From nobody Mon Apr  7 11:24:36 2014
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From: Ines  Robles <mariainesrobles@googlemail.com>
To: roll <roll@ietf.org>
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Subject: [Roll] What makes for a quality RFC? - Slides -
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Hi,

Please find in this link

*http://www.ietf.org/proceedings/89/slides/slides-89-mpls-15.pptx
<http://www.ietf.org/proceedings/89/slides/slides-89-mpls-15.pptx>*

a very interesting presentation about, what makes for a quality RFC by
Adrian.

Thank you Adrian for this presentation :-).

Kind Regards,

Michael & Ines.

--047d7b5d84efc37b5104f677f997
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<div dir=3D"ltr">Hi,<div><br></div><div>Please find in this link</div><div>=
<br></div><div><b style=3D"font-weight:normal"><a href=3D"http://www.ietf.o=
rg/proceedings/89/slides/slides-89-mpls-15.pptx" style=3D"text-decoration:n=
one" target=3D"_blank"><span style=3D"font-size:13px;font-family:Arial;text=
-decoration:underline;vertical-align:baseline;white-space:pre-wrap">http://=
www.ietf.org/proceedings/89/slides/slides-89-mpls-15.pptx</span></a></b><br=
>

</div><div><br></div><div>a very interesting presentation about, what makes=
 for a quality RFC by Adrian.</div><div><br></div><div style>Thank you Adri=
an for this presentation :-).</div><div><br></div><div style>Kind Regards,<=
br>
</div><div><br></div><div>
Michael &amp; Ines.=A0</div><div><br></div><div><br></div></div>

--047d7b5d84efc37b5104f677f997--


From nobody Tue Apr  8 05:02:23 2014
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Cc: roll@ietf.org
Subject: [Roll] I-D Action: draft-ietf-roll-admin-local-policy-00.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Routing Over Low power and Lossy networks Working Group of the IETF.

        Title           : MPL forwarder policy for multicast with admin-local scope
        Authors         : Peter van der Stok
                          Robert Cragie
	Filename        : draft-ietf-roll-admin-local-policy-00.txt
	Pages           : 11
	Date            : 2014-04-08

Abstract:
   The purpose of this document is to specify an automated policy for
   the routing of MPL multicast messages with admin-local scope in a
   border router.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-admin-local-policy/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-roll-admin-local-policy-00


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Tue Apr  8 05:21:54 2014
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From: Ines  Robles <mariainesrobles@googlemail.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Subject: Re: [Roll] WG Call for Adoption: draft-vanderstok-roll-admin-local-policy
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--20cf307d066c88a4aa04f68706d1
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Hi,

The document has been adopted.

Thanks for your comments,

Best,

Michael & Ines


2014-03-24 16:04 GMT-03:00 Gillmore, Matthew <Matthew.Gillmore@itron.com>:

>  Hi,
>
>
>
> I agree with adopting this draft.
>
>
>
> Thanks
>
>  MKG
>
>
>
> [image: Description:
> http://marketing.itron.com/campaign/ribbon_logo_rgb_81h.jpg]<https://www.itron.com/>
>
> *Matthew Gillmore*
>
> Strategic Standards Architect, Office of the CTO
> Mobile: +1.517.745.7350
> Knowledge to Shape Your Future
>
> [image: Description:
> http://marketing.itron.com/campaign/social_media_icon_twitter29.jpg]<http://twitter.com/#!/itron>
> [image: Description:
> http://marketing.itron.com/campaign/social_media_icon_facebook29.jpg]<http://www.facebook.com/ItronInc>
> [image: Description:
> http://marketing.itron.com/campaign/social_media_icon_linkedin29.jpg]<http://www.linkedin.com/company/7550?trk=null>
> [image: Description:
> http://marketing.itron.com/campaign/social_media_icon_youtube29.jpg]<http://www.youtube.com/itronsmartmedia>
>
>
>
>
>
> *From:* Roll [mailto:roll-bounces@ietf.org] *On Behalf Of *Ines Robles
> *Sent:* Thursday, March 20, 2014 1:20 PM
> *To:* roll
> *Cc:* Michael Richardson
> *Subject:* [Roll] WG Call for Adoption:
> draft-vanderstok-roll-admin-local-policy
>
>
>
> Hi,
>
>
>
> We start a WG Adoption Call for
> draft-vanderstok-roll-admin-local-policy-00: MPL forwarder policy for
> multicast with admin-local scope
>
>
>
> URL:[
> http://datatracker.ietf.org/doc/draft-vanderstok-roll-admin-local-policy
>  ]
>
>
>
> Please read the current revision and state you opinion either for or
> against adoption in the mailing list.
>
>
>
> This call for adoption ends, 3th April 2014.
>
>
>
> Thank you in advance,
>
>
>
> Kind Regards
>
>
>
> Michael & Ines
>
> _______________________________________________
> Roll mailing list
> Roll@ietf.org
> https://www.ietf.org/mailman/listinfo/roll
>
>

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<div dir=3D"ltr">Hi,<div><br></div><div style>The document has been adopted=
.</div><div style><br></div><div style>Thanks for your comments,</div><div =
style><br></div><div style>Best,</div><div style><br></div><div style>Micha=
el &amp; Ines</div>
<div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">2014-03-24 16=
:04 GMT-03:00 Gillmore, Matthew <span dir=3D"ltr">&lt;<a href=3D"mailto:Mat=
thew.Gillmore@itron.com" target=3D"_blank">Matthew.Gillmore@itron.com</a>&g=
t;</span>:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">





<div lang=3D"EN-US" link=3D"blue" vlink=3D"purple">
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d">Hi,<u></u><u></u></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d">I agree with adopting thi=
s draft.<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d">Thanks<u></u><u></u></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d">MKG<u></u><u></u></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p>
<table border=3D"0" cellspacing=3D"0" cellpadding=3D"0">
<tbody>
<tr style=3D"height:75.0pt">
<td valign=3D"top" style=3D"padding:0in 0in 0in 0in;height:75.0pt">
<p class=3D"MsoNormal"><a href=3D"https://www.itron.com/" target=3D"_blank"=
><span style=3D"text-decoration:none"><img border=3D"0" width=3D"72" height=
=3D"81" src=3D"cid:image001.jpg@01CF4772.4CCED160" alt=3D"Description: http=
://marketing.itron.com/campaign/ribbon_logo_rgb_81h.jpg"></span></a><span s=
tyle=3D"color:#1f497d"><u></u><u></u></span></p>

</td>
</tr>
<tr>
<td valign=3D"bottom" style=3D"padding:0in 0in 0in 0in"></td>
</tr>
<tr>
<td valign=3D"bottom" style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.5pt;font-family:&quot=
;Arial&quot;,&quot;sans-serif&quot;">Matthew Gillmore<u></u><u></u></span><=
/b></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ar=
ial&quot;,&quot;sans-serif&quot;">Strategic Standards Architect, Office of =
the CTO<br>
Mobile: +1.517.745.7350<br>
Knowledge to Shape Your Future</span><span style=3D"font-size:10.5pt;color:=
#1f497d"><u></u><u></u></span></p>
</td>
</tr>
<tr>
<td valign=3D"bottom" style=3D"padding:0in 0in 0in 0in">
<p class=3D"MsoNormal"><a href=3D"http://twitter.com/#!/itron" target=3D"_b=
lank"><span style=3D"text-decoration:none"><img border=3D"0" width=3D"24" h=
eight=3D"29" src=3D"cid:image002.jpg@01CF4772.4CCED160" alt=3D"Description:=
 http://marketing.itron.com/campaign/social_media_icon_twitter29.jpg"></spa=
n></a><span style=3D"color:#1f497d">=A0
</span><a href=3D"http://www.facebook.com/ItronInc" target=3D"_blank"><span=
 style=3D"text-decoration:none"><img border=3D"0" width=3D"24" height=3D"29=
" src=3D"cid:image003.jpg@01CF4772.4CCED160" alt=3D"Description: http://mar=
keting.itron.com/campaign/social_media_icon_facebook29.jpg"></span></a><spa=
n style=3D"color:#1f497d">=A0
</span><a href=3D"http://www.linkedin.com/company/7550?trk=3Dnull" target=
=3D"_blank"><span style=3D"text-decoration:none"><img border=3D"0" width=3D=
"24" height=3D"29" src=3D"cid:image004.jpg@01CF4772.4CCED160" alt=3D"Descri=
ption: http://marketing.itron.com/campaign/social_media_icon_linkedin29.jpg=
"></span></a><span style=3D"color:#1f497d">=A0
</span><a href=3D"http://www.youtube.com/itronsmartmedia" target=3D"_blank"=
><span style=3D"text-decoration:none"><img border=3D"0" width=3D"24" height=
=3D"29" src=3D"cid:image005.jpg@01CF4772.4CCED160" alt=3D"Description: http=
://marketing.itron.com/campaign/social_media_icon_youtube29.jpg"></span></a=
><span style=3D"color:#1f497d"><u></u><u></u></span></p>

</td>
</tr>
</tbody>
</table>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Roll [ma=
ilto:<a href=3D"mailto:roll-bounces@ietf.org" target=3D"_blank">roll-bounce=
s@ietf.org</a>]
<b>On Behalf Of </b>Ines Robles<br>
<b>Sent:</b> Thursday, March 20, 2014 1:20 PM<br>
<b>To:</b> roll<br>
<b>Cc:</b> Michael Richardson<br>
<b>Subject:</b> [Roll] WG Call for Adoption: draft-vanderstok-roll-admin-lo=
cal-policy<u></u><u></u></span></p><div><div class=3D"h5">
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
<div>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Hi,</s=
pan><u></u><u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<u></u>=A0<u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">We sta=
rt a WG Adoption Call for draft-vanderstok-roll-admin-local-policy-00: MPL =
forwarder policy for multicast with admin-local scope=A0</span><u></u><u></=
u></p>

<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<u></u>=A0<u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">URL:[ =
<a href=3D"http://datatracker.ietf.org/doc/draft-vanderstok-roll-admin-loca=
l-policy" target=3D"_blank">
http://datatracker.ietf.org/doc/draft-vanderstok-roll-admin-local-policy</a=
>=A0]=A0</span><u></u><u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<u></u>=A0<u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Please=
 read the current revision and state you opinion either for or against adop=
tion in the mailing list.</span><u></u><u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<u></u>=A0<u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">This c=
all for adoption ends, 3th April 2014.</span><u></u><u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<u></u>=A0<u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Thank =
you in advance,</span><u></u><u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<u></u>=A0<u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Kind R=
egards</span><u></u><u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<u></u>=A0<u></u></p>
<p style=3D"margin-right:0in;margin-bottom:0in;margin-left:1.0pt;margin-bot=
tom:.0001pt">
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Michae=
l &amp; Ines</span><u></u><u></u></p>
</div>
</div></div></div>
</div>

<br>_______________________________________________<br>
Roll mailing list<br>
<a href=3D"mailto:Roll@ietf.org">Roll@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/roll" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/roll</a><br>
<br></blockquote></div><br></div></div>

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From nobody Wed Apr  9 00:27:00 2014
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Date: Wed, 09 Apr 2014 09:26:53 +0200
From: peter van der Stok <stokcons@xs4all.nl>
To: roll@ietf.org
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Subject: Re: [Roll] I-D Action: draft-ietf-roll-admin-local-policy-00.txt
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In this new draft the following points have been changed:
- terminology and description text have been improved.
- The concept of a MPL4 router is introduced which automatically finds 
all interfaces belonging to the zone in which MPL scope 4 messages are 
distributed.

Looking forward to your reactions,

Peter


internet-drafts@ietf.org schreef op 2014-04-08 14:02:
> A New Internet-Draft is available from the on-line Internet-Drafts 
> directories.
>  This draft is a work item of the Routing Over Low power and Lossy
> networks Working Group of the IETF.
> 
>         Title           : MPL forwarder policy for multicast with
> admin-local scope
>         Authors         : Peter van der Stok
>                           Robert Cragie
> 	Filename        : draft-ietf-roll-admin-local-policy-00.txt
> 	Pages           : 11
> 	Date            : 2014-04-08
> 
> Abstract:
>    The purpose of this document is to specify an automated policy for
>    the routing of MPL multicast messages with admin-local scope in a
>    border router.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-roll-admin-local-policy/
> 
> There's also a htmlized version available at:
> http://tools.ietf.org/html/draft-ietf-roll-admin-local-policy-00
> 
> 
> Please note that it may take a couple of minutes from the time of 
> submission
> until the htmlized version and diff are available at tools.ietf.org.
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
> _______________________________________________
> Roll mailing list
> Roll@ietf.org
> https://www.ietf.org/mailman/listinfo/roll


From nobody Mon Apr 14 11:28:19 2014
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Subject: [Roll] I-D Action: draft-ietf-roll-trickle-mcast-09.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Routing Over Low power and Lossy networks Working Group of the IETF.

        Title           : Multicast Protocol for Low power and Lossy Networks (MPL)
        Authors         : Jonathan W. Hui
                          Richard Kelsey
	Filename        : draft-ietf-roll-trickle-mcast-09.txt
	Pages           : 25
	Date            : 2014-04-14

Abstract:
   This document specifies the Multicast Protocol for Low power and
   Lossy Networks (MPL) that provides IPv6 multicast forwarding in
   constrained networks.  MPL avoids the need to construct or maintain
   any multicast forwarding topology, disseminating messages to all MPL
   Forwarders in an MPL Domain.  MPL uses the Trickle algorithm to
   manage message transmissions for both control and data-plane
   messages.  Different Trickle parameter configurations allow MPL to
   trade between dissemination latency and transmission efficiency.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-roll-trickle-mcast/

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-roll-trickle-mcast-09

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-roll-trickle-mcast-09


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Tue Apr 15 07:25:43 2014
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: "6tisch@ietf.org" <6tisch@ietf.org>, roll <roll@ietf.org>
Thread-Topic: Support of flow label to carry the RPL information in data packets
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--_000_E045AECD98228444A58C61C200AE1BD8425ECDA6xmbrcdx01ciscoc_
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Dear all:

As some of you remember, the RPL specification has changed over time WRT to=
 the location of the information that RPL places in the data packets. We st=
arted with the flow label but these were the days when what became RFC 6437=
 was being defined at 6MAN, so we shied away and defined the HbH technique =
that is now specified as RFC 6553.

We'll note that the RPL option defined in RFC 6553 takes 6 octets, and with=
 the HbH hdr we end up with 8 extra octets. An extra IP-in-IP encapsulation=
 is required on top of that unless both endpoints are in the same RPL domai=
n. All this overhead may be acceptable when power is available and the PHY =
allows for larger frames, but in traditional battery-operated 15.4 with ~ 8=
0 bytes usable per frame, my experience from integrating 6LoWPAN HC with IS=
A100.11a says that all these extra bytes will be on the way of the 6TiSCH a=
doption.

Still, both RFC 6550 and RFC 6552 are designed to allow for an alternate te=
chnique and in particular for the use of the flow label, as is elaborated i=
n http://tools.ietf.org/html/draft-thubert-roll-flow-label-02 . Using the f=
low label reduces the cost of the RPL information dramatically, down to a l=
evel that is probably acceptable for the target SDOs.

So my plan for now is to move the flow label draft to 6MAN and prepare for =
a hot season, and I'm looking for support from both 6TiSCH and ROLL to back=
 me up from the start.  Yes, you can help!

Please +1 if you agree we need this work to happen, and/or provide any sugg=
estion.

Cheers,

Pascal

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<p class=3D"MsoNormal">Dear all:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">As some of you remember, the RPL specification has c=
hanged over time WRT to the location of the information that RPL places in =
the data packets. We started with the flow label but these were the days wh=
en what became RFC 6437 was being
 defined at 6MAN, so we shied away and defined the HbH technique that is no=
w specified as RFC 6553.
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">We&#8217;ll note that the RPL option defined in RFC =
6553 takes 6 octets, and with the HbH hdr we end up with 8 extra octets. An=
 extra IP-in-IP encapsulation is required on top of that unless both endpoi=
nts are in the same RPL domain. All this
 overhead may be acceptable when power is available and the PHY allows for =
larger frames, but in traditional battery-operated 15.4 with ~ 80 bytes usa=
ble per frame, my experience from integrating 6LoWPAN HC with ISA100.11a sa=
ys that all these extra bytes will
 be on the way of the 6TiSCH adoption. <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Still, both RFC 6550 and RFC 6552 are designed to al=
low for an alternate technique and in particular for the use of the flow la=
bel, as is elaborated in
<a href=3D"http://tools.ietf.org/html/draft-thubert-roll-flow-label-02">htt=
p://tools.ietf.org/html/draft-thubert-roll-flow-label-02</a> . Using the fl=
ow label reduces the cost of the RPL information dramatically, down to a le=
vel that is probably acceptable for
 the target SDOs.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">So my plan for now is to move the flow label draft t=
o 6MAN and prepare for a hot season, and I&#8217;m looking for support from=
 both 6TiSCH and ROLL to back me up from the start. &nbsp;Yes, you can help=
!
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Please &#43;1 if you agree we need this work to happ=
en, and/or provide any suggestion.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Cheers,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Pascal<o:p></o:p></p>
</div>
</body>
</html>

--_000_E045AECD98228444A58C61C200AE1BD8425ECDA6xmbrcdx01ciscoc_--


From nobody Tue Apr 15 07:31:42 2014
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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: "Pascal Thubert \(pthubert\)" <pthubert@cisco.com>
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Subject: Re: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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--=-=-=


Pascal Thubert (pthubert) <pthubert@cisco.com> wrote:
    > Still, both RFC 6550 and RFC 6552 are designed to allow for an alternate
    > technique and in particular for the use of the flow label, as is elaborated in
    > http://tools.ietf.org/html/draft-thubert-roll-flow-label-02 . Using the flow
    > label reduces the cost of the RPL information dramatically, down to a level
    > that is probably acceptable for the target SDOs.

    > So my plan for now is to move the flow label draft to 6MAN and prepare for a
    > hot season, and I?m looking for support from both 6TiSCH and ROLL to back me up
    > from the start.  Yes, you can help!

    > Please +1 if you agree we need this work to happen, and/or provide any
    > suggestion.

I think it's worthwhile to re-open the discussion at 6man.

--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-




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--=-=-=--


From nobody Tue Apr 15 08:25:56 2014
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Subject: Re: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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<html>
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  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    +1 for sure. The flow label has always been the preferable method
    for me, and I suspect for others with knowledge of how it is used in
    ISA100.11a.<br>
    ===<br>
    <div class="moz-cite-prefix">On 2014.04.15 07:25, Pascal Thubert
      (pthubert) wrote:<br>
    </div>
    <blockquote
cite="mid:E045AECD98228444A58C61C200AE1BD8425ECDA6@xmb-rcd-x01.cisco.com"
      type="cite">
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      <div class="WordSection1">
        <p class="MsoNormal">Dear all:<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">As some of you remember, the RPL
          specification has changed over time WRT to the location of the
          information that RPL places in the data packets. We started
          with the flow label but these were the days when what became
          RFC 6437 was being defined at 6MAN, so we shied away and
          defined the HbH technique that is now specified as RFC 6553.
          <o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">We’ll note that the RPL option defined in
          RFC 6553 takes 6 octets, and with the HbH hdr we end up with 8
          extra octets. An extra IP-in-IP encapsulation is required on
          top of that unless both endpoints are in the same RPL domain.
          All this overhead may be acceptable when power is available
          and the PHY allows for larger frames, but in traditional
          battery-operated 15.4 with ~ 80 bytes usable per frame, my
          experience from integrating 6LoWPAN HC with ISA100.11a says
          that all these extra bytes will be on the way of the 6TiSCH
          adoption. <o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Still, both RFC 6550 and RFC 6552 are
          designed to allow for an alternate technique and in particular
          for the use of the flow label, as is elaborated in
          <a moz-do-not-send="true"
            href="http://tools.ietf.org/html/draft-thubert-roll-flow-label-02">http://tools.ietf.org/html/draft-thubert-roll-flow-label-02</a>
          . Using the flow label reduces the cost of the RPL information
          dramatically, down to a level that is probably acceptable for
          the target SDOs.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">So my plan for now is to move the flow
          label draft to 6MAN and prepare for a hot season, and I’m
          looking for support from both 6TiSCH and ROLL to back me up
          from the start.  Yes, you can help!
          <o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Please +1 if you agree we need this work to
          happen, and/or provide any suggestion.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Cheers,<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Pascal<o:p></o:p></p>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
6tisch mailing list
<a class="moz-txt-link-abbreviated" href="mailto:6tisch@ietf.org">6tisch@ietf.org</a>
<a class="moz-txt-link-freetext" href="https://www.ietf.org/mailman/listinfo/6tisch">https://www.ietf.org/mailman/listinfo/6tisch</a>
</pre>
    </blockquote>
    <br>
  </body>
</html>


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From: "Prof. Diego Dujovne" <diego.dujovne@mail.udp.cl>
To: Tom Phinney <tom.phinney@cox.net>
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Cc: "6tisch@ietf.org" <6tisch@ietf.org>, roll <roll@ietf.org>
Subject: Re: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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+1 !


2014-04-15 12:25 GMT-03:00 Tom Phinney <tom.phinney@cox.net>:

>  +1 for sure. The flow label has always been the preferable method for me=
,
> and I suspect for others with knowledge of how it is used in ISA100.11a.
> =3D=3D=3D
>
> On 2014.04.15 07:25, Pascal Thubert (pthubert) wrote:
>
>  Dear all:
>
>
>
> As some of you remember, the RPL specification has changed over time WRT
> to the location of the information that RPL places in the data packets. W=
e
> started with the flow label but these were the days when what became RFC
> 6437 was being defined at 6MAN, so we shied away and defined the HbH
> technique that is now specified as RFC 6553.
>
>
>
> We=E2=80=99ll note that the RPL option defined in RFC 6553 takes 6 octets=
, and
> with the HbH hdr we end up with 8 extra octets. An extra IP-in-IP
> encapsulation is required on top of that unless both endpoints are in the
> same RPL domain. All this overhead may be acceptable when power is
> available and the PHY allows for larger frames, but in traditional
> battery-operated 15.4 with ~ 80 bytes usable per frame, my experience fro=
m
> integrating 6LoWPAN HC with ISA100.11a says that all these extra bytes wi=
ll
> be on the way of the 6TiSCH adoption.
>
>
>
> Still, both RFC 6550 and RFC 6552 are designed to allow for an alternate
> technique and in particular for the use of the flow label, as is elaborat=
ed
> in http://tools.ietf.org/html/draft-thubert-roll-flow-label-02 . Using
> the flow label reduces the cost of the RPL information dramatically, down
> to a level that is probably acceptable for the target SDOs.
>
>
>
> So my plan for now is to move the flow label draft to 6MAN and prepare fo=
r
> a hot season, and I=E2=80=99m looking for support from both 6TiSCH and RO=
LL to back
> me up from the start.  Yes, you can help!
>
>
>
> Please +1 if you agree we need this work to happen, and/or provide any
> suggestion.
>
>
>
> Cheers,
>
>
>
> Pascal
>
>
> _______________________________________________
> 6tisch mailing list6tisch@ietf.orghttps://www.ietf.org/mailman/listinfo/6=
tisch
>
>
>
> _______________________________________________
> 6tisch mailing list
> 6tisch@ietf.org
> https://www.ietf.org/mailman/listinfo/6tisch
>
>


--=20
DIEGO DUJOVNE
Acad=C3=A9mico Escuela de Ingenier=C3=ADa en Inform=C3=A1tica y Telecomunic=
aciones
Facultad de Ingenier=C3=ADa UDP
www.ingenieria.udp.cl
(56 2) 676 8125

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<div dir=3D"ltr">+1 !<br></div><div class=3D"gmail_extra"><br><br><div clas=
s=3D"gmail_quote">2014-04-15 12:25 GMT-03:00 Tom Phinney <span dir=3D"ltr">=
&lt;<a href=3D"mailto:tom.phinney@cox.net" target=3D"_blank">tom.phinney@co=
x.net</a>&gt;</span>:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
 =20
   =20
 =20
  <div bgcolor=3D"#FFFFFF" text=3D"#000000">
    +1 for sure. The flow label has always been the preferable method
    for me, and I suspect for others with knowledge of how it is used in
    ISA100.11a.<br>
    =3D=3D=3D<div class=3D""><br>
    <div>On 2014.04.15 07:25, Pascal Thubert
      (pthubert) wrote:<br>
    </div>
    </div><blockquote type=3D"cite">
     =20
     =20
     =20
      <div><div class=3D"">
        <p class=3D"MsoNormal">Dear all:<u></u><u></u></p>
        <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
        <p class=3D"MsoNormal">As some of you remember, the RPL
          specification has changed over time WRT to the location of the
          information that RPL places in the data packets. We started
          with the flow label but these were the days when what became
          RFC 6437 was being defined at 6MAN, so we shied away and
          defined the HbH technique that is now specified as RFC 6553.
          <u></u><u></u></p>
        <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
        <p class=3D"MsoNormal">We=E2=80=99ll note that the RPL option defin=
ed in
          RFC 6553 takes 6 octets, and with the HbH hdr we end up with 8
          extra octets. An extra IP-in-IP encapsulation is required on
          top of that unless both endpoints are in the same RPL domain.
          All this overhead may be acceptable when power is available
          and the PHY allows for larger frames, but in traditional
          battery-operated 15.4 with ~ 80 bytes usable per frame, my
          experience from integrating 6LoWPAN HC with ISA100.11a says
          that all these extra bytes will be on the way of the 6TiSCH
          adoption. <u></u><u></u></p>
        <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
        </div><p class=3D"MsoNormal">Still, both RFC 6550 and RFC 6552 are
          designed to allow for an alternate technique and in particular
          for the use of the flow label, as is elaborated in
          <a href=3D"http://tools.ietf.org/html/draft-thubert-roll-flow-lab=
el-02" target=3D"_blank">http://tools.ietf.org/html/draft-thubert-roll-flow=
-label-02</a>
          . Using the flow label reduces the cost of the RPL information
          dramatically, down to a level that is probably acceptable for
          the target SDOs.<u></u><u></u></p>
        <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
        <p class=3D"MsoNormal">So my plan for now is to move the flow
          label draft to 6MAN and prepare for a hot season, and I=E2=80=99m
          looking for support from both 6TiSCH and ROLL to back me up
          from the start. =C2=A0Yes, you can help!
          <u></u><u></u></p><div class=3D"">
        <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
        <p class=3D"MsoNormal">Please +1 if you agree we need this work to
          happen, and/or provide any suggestion.<u></u><u></u></p>
        <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
        </div><p class=3D"MsoNormal">Cheers,<u></u><u></u></p>
        <p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
        <p class=3D"MsoNormal">Pascal<u></u><u></u></p>
      </div>
      <br>
      <fieldset></fieldset>
      <br>
      <pre>_______________________________________________
6tisch mailing list
<a href=3D"mailto:6tisch@ietf.org" target=3D"_blank">6tisch@ietf.org</a>
<a href=3D"https://www.ietf.org/mailman/listinfo/6tisch" target=3D"_blank">=
https://www.ietf.org/mailman/listinfo/6tisch</a>
</pre>
    </blockquote>
    <br>
  </div>


<br>_______________________________________________<br>
6tisch mailing list<br>
<a href=3D"mailto:6tisch@ietf.org">6tisch@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/6tisch" target=3D"_blank">=
https://www.ietf.org/mailman/listinfo/6tisch</a><br>
<br></blockquote></div><br><br clear=3D"all"><br>-- <br>DIEGO DUJOVNE<br>Ac=
ad=C3=A9mico Escuela de Ingenier=C3=ADa en Inform=C3=A1tica y Telecomunicac=
iones<br>Facultad de Ingenier=C3=ADa UDP<br><a href=3D"http://www.ingenieri=
a.udp.cl" target=3D"_blank">www.ingenieria.udp.cl</a><br>
(56 2) 676 8125<br>
</div>

--e89a8f3ba5b5f8025104f7182d45--


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Subject: Re: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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+1=0A=0AQin=0AOn Wednesday, April 16, 2014 1:47 AM, Prof. Diego Dujovne <di=
ego.dujovne@mail.udp.cl> wrote:=0A =0A+1 !=0A=0A=0A=0A=0A2014-04-15 12:25 G=
MT-03:00 Tom Phinney <tom.phinney@cox.net>:=0A=0A+1 for sure. The flow labe=
l has always been the preferable method for me, and I suspect for others wi=
th knowledge of how it is used in ISA100.11a.=0A>=3D=3D=3D=0A>=0A>=0A>On 20=
14.04.15 07:25, Pascal Thubert (pthubert) wrote:=0A>=0A>Dear all:=0A>>=C2=
=A0=0A>>As some of you remember, the RPL specification has changed over tim=
e WRT to the location of the information that RPL places in the data packet=
s. We started with the flow label but these were the days when what became =
RFC 6437 was being defined at 6MAN, so we shied away and defined the HbH te=
chnique that is now specified as RFC 6553. =0A>>=C2=A0=0A>>We=E2=80=99ll no=
te that the RPL option defined in RFC 6553 takes 6 octets, and with the HbH=
 hdr we end up with 8 extra octets. An extra IP-in-IP encapsulation is requ=
ired on top of that unless both endpoints are in the same RPL domain. All t=
his overhead may be acceptable when power is available and the PHY allows f=
or larger frames, but in traditional battery-operated 15.4 with ~ 80 bytes =
usable per frame, my experience from integrating 6LoWPAN HC with ISA100.11a=
 says that all these extra bytes will be on the way of the 6TiSCH adoption.=
 =0A>>=C2=A0=0A>>Still, both RFC 6550 and RFC 6552 are designed to allow fo=
r an alternate technique and in particular for the use of the flow label, a=
s is elaborated in http://tools.ietf.org/html/draft-thubert-roll-flow-label=
-02 . Using the flow label reduces the cost of the RPL information dramatic=
ally, down to a level that is probably acceptable for the target SDOs.=0A>>=
=C2=A0=0A>>So my plan for now is to move the flow label draft to 6MAN and p=
repare for a hot season, and I=E2=80=99m looking for support from both 6TiS=
CH and ROLL to back me up from the start. =C2=A0Yes, you can help! =0A>>=C2=
=A0=0A>>Please +1 if you agree we need this work to happen, and/or provide =
any suggestion.=0A>>=C2=A0=0A>>Cheers,=0A>>=C2=A0=0A>>Pascal=0A>>=0A>>=0A>>=
_______________________________________________=0A6tisch mailing list 6tisc=
h@ietf.org https://www.ietf.org/mailman/listinfo/6tisch =0A>=0A>___________=
____________________________________=0A>6tisch mailing list=0A>6tisch@ietf.=
org=0A>https://www.ietf.org/mailman/listinfo/6tisch=0A>=0A>=0A=0A=0A-- =0AD=
IEGO DUJOVNE=0AAcad=C3=A9mico Escuela de Ingenier=C3=ADa en Inform=C3=A1tic=
a y Telecomunicaciones=0AFacultad de Ingenier=C3=ADa UDP=0Awww.ingenieria.u=
dp.cl=0A(56 2) 676 8125=0A=0A=0A___________________________________________=
____=0A6tisch mailing list=0A6tisch@ietf.org=0Ahttps://www.ietf.org/mailman=
/listinfo/6tisch
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:ve=
rdana, helvetica, sans-serif;font-size:10pt"><div><span>+1</span></div><div=
 style=3D"color: rgb(0, 0, 0); font-size: 13px; font-family: verdana, helve=
tica, sans-serif; background-color: transparent; font-style: normal;"><span=
><br></span></div><div style=3D"color: rgb(0, 0, 0); font-size: 13px; font-=
family: verdana, helvetica, sans-serif; background-color: transparent; font=
-style: normal;"><span>Qin</span></div><div class=3D"yahoo_quoted" style=3D=
"display: block;"> <div style=3D"font-family: verdana, helvetica, sans-seri=
f; font-size: 10pt;"> <div style=3D"font-family: HelveticaNeue, 'Helvetica =
Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <d=
iv dir=3D"ltr"> <font size=3D"2" face=3D"Arial"> On Wednesday, April 16, 20=
14 1:47 AM, Prof. Diego Dujovne &lt;diego.dujovne@mail.udp.cl&gt; wrote:<br=
> </font> </div>  <div class=3D"y_msg_container"><div id=3D"yiv3647461059">=
<div><div
 dir=3D"ltr">+1 !<br clear=3D"none"></div><div class=3D"yiv3647461059gmail_=
extra"><br clear=3D"none"><br clear=3D"none"><div class=3D"yiv3647461059gma=
il_quote">2014-04-15 12:25 GMT-03:00 Tom Phinney <span dir=3D"ltr">&lt;<a r=
el=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:tom.phinney@cox.net" targe=
t=3D"_blank" href=3D"mailto:tom.phinney@cox.net">tom.phinney@cox.net</a>&gt=
;</span>:<br clear=3D"none">=0A<blockquote class=3D"yiv3647461059gmail_quot=
e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"=
>=0A  =0A    =0A  =0A  <div class=3D"yiv3647461059yqt1940788080" id=3D"yiv3=
647461059yqt80098"><div>=0A    +1 for sure. The flow label has always been =
the preferable method=0A    for me, and I suspect for others with knowledge=
 of how it is used in=0A    ISA100.11a.<br clear=3D"none">=0A    =3D=3D=3D<=
div class=3D"yiv3647461059"><br clear=3D"none">=0A    <div>On 2014.04.15 07=
:25, Pascal Thubert=0A      (pthubert) wrote:<br clear=3D"none">=0A    </di=
v>=0A    </div><blockquote type=3D"cite">=0A      =0A      =0A      =0A    =
  <div><div class=3D"yiv3647461059">=0A        <div class=3D"yiv3647461059M=
soNormal">Dear all:<u></u><u></u></div>=0A        <div class=3D"yiv36474610=
59MsoNormal"><u></u>&nbsp;<u></u></div>=0A        <div class=3D"yiv36474610=
59MsoNormal">As some of you remember, the RPL=0A          specification has=
 changed over time WRT to the location of the=0A          information that =
RPL places in the data packets. We started=0A          with the flow label =
but these were the days when what became=0A          RFC 6437 was being def=
ined at 6MAN, so we shied away and=0A          defined the HbH technique th=
at is now specified as RFC 6553.=0A          <u></u><u></u></div>=0A       =
 <div class=3D"yiv3647461059MsoNormal"><u></u>&nbsp;<u></u></div>=0A       =
 <div class=3D"yiv3647461059MsoNormal">We=E2=80=99ll note that the RPL opti=
on defined in=0A          RFC 6553 takes 6 octets, and with the HbH hdr we =
end up with 8=0A          extra octets. An extra IP-in-IP encapsulation is =
required on=0A          top of that unless both endpoints are in the same R=
PL domain.=0A          All this overhead may be acceptable when power is av=
ailable=0A          and the PHY allows for larger frames, but in traditiona=
l=0A          battery-operated 15.4 with ~ 80 bytes usable per frame, my=0A=
          experience from integrating 6LoWPAN HC with ISA100.11a says=0A   =
       that all these extra bytes will be on the way of the 6TiSCH=0A      =
    adoption. <u></u><u></u></div>=0A        <div class=3D"yiv3647461059Mso=
Normal"><u></u>&nbsp;<u></u></div>=0A        </div><div class=3D"yiv3647461=
059MsoNormal">Still, both RFC 6550 and RFC 6552 are=0A          designed to=
 allow for an alternate technique and in particular=0A          for the use=
 of the flow label, as is elaborated in=0A          <a rel=3D"nofollow" sha=
pe=3D"rect" target=3D"_blank" href=3D"http://tools.ietf.org/html/draft-thub=
ert-roll-flow-label-02">http://tools.ietf.org/html/draft-thubert-roll-flow-=
label-02</a>=0A          . Using the flow label reduces the cost of the RPL=
 information=0A          dramatically, down to a level that is probably acc=
eptable for=0A          the target SDOs.<u></u><u></u></div>=0A        <div=
 class=3D"yiv3647461059MsoNormal"><u></u>&nbsp;<u></u></div>=0A        <div=
 class=3D"yiv3647461059MsoNormal">So my plan for now is to move the flow=0A=
          label draft to 6MAN and prepare for a hot season, and I=E2=80=99m=
=0A          looking for support from both 6TiSCH and ROLL to back me up=0A=
          from the start. &nbsp;Yes, you can help!=0A          <u></u><u></=
u></div><div class=3D"yiv3647461059">=0A        <div class=3D"yiv3647461059=
MsoNormal"><u></u>&nbsp;<u></u></div>=0A        <div class=3D"yiv3647461059=
MsoNormal">Please +1 if you agree we need this work to=0A          happen, =
and/or provide any suggestion.<u></u><u></u></div>=0A        <div class=3D"=
yiv3647461059MsoNormal"><u></u>&nbsp;<u></u></div>=0A        </div><div cla=
ss=3D"yiv3647461059MsoNormal">Cheers,<u></u><u></u></div>=0A        <div cl=
ass=3D"yiv3647461059MsoNormal"><u></u>&nbsp;<u></u></div>=0A        <div cl=
ass=3D"yiv3647461059MsoNormal">Pascal<u></u><u></u></div>=0A      </div>=0A=
      <br clear=3D"none">=0A      <fieldset></fieldset>=0A      <br clear=
=3D"none">=0A      <pre>_______________________________________________=0A6=
tisch mailing list=0A<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:6=
tisch@ietf.org" target=3D"_blank" href=3D"mailto:6tisch@ietf.org">6tisch@ie=
tf.org</a>=0A<a rel=3D"nofollow" shape=3D"rect" target=3D"_blank" href=3D"h=
ttps://www.ietf.org/mailman/listinfo/6tisch">https://www.ietf.org/mailman/l=
istinfo/6tisch</a>=0A</pre>=0A    </blockquote>=0A    <br clear=3D"none">=
=0A  </div></div>=0A=0A=0A<br clear=3D"none">______________________________=
_________________<br clear=3D"none">=0A6tisch mailing list<br clear=3D"none=
">=0A<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:6tisch@ietf.org" =
target=3D"_blank" href=3D"mailto:6tisch@ietf.org">6tisch@ietf.org</a><br cl=
ear=3D"none">=0A<a rel=3D"nofollow" shape=3D"rect" target=3D"_blank" href=
=3D"https://www.ietf.org/mailman/listinfo/6tisch">https://www.ietf.org/mail=
man/listinfo/6tisch</a><br clear=3D"none">=0A<br clear=3D"none"></blockquot=
e></div><br clear=3D"none"><br clear=3D"all"><br clear=3D"none">-- <br clea=
r=3D"none">DIEGO DUJOVNE<br clear=3D"none">Acad=C3=A9mico Escuela de Ingeni=
er=C3=ADa en Inform=C3=A1tica y Telecomunicaciones<br clear=3D"none">Facult=
ad de Ingenier=C3=ADa UDP<br clear=3D"none"><a rel=3D"nofollow" shape=3D"re=
ct" target=3D"_blank" href=3D"http://www.ingenieria.udp.cl/">www.ingenieria=
.udp.cl</a><br clear=3D"none">=0A(56 2) 676 8125<br clear=3D"none">=0A</div=
></div></div><br><div class=3D"yqt1940788080" id=3D"yqt39452">_____________=
__________________________________<br clear=3D"none">6tisch mailing list<br=
 clear=3D"none"><a shape=3D"rect" ymailto=3D"mailto:6tisch@ietf.org" href=
=3D"mailto:6tisch@ietf.org">6tisch@ietf.org</a><br clear=3D"none"><a shape=
=3D"rect" href=3D"https://www.ietf.org/mailman/listinfo/6tisch" target=3D"_=
blank">https://www.ietf.org/mailman/listinfo/6tisch</a><br clear=3D"none"><=
/div><br><br></div>  </div> </div>  </div> </div></body></html>
--1265908415-178116490-1397607559=:92815--


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From: Ines  Robles <mariainesrobles@googlemail.com>
To: roll <roll@ietf.org>
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Cc: Michael Richardson <mcr+ietf@sandelman.ca>
Subject: [Roll] Open topics for discussion in ROLL
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*Hi,We would like to let you know a summary about the open topics for
discussion in the WG: 1. draft-ietf-roll-mpl-parameter-configuration.
<https://datatracker.ietf.org/doc/draft-ietf-roll-mpl-parameter-configurati=
on/>
- last thread- 1.
[http://www.ietf.org/mail-archive/web/roll/current/msg08604.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08604.html>]=E2=80=9C=
...
Typical open topics are:1) Effect of inconsistent parameter set among nodes
  (transitional state / update failure)2) Add/Remove of new MPL domain3)
Format to encode timers  (-> DHC wg)...=E2=80=9D 1. DHC wg opinion:
[http://www.ietf.org/mail-archive/web/roll/current/msg08609.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08609.html>] 2.
Additional thread:
[http://www.ietf.org/mail-archive/web/roll/current/msg08384.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08384.html>] 1.
draft-ietf-roll-admin-local-policy
<https://datatracker.ietf.org/doc/draft-ietf-roll-admin-local-policy/>-
last thread -
[http://www.ietf.org/mail-archive/web/roll/current/msg08623.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08623.html>] =E2=80=
=9C...the
following points have been changed: - terminology and description text have
been improved.- The concept of a MPL4 router is introduced which
automatically finds all interfaces belonging to the zone in which MPL scope
4 messages are distributed=E2=80=A6=E2=80=9D 1. draft-ietf-roll-applicabili=
ty-template
<https://datatracker.ietf.org/doc/draft-ietf-roll-applicability-template/>
- last thread
-[http://www.ietf.org/mail-archive/web/roll/current/msg08566.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08566.html>]=E2=80=9C=
...Some
specific todo:     1) applicability documents need to reference
roll-security-threats,        (some still reference security-framework
document)     2) some (common) text in the applicability document needs to
explain how        the applicability document relates to other
documents....=E2=80=9D4. draft-doi-roll-mpl-nan-requirements
<https://datatracker.ietf.org/doc/draft-doi-roll-mpl-nan-requirements/> -
thread:  [http://www.ietf.org/mail-archive/web/roll/current/msg08377.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08377.html>]=E2=80=9C=
...The
issue I have is how to deploy a mesh network over even larger network,
maybe up to 10,000 nodes, with very low application traffic. At the same
time, we need communication channels for relatively-low latency (few
seconds) broadcast for commanding and enough reliable broadcast file
transfer. The draft draft-doi-roll-mpl-nan-requirements-00 introduces the
requirement=E2=80=A6.=E2=80=9D5. draft-ko-roll-mix-network-pathology
<https://datatracker.ietf.org/doc/draft-ko-roll-mix-network-pathology/>[fir=
st
thread: http://www.ietf.org/mail-archive/web/roll/current/msg08494.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08494.html>]=E2=80=9C=
...is
there interest in pursuing this line of investigation at this time? We had
previously put investigation of this on hold until we figured out a number
of other things.   Please read this document, and consider whether this
document would help advance this, or if we need one or a      number of
approaches. Do we have a good enough problem statement?...=E2=80=9D[ additi=
onal
thread: http://www.ietf.org/mail-archive/web/roll/current/msg08522.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08522.html> ]=E2=80=
=9C...I
also wonder the method for mixing storing and non-storing modes that we
described in the draft is feasible or not. We suggested a new MOP that
requires a few minor changes from existing storing mode and non-storing
mode...=E2=80=9DAdditional Topics 1. 6. Interest in opportunistic routing? =
1.
[http://www.ietf.org/mail-archive/web/roll/current/msg08574.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08574.html>] =E2=80=
=9C...If
there is interest, we can come up with a simplified version of the design
presented in the paper, and propose a way to integrate it in RPL through
only a few minor additions. To be more specific, the simplified version
would use the existing RPL routing tables rather than Bloom filters, and
would be MAC-layer agnostic (the only assumption being that the MAC layer
supports anycast)....=E2=80=9D 1. 7. draft on selective DIS?*




* [http://www.ietf.org/mail-archive/web/roll/current/msg08594.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08594.html>] =E2=80=
=9C...here
is an expired draft that I intend to revive
http://tools.ietf.org/html/draft-goyal-roll-dis-modifications-01.
<http://tools.ietf.org/html/draft-goyal-roll-dis-modifications-01>It
basically consists in enriching the DIS a little bit, by allowing it to be
more selective.  One benefit is that it saves a lot of energy in a dense
environment when a new node joins an established network. =E2=80=A6=E2=80=
=9D8. Interest in
asymmetrical links support?
[http://www.ietf.org/mail-archive/web/roll/current/msg08596.html
<http://www.ietf.org/mail-archive/web/roll/current/msg08596.html>]=E2=80=9C=
...The
work was triggered by a discussion with Don Sturek, but failed to attract
WG attention at the time. I can revive it if interests grows? ...=E2=80=9D*=
9.
Multiple PIO payloads in a single DIO

[http://www.ietf.org/mail-archive/web/roll/current/msg08399.html]

=E2=80=9C...As far as I can see, there is nothing in RFC6550 to forbid mult=
iple
PIO options in a DIO, and therefore in a single DODAG.
Other than renumbering, it seems that most use cases where there could be
multiple prefixes present in an LLN will use multiple DODAGs.
If renumbering is the only use for mutiple PIO options, then it seems that
supporting at most 2 or 3 prefixes per DODAG seems reasonable=E2=80=A6.=E2=
=80=9D

10. Open tickets: [http://trac.tools.ietf.org/wg/roll/trac/report/2]






*We would appreciate your comments about it.Happy Easter! :-)Thanks and
Regards,Michael & Ines.*

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<div dir=3D"ltr"><b style=3D"font-weight:normal" id=3D"docs-internal-guid-9=
5bab94d-6bfd-172c-56ea-342633b2313e"><p dir=3D"ltr" style=3D"line-height:1.=
15;margin-top:0pt;margin-bottom:0pt"><span style=3D"font-family:Arial;color=
:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-spac=
e:pre-wrap">Hi,</span></p>
<br><span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:tran=
sparent;vertical-align:baseline;white-space:pre-wrap"></span><p dir=3D"ltr"=
 style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt"><span style=3D=
"font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-a=
lign:baseline;white-space:pre-wrap">We would like to let you know a summary=
 about the open topics for discussion in the WG:</span></p>
<br><span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:tran=
sparent;vertical-align:baseline;white-space:pre-wrap"></span><ol style=3D"m=
argin-top:0pt;margin-bottom:0pt"><li dir=3D"ltr" style=3D"list-style-type:d=
ecimal;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vert=
ical-align:baseline">
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-roll-mpl-parameter-c=
onfiguration/" style=3D"text-decoration:none"><span style=3D"background-col=
or:transparent;text-decoration:underline;vertical-align:baseline;white-spac=
e:pre-wrap">draft-ietf-roll-mpl-parameter-configuration.</span></a><span st=
yle=3D"background-color:transparent;vertical-align:baseline;white-space:pre=
-wrap"> - last thread-</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"background-color:transparent;vertical-align:baseline;white-s=
pace:pre-wrap"><br></span></p></li><ol style=3D"margin-top:0pt;margin-botto=
m:0pt">
<li dir=3D"ltr" style=3D"list-style-type:lower-alpha;font-family:Arial;colo=
r:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir=
=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt"><span =
style=3D"background-color:transparent;vertical-align:baseline;white-space:p=
re-wrap">[</span><a href=3D"http://www.ietf.org/mail-archive/web/roll/curre=
nt/msg08604.html" style=3D"text-decoration:none"><span style=3D"background-=
color:transparent;text-decoration:underline;vertical-align:baseline;white-s=
pace:pre-wrap">http://www.ietf.org/mail-archive/web/roll/current/msg08604.h=
tml</span></a><span style=3D"background-color:transparent;vertical-align:ba=
seline;white-space:pre-wrap">]</span></p>
</li></ol></ol><p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;marg=
in-bottom:0pt;margin-left:72pt"><span style=3D"font-family:Arial;color:rgb(=
0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre=
-wrap">=E2=80=9C... Typical open topics are:<br class=3D"">
1) Effect of inconsistent parameter set among nodes<br class=3D""> =C2=A0=
=C2=A0(transitional state / update failure)<br class=3D"">2) Add/Remove of =
new MPL domain<br class=3D"">3) Format to encode timers =C2=A0(-&gt; DHC wg=
)...=E2=80=9D </span></p><p dir=3D"ltr" style=3D"line-height:1.15;margin-to=
p:0pt;margin-bottom:0pt;margin-left:72pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><ol style=
=3D"margin-top:0pt;margin-bottom:0pt" start=3D"2"><li dir=3D"ltr" style=3D"=
list-style-type:lower-alpha;font-family:Arial;color:rgb(0,0,0);background-c=
olor:transparent;vertical-align:baseline">
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"background-color:transparent;vertical-align:baseline;white-s=
pace:pre-wrap">DHC wg opinion: [</span><a href=3D"http://www.ietf.org/mail-=
archive/web/roll/current/msg08609.html" style=3D"text-decoration:none"><spa=
n style=3D"background-color:transparent;text-decoration:underline;vertical-=
align:baseline;white-space:pre-wrap">http://www.ietf.org/mail-archive/web/r=
oll/current/msg08609.html</span></a><span style=3D"background-color:transpa=
rent;vertical-align:baseline;white-space:pre-wrap">]</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"background-color:transparent;vertical-align:baseline;white-s=
pace:pre-wrap"><br></span></p></li><li dir=3D"ltr" style=3D"list-style-type=
:lower-alpha;font-family:Arial;color:rgb(0,0,0);background-color:transparen=
t;vertical-align:baseline">
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"background-color:transparent;vertical-align:baseline;white-s=
pace:pre-wrap">Additional thread: [</span><a href=3D"http://www.ietf.org/ma=
il-archive/web/roll/current/msg08384.html" style=3D"text-decoration:none"><=
span style=3D"background-color:transparent;text-decoration:underline;vertic=
al-align:baseline;white-space:pre-wrap">http://www.ietf.org/mail-archive/we=
b/roll/current/msg08384.html</span></a><span style=3D"background-color:tran=
sparent;vertical-align:baseline;white-space:pre-wrap">]</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"background-color:transparent;vertical-align:baseline;white-s=
pace:pre-wrap"><br></span></p></li></ol><br><span style=3D"font-family:Aria=
l;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;whi=
te-space:pre-wrap"></span><ol style=3D"margin-top:0pt;margin-bottom:0pt" st=
art=3D"2">
<li dir=3D"ltr" style=3D"list-style-type:decimal;font-family:Arial;color:rg=
b(0,0,0);background-color:transparent;vertical-align:baseline"><p dir=3D"lt=
r" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt"><a href=3D"h=
ttps://datatracker.ietf.org/doc/draft-ietf-roll-admin-local-policy/" style=
=3D"text-decoration:none"><span style=3D"background-color:transparent;text-=
decoration:underline;vertical-align:baseline;white-space:pre-wrap">draft-ie=
tf-roll-admin-local-policy </span></a><span style=3D"background-color:trans=
parent;vertical-align:baseline;white-space:pre-wrap">- last thread -</span>=
</p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"background-color:transparent;vertical-align:baseline;white-s=
pace:pre-wrap"><br></span></p></li></ol><p dir=3D"ltr" style=3D"line-height=
:1.15;margin-top:0pt;margin-bottom:0pt;text-indent:36pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap">[</span><a href=3D"http:/=
/www.ietf.org/mail-archive/web/roll/current/msg08623.html" style=3D"text-de=
coration:none"><span style=3D"font-family:Arial;background-color:transparen=
t;text-decoration:underline;vertical-align:baseline;white-space:pre-wrap">h=
ttp://www.ietf.org/mail-archive/web/roll/current/msg08623.html</span></a><s=
pan style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transparen=
t;vertical-align:baseline;white-space:pre-wrap">]</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt;t=
ext-indent:36pt"><span style=3D"font-family:Arial;color:rgb(0,0,0);backgrou=
nd-color:transparent;vertical-align:baseline;white-space:pre-wrap"><span cl=
ass=3D"" style=3D"white-space:pre">	</span>=E2=80=9C...the following points=
 have been changed: </span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt;m=
argin-left:36pt;text-indent:36pt"><span style=3D"font-family:Arial;color:rg=
b(0,0,0);background-color:transparent;vertical-align:baseline;white-space:p=
re-wrap">- terminology and description text have been improved.</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt;m=
argin-left:36pt;text-indent:36pt"><span style=3D"font-family:Arial;color:rg=
b(0,0,0);background-color:transparent;vertical-align:baseline;white-space:p=
re-wrap">- The concept of a MPL4 router is introduced which automatically f=
inds all interfaces belonging to the zone in which MPL scope 4 messages are=
 distributed=E2=80=A6=E2=80=9D</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt;m=
argin-left:36pt;text-indent:36pt"><span style=3D"font-family:Arial;color:rg=
b(0,0,0);background-color:transparent;vertical-align:baseline;white-space:p=
re-wrap"><br>
</span></p><br><span style=3D"font-family:Arial;color:rgb(0,0,0);background=
-color:transparent;vertical-align:baseline;white-space:pre-wrap"></span><ol=
 style=3D"margin-top:0pt;margin-bottom:0pt" start=3D"3"><li dir=3D"ltr" sty=
le=3D"list-style-type:decimal;font-family:Arial;color:rgb(0,0,0);background=
-color:transparent;vertical-align:baseline">
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-roll-applicability-t=
emplate/" style=3D"text-decoration:none"><span style=3D"background-color:tr=
ansparent;text-decoration:underline;vertical-align:baseline;white-space:pre=
-wrap">draft-ietf-roll-applicability-template</span></a><span style=3D"back=
ground-color:transparent;vertical-align:baseline;white-space:pre-wrap"> - l=
ast thread -</span></p>
</li></ol><p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bo=
ttom:0pt;margin-left:36pt"><span style=3D"font-family:Arial;color:rgb(0,0,0=
);background-color:transparent;vertical-align:baseline;white-space:pre-wrap=
">[</span><a href=3D"http://www.ietf.org/mail-archive/web/roll/current/msg0=
8566.html" style=3D"text-decoration:none"><span style=3D"font-family:Arial;=
background-color:transparent;text-decoration:underline;vertical-align:basel=
ine;white-space:pre-wrap">http://www.ietf.org/mail-archive/web/roll/current=
/msg08566.html</span></a><span style=3D"font-family:Arial;color:rgb(0,0,0);=
background-color:transparent;vertical-align:baseline;white-space:pre-wrap">=
]</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt;m=
argin-left:36pt"><span style=3D"font-family:Arial;color:rgb(0,0,0);backgrou=
nd-color:transparent;vertical-align:baseline;white-space:pre-wrap"><br></sp=
an></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt;m=
argin-left:36pt"><span style=3D"font-family:Arial;color:rgb(0,0,0);backgrou=
nd-color:transparent;vertical-align:baseline;white-space:pre-wrap">=E2=80=
=9C...Some specific todo:<br class=3D"">
 =C2=A0=C2=A0=C2=A0=C2=A01) applicability documents need to reference roll-=
security-threats,<br class=3D""> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
(some still reference security-framework document)<br class=3D""><br class=
=3D""> =C2=A0=C2=A0=C2=A0=C2=A02) some (common) text in the applicability d=
ocument needs to explain how<br class=3D"">
 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0the applicability document relat=
es to other documents....=E2=80=9D</span></p><p dir=3D"ltr" style=3D"line-h=
eight:1.15;margin-top:0pt;margin-bottom:0pt;margin-left:36pt"><span style=
=3D"font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertica=
l-align:baseline;white-space:pre-wrap"><br>
</span></p><br><span style=3D"font-family:Arial;color:rgb(0,0,0);background=
-color:transparent;vertical-align:baseline;white-space:pre-wrap"></span><p =
dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt"><sp=
an style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transparent=
;vertical-align:baseline;white-space:pre-wrap">4.  </span><a href=3D"https:=
//datatracker.ietf.org/doc/draft-doi-roll-mpl-nan-requirements/" style=3D"t=
ext-decoration:none"><span style=3D"font-family:Arial;background-color:tran=
sparent;text-decoration:underline;vertical-align:baseline;white-space:pre-w=
rap">draft-doi-roll-mpl-nan-requirements</span></a><span style=3D"font-fami=
ly:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:basel=
ine;white-space:pre-wrap"> - thread:</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir=3D"=
ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap"> =C2=A0[</span><a href=3D=
"http://www.ietf.org/mail-archive/web/roll/current/msg08377.html">http://ww=
w.ietf.org/mail-archive/web/roll/current/msg08377.html</a><span style=3D"fo=
nt-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-alig=
n:baseline;white-space:pre-wrap">]</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir=3D"=
ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap">=E2=80=9C...The issue I h=
ave is how to deploy a mesh network over even larger network, maybe up to 1=
0,000 nodes, with very low application traffic. At the same time, we need c=
ommunication channels for relatively-low latency (few seconds) broadcast fo=
r commanding and enough reliable broadcast file transfer. The draft draft-d=
oi-roll-mpl-nan-requirements-00 introduces the requirement=E2=80=A6.=E2=80=
=9D</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><br><span =
style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transparent;ve=
rtical-align:baseline;white-space:pre-wrap"></span><p dir=3D"ltr" style=3D"=
line-height:1.15;margin-top:0pt;margin-bottom:0pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap">5.  </span><span style=3D=
"text-decoration:underline;font-family:Arial;background-color:transparent;v=
ertical-align:baseline;white-space:pre-wrap"><a href=3D"https://datatracker=
.ietf.org/doc/draft-ko-roll-mix-network-pathology/" style=3D"text-decoratio=
n:none">draft-ko-roll-mix-network-pathology</a></span><span style=3D"font-f=
amily:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:ba=
seline;white-space:pre-wrap"></span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<br></p><p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bott=
om:0pt"><span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:=
transparent;vertical-align:baseline;white-space:pre-wrap">[first thread: </=
span><a href=3D"http://www.ietf.org/mail-archive/web/roll/current/msg08494.=
html" style=3D"text-decoration:none"><span style=3D"font-family:Arial;backg=
round-color:transparent;text-decoration:underline;vertical-align:baseline;w=
hite-space:pre-wrap">http://www.ietf.org/mail-archive/web/roll/current/msg0=
8494.html</span></a><span style=3D"font-family:Arial;color:rgb(0,0,0);backg=
round-color:transparent;vertical-align:baseline;white-space:pre-wrap">]</sp=
an></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap">=E2=80=9C...is there inte=
rest in pursuing this line of investigation at this time? We had previously=
 put investigation of this on hold until we figured out a number of other t=
hings. =C2=A0=C2=A0Please read this document, and consider whether this doc=
ument would help advance this, or if we need one or a =C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0number of approaches. Do we have a good enough problem statement?.=
..=E2=80=9D</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir=3D"=
ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap">[ additional thread: </sp=
an><a href=3D"http://www.ietf.org/mail-archive/web/roll/current/msg08522.ht=
ml" style=3D"text-decoration:none"><span style=3D"font-family:Arial;backgro=
und-color:transparent;text-decoration:underline;vertical-align:baseline;whi=
te-space:pre-wrap">http://www.ietf.org/mail-archive/web/roll/current/msg085=
22.html</span></a><span style=3D"font-family:Arial;color:rgb(0,0,0);backgro=
und-color:transparent;vertical-align:baseline;white-space:pre-wrap"> ]</spa=
n></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<b id=3D"docs-internal-guid-95bab94d-6bfd-172c-56ea-342633b2313e" style=3D"=
font-weight:normal"></b></p><p dir=3D"ltr" style=3D"line-height:1.15;margin=
-top:0pt;margin-bottom:0pt;display:inline!important">
<b id=3D"docs-internal-guid-95bab94d-6bfd-172c-56ea-342633b2313e" style=3D"=
font-weight:normal"><span style=3D"font-family:Arial;color:rgb(0,0,0);backg=
round-color:transparent;vertical-align:baseline;white-space:pre-wrap">=E2=
=80=9C...I also wonder the method for mixing storing and non-storing modes =
that we described in the draft is feasible or not. We suggested a new MOP t=
hat requires a few minor changes from existing storing mode and non-storing=
 mode...=E2=80=9D</span></b></p>
<br><p></p><p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-b=
ottom:0pt"><span style=3D"font-family:Arial;color:rgb(0,0,0);background-col=
or:transparent;vertical-align:baseline;white-space:pre-wrap"><br></span></p=
><p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt"=
>
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><br><span =
style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transparent;ve=
rtical-align:baseline;white-space:pre-wrap"></span><p dir=3D"ltr" style=3D"=
line-height:1.15;margin-top:0pt;margin-bottom:0pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap">Additional Topics</span><=
/p><p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0p=
t">
<b style=3D"font-weight:normal"></b></p><ol start=3D"8" style=3D"margin-top=
:0pt;margin-bottom:0pt;display:inline!important"><li dir=3D"ltr" style=3D"l=
ist-style-type:decimal;font-family:Arial;color:rgb(0,0,0);background-color:=
transparent;vertical-align:baseline;display:inline!important">
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt;d=
isplay:inline!important"><b style=3D"font-weight:normal"><span style=3D"bac=
kground-color:transparent;vertical-align:baseline;white-space:pre-wrap"><br=
></span></b></p>
</li></ol><p></p><b style=3D"font-weight:normal" id=3D"docs-internal-guid-9=
5bab94d-6c0b-a767-8061-c0b5578988a4"><span style=3D"font-family:Arial;color=
:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-spac=
e:pre-wrap">6.  Interest in opportunistic routing? </span></b><p dir=3D"ltr=
" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">
<b id=3D"docs-internal-guid-95bab94d-6bfd-172c-56ea-342633b2313e" style=3D"=
font-weight:normal"></b></p><ol start=3D"8" style=3D"margin-top:0pt;margin-=
bottom:0pt;display:inline!important"><li dir=3D"ltr" style=3D"list-style-ty=
pe:decimal;font-family:Arial;color:rgb(0,0,0);background-color:transparent;=
vertical-align:baseline;display:inline!important">
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt;d=
isplay:inline!important"><b id=3D"docs-internal-guid-95bab94d-6bfd-172c-56e=
a-342633b2313e" style=3D"font-weight:normal"><span style=3D"background-colo=
r:transparent;vertical-align:baseline;white-space:pre-wrap"> [</span><a hre=
f=3D"http://www.ietf.org/mail-archive/web/roll/current/msg08574.html" style=
=3D"text-decoration:none"><span style=3D"background-color:transparent;text-=
decoration:underline;vertical-align:baseline;white-space:pre-wrap">http://w=
ww.ietf.org/mail-archive/web/roll/current/msg08574.html</span></a><span sty=
le=3D"background-color:transparent;vertical-align:baseline;white-space:pre-=
wrap">]</span></b></p>
</li></ol><p></p><p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;ma=
rgin-bottom:0pt"><span style=3D"font-family:Arial;color:rgb(0,0,0);backgrou=
nd-color:transparent;vertical-align:baseline;white-space:pre-wrap"><span cl=
ass=3D"" style=3D"white-space:pre">	</span>=E2=80=9C...If there is interest=
, we can come up with a simplified version of the design presented in the p=
aper, and propose a way to integrate it in RPL through only a few minor add=
itions. To be more specific, the simplified version would use the existing =
RPL routing tables rather than Bloom filters, and would be MAC-layer agnost=
ic (the only assumption being that the MAC layer supports anycast)....=E2=
=80=9D</span></p>
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">=
<b style=3D"font-weight:normal"></b></p><ol start=3D"9" style=3D"margin-top=
:0pt;margin-bottom:0pt;display:inline!important"><li dir=3D"ltr" style=3D"l=
ist-style-type:decimal;font-family:Arial;color:rgb(0,0,0);background-color:=
transparent;vertical-align:baseline;display:inline!important">
<p dir=3D"ltr" style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt;d=
isplay:inline!important"><b style=3D"font-weight:normal"><b style=3D"font-w=
eight:normal"><span style=3D"background-color:transparent;vertical-align:ba=
seline;white-space:pre-wrap"><br>
</span></b></b></p></li></ol><p></p><b style=3D"font-weight:normal" id=3D"d=
ocs-internal-guid-95bab94d-6c0c-8d9a-dfef-5067d85404a3"><span style=3D"font=
-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:=
baseline;white-space:pre-wrap">7. draft on selective DIS?</span></b></b><di=
v>
<b><b id=3D"docs-internal-guid-95bab94d-6bfd-172c-56ea-342633b2313e" style=
=3D"font-weight:normal"><p dir=3D"ltr" style=3D"line-height:1.15;margin-top=
:0pt;margin-bottom:0pt;display:inline!important"><span style=3D"font-family=
:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baselin=
e;white-space:pre-wrap"><span class=3D"" style=3D"white-space:pre">	</span>=
[</span><a href=3D"http://www.ietf.org/mail-archive/web/roll/current/msg085=
94.html" style=3D"text-decoration:none"><span style=3D"font-family:Arial;ba=
ckground-color:transparent;text-decoration:underline;vertical-align:baselin=
e;white-space:pre-wrap">http://www.ietf.org/mail-archive/web/roll/current/m=
sg08594.html</span></a><span style=3D"font-family:Arial;color:rgb(0,0,0);ba=
ckground-color:transparent;vertical-align:baseline;white-space:pre-wrap">]<=
/span></p>
</b><p style=3D"font-weight:normal;line-height:1.15;margin-top:0pt;margin-b=
ottom:0pt"><span style=3D"font-family:Arial;color:rgb(0,0,0);background-col=
or:transparent;vertical-align:baseline;white-space:pre-wrap"><span class=3D=
"" style=3D"white-space:pre">	</span>=E2=80=9C...here is an expired draft t=
hat I intend to revive </span><a href=3D"http://tools.ietf.org/html/draft-g=
oyal-roll-dis-modifications-01" style=3D"text-decoration:none"><span style=
=3D"font-family:Arial;background-color:transparent;text-decoration:underlin=
e;vertical-align:baseline;white-space:pre-wrap">http://tools.ietf.org/html/=
draft-goyal-roll-dis-modifications-01. </span></a><span style=3D"font-famil=
y:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseli=
ne;white-space:pre-wrap">It basically consists in enriching the DIS a littl=
e bit, by allowing it to be more selective. =C2=A0One benefit is that it sa=
ves a lot of energy in a dense environment when a new node joins an establi=
shed network. =E2=80=A6=E2=80=9D</span></p>
<p style=3D"font-weight:normal;line-height:1.15;margin-top:0pt;margin-botto=
m:0pt"><span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:t=
ransparent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p =
style=3D"font-weight:normal;line-height:1.15;margin-top:0pt;margin-bottom:0=
pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap"><b style=3D"font-weight:n=
ormal" id=3D"docs-internal-guid-95bab94d-6c0d-8c25-6a7c-772fad27866a"><span=
 style=3D"background-color:transparent;vertical-align:baseline">8.   Intere=
st in asymmetrical links support?</span></b><br>
</span></p><p style=3D"font-weight:normal;line-height:1.15;margin-top:0pt;m=
argin-bottom:0pt"><span style=3D"font-family:Arial;color:rgb(0,0,0);backgro=
und-color:transparent;vertical-align:baseline;white-space:pre-wrap"><span c=
lass=3D"" style=3D"white-space:pre">	</span>[</span><a href=3D"http://www.i=
etf.org/mail-archive/web/roll/current/msg08596.html" style=3D"text-decorati=
on:none"><span style=3D"font-family:Arial;background-color:transparent;text=
-decoration:underline;vertical-align:baseline;white-space:pre-wrap">http://=
www.ietf.org/mail-archive/web/roll/current/msg08596.html</span></a><span st=
yle=3D"font-family:Arial;color:rgb(0,0,0);background-color:transparent;vert=
ical-align:baseline;white-space:pre-wrap">]</span></p>
<p style=3D"font-weight:normal;line-height:1.15;margin-top:0pt;margin-botto=
m:0pt"><span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:t=
ransparent;vertical-align:baseline;white-space:pre-wrap">=E2=80=9C...The wo=
rk was triggered by a discussion with Don Sturek, but failed to attract WG =
attention at the time. I can revive it if interests grows? ...=E2=80=9D</sp=
an></p>
<p style=3D"font-weight:normal;line-height:1.15;margin-top:0pt;margin-botto=
m:0pt"><b style=3D"font-weight:normal"></b></p><p style=3D"font-weight:norm=
al;line-height:1.15;margin-top:0pt;margin-bottom:0pt;margin-left:36pt;displ=
ay:inline!important">
<b style=3D"font-weight:normal"><b style=3D"font-weight:normal"><span style=
=3D"font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertica=
l-align:baseline;white-space:pre-wrap"><b style=3D"font-weight:normal"><spa=
n style=3D"background-color:transparent;vertical-align:baseline"><br>
</span></b></span></b></b></p><p style=3D"font-weight:normal"></p><p style=
=3D"font-weight:normal;line-height:1.15;margin-top:0pt;margin-bottom:0pt"><=
b style=3D"font-weight:normal"></b></p></b><font color=3D"#000000">9. Multi=
ple PIO payloads in a single DIO<br>
<br>[<a href=3D"http://www.ietf.org/mail-archive/web/roll/current/msg08399.=
html">http://www.ietf.org/mail-archive/web/roll/current/msg08399.html</a>]<=
br><br>=E2=80=9C...As far as I can see, there is nothing in RFC6550 to forb=
id multiple PIO=C2=A0options in a DIO, and therefore in a single DODAG.<br>
Other than renumbering, it seems that most use cases where there could=C2=
=A0be multiple prefixes present in an LLN will use multiple DODAGs.<br>If r=
enumbering is the only use for mutiple PIO options, then it seems=C2=A0that=
 supporting at most 2 or 3 prefixes per DODAG seems reasonable=E2=80=A6.=E2=
=80=9D</font></div>
<div style><b><b style=3D"font-weight:normal"><br></b></b></div><div style>=
10. Open tickets: [<a href=3D"http://trac.tools.ietf.org/wg/roll/trac/repor=
t/2">http://trac.tools.ietf.org/wg/roll/trac/report/2</a>]</div><div style>
<br></div><div style><b><b style=3D"font-weight:normal"><br><span style=3D"=
font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-al=
ign:baseline;white-space:pre-wrap"></span><p style=3D"line-height:1.15;marg=
in-top:0pt;margin-bottom:0pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap">We would appreciate your =
comments about it.</span></p><br><span style=3D"font-family:Arial;color:rgb=
(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pr=
e-wrap"></span><p style=3D"line-height:1.15;margin-top:0pt;margin-bottom:0p=
t">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap">Happy Easter! :-)</span><=
/p><br><span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:t=
ransparent;vertical-align:baseline;white-space:pre-wrap"></span><p style=3D=
"line-height:1.15;margin-top:0pt;margin-bottom:0pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap">Thanks and Regards,</span=
></p><br><span style=3D"font-family:Arial;color:rgb(0,0,0);background-color=
:transparent;vertical-align:baseline;white-space:pre-wrap"></span><p style=
=3D"line-height:1.15;margin-top:0pt;margin-bottom:0pt">
<span style=3D"font-family:Arial;color:rgb(0,0,0);background-color:transpar=
ent;vertical-align:baseline;white-space:pre-wrap">Michael &amp; Ines.</span=
></p><div style><span style=3D"font-size:15px;font-family:Arial;color:rgb(0=
,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-=
wrap"><br>
</span></div></b></b></div></div>

--047d7b2e516880ce6b04f72e4819--


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Date: Wed, 16 Apr 2014 17:44:06 -0300
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From: Ines  Robles <mariainesrobles@googlemail.com>
To: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
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Subject: Re: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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+1

Ines

2014-04-15 21:19 GMT-03:00 Qin Wang <qinwang6top@yahoo.com>:

> +1
>
> Qin
>   On Wednesday, April 16, 2014 1:47 AM, Prof. Diego Dujovne <
> diego.dujovne@mail.udp.cl> wrote:
>  +1 !
>
>
> 2014-04-15 12:25 GMT-03:00 Tom Phinney <tom.phinney@cox.net>:
>
>  +1 for sure. The flow label has always been the preferable method for me=
,
> and I suspect for others with knowledge of how it is used in ISA100.11a.
> =3D=3D=3D
>
> On 2014.04.15 07:25, Pascal Thubert (pthubert) wrote:
>
>  Dear all:
>
> As some of you remember, the RPL specification has changed over time WRT
> to the location of the information that RPL places in the data packets. W=
e
> started with the flow label but these were the days when what became RFC
> 6437 was being defined at 6MAN, so we shied away and defined the HbH
> technique that is now specified as RFC 6553.
>
> We=E2=80=99ll note that the RPL option defined in RFC 6553 takes 6 octets=
, and
> with the HbH hdr we end up with 8 extra octets. An extra IP-in-IP
> encapsulation is required on top of that unless both endpoints are in the
> same RPL domain. All this overhead may be acceptable when power is
> available and the PHY allows for larger frames, but in traditional
> battery-operated 15.4 with ~ 80 bytes usable per frame, my experience fro=
m
> integrating 6LoWPAN HC with ISA100.11a says that all these extra bytes wi=
ll
> be on the way of the 6TiSCH adoption.
>
> Still, both RFC 6550 and RFC 6552 are designed to allow for an alternate
> technique and in particular for the use of the flow label, as is elaborat=
ed
> in http://tools.ietf.org/html/draft-thubert-roll-flow-label-02 . Using
> the flow label reduces the cost of the RPL information dramatically, down
> to a level that is probably acceptable for the target SDOs.
>
> So my plan for now is to move the flow label draft to 6MAN and prepare fo=
r
> a hot season, and I=E2=80=99m looking for support from both 6TiSCH and RO=
LL to back
> me up from the start.  Yes, you can help!
>
> Please +1 if you agree we need this work to happen, and/or provide any
> suggestion.
>
> Cheers,
>
> Pascal
>
>
> _______________________________________________
> 6tisch mailing list6tisch@ietf.orghttps://www.ietf.org/mailman/listinfo/6=
tisch
>
>
>
> _______________________________________________
> 6tisch mailing list
> 6tisch@ietf.org
> https://www.ietf.org/mailman/listinfo/6tisch
>
>
>
>
> --
> DIEGO DUJOVNE
> Acad=C3=A9mico Escuela de Ingenier=C3=ADa en Inform=C3=A1tica y Telecomun=
icaciones
> Facultad de Ingenier=C3=ADa UDP
> www.ingenieria.udp.cl
> (56 2) 676 8125
>
> _______________________________________________
> 6tisch mailing list
> 6tisch@ietf.org
> https://www.ietf.org/mailman/listinfo/6tisch
>
>
>
> _______________________________________________
> Roll mailing list
> Roll@ietf.org
> https://www.ietf.org/mailman/listinfo/roll
>
>

--047d7bd6c21a4b5abc04f72efa53
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<div dir=3D"ltr">+1<div><br></div><div style>Ines</div><div class=3D"gmail_=
extra"><br><div class=3D"gmail_quote">2014-04-15 21:19 GMT-03:00 Qin Wang <=
span dir=3D"ltr">&lt;<a href=3D"mailto:qinwang6top@yahoo.com" target=3D"_bl=
ank">qinwang6top@yahoo.com</a>&gt;</span>:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div><div style=3D"font-size:10pt;font-famil=
y:verdana,helvetica,sans-serif"><div><span>+1</span></div><span class=3D"HO=
EnZb"><font color=3D"#888888"><div style=3D"font-style:normal;font-size:13p=
x;background-color:transparent;font-family:verdana,helvetica,sans-serif">
<span><br></span></div><div style=3D"font-style:normal;font-size:13px;backg=
round-color:transparent;font-family:verdana,helvetica,sans-serif"><span>Qin=
</span></div></font></span><div><div class=3D"h5"><div style=3D"display:blo=
ck">
 <div style=3D"font-family:verdana,helvetica,sans-serif;font-size:10pt"> <d=
iv style=3D"font-family:HelveticaNeue,&#39;Helvetica Neue&#39;,Helvetica,Ar=
ial,&#39;Lucida Grande&#39;,sans-serif;font-size:12pt"> <div dir=3D"ltr"> <=
font face=3D"Arial"> On Wednesday, April 16, 2014 1:47 AM, Prof. Diego Dujo=
vne &lt;<a href=3D"mailto:diego.dujovne@mail.udp.cl" target=3D"_blank">dieg=
o.dujovne@mail.udp.cl</a>&gt; wrote:<br>
 </font> </div>  <div><div><div><div dir=3D"ltr">+1 !<br clear=3D"none"></d=
iv><div><br clear=3D"none"><br clear=3D"none"><div>2014-04-15 12:25 GMT-03:=
00 Tom Phinney <span dir=3D"ltr">&lt;<a rel=3D"nofollow" shape=3D"rect" hre=
f=3D"mailto:tom.phinney@cox.net" target=3D"_blank">tom.phinney@cox.net</a>&=
gt;</span>:<br clear=3D"none">

<blockquote style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-l=
eft:1ex">
 =20
   =20
 =20
  <div><div>
    +1 for sure. The flow label has always been the preferable method
    for me, and I suspect for others with knowledge of how it is used in
    ISA100.11a.<br clear=3D"none">
    =3D=3D=3D<div><br clear=3D"none">
    <div>On 2014.04.15 07:25, Pascal Thubert
      (pthubert) wrote:<br clear=3D"none">
    </div>
    </div><blockquote type=3D"cite">
     =20
     =20
     =20
      <div><div>
        <div>Dear all:<u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        <div>As some of you remember, the RPL
          specification has changed over time WRT to the location of the
          information that RPL places in the data packets. We started
          with the flow label but these were the days when what became
          RFC 6437 was being defined at 6MAN, so we shied away and
          defined the HbH technique that is now specified as RFC 6553.
          <u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        <div>We=E2=80=99ll note that the RPL option defined in
          RFC 6553 takes 6 octets, and with the HbH hdr we end up with 8
          extra octets. An extra IP-in-IP encapsulation is required on
          top of that unless both endpoints are in the same RPL domain.
          All this overhead may be acceptable when power is available
          and the PHY allows for larger frames, but in traditional
          battery-operated 15.4 with ~ 80 bytes usable per frame, my
          experience from integrating 6LoWPAN HC with ISA100.11a says
          that all these extra bytes will be on the way of the 6TiSCH
          adoption. <u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        </div><div>Still, both RFC 6550 and RFC 6552 are
          designed to allow for an alternate technique and in particular
          for the use of the flow label, as is elaborated in
          <a rel=3D"nofollow" shape=3D"rect" href=3D"http://tools.ietf.org/=
html/draft-thubert-roll-flow-label-02" target=3D"_blank">http://tools.ietf.=
org/html/draft-thubert-roll-flow-label-02</a>
          . Using the flow label reduces the cost of the RPL information
          dramatically, down to a level that is probably acceptable for
          the target SDOs.<u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        <div>So my plan for now is to move the flow
          label draft to 6MAN and prepare for a hot season, and I=E2=80=99m
          looking for support from both 6TiSCH and ROLL to back me up
          from the start. =C2=A0Yes, you can help!
          <u></u><u></u></div><div>
        <div><u></u>=C2=A0<u></u></div>
        <div>Please +1 if you agree we need this work to
          happen, and/or provide any suggestion.<u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        </div><div>Cheers,<u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        <div>Pascal<u></u><u></u></div>
      </div>
      <br clear=3D"none">
      <fieldset></fieldset>
      <br clear=3D"none">
      <pre>_______________________________________________
6tisch mailing list
<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:6tisch@ietf.org" target=
=3D"_blank">6tisch@ietf.org</a>
<a rel=3D"nofollow" shape=3D"rect" href=3D"https://www.ietf.org/mailman/lis=
tinfo/6tisch" target=3D"_blank">https://www.ietf.org/mailman/listinfo/6tisc=
h</a>
</pre>
    </blockquote>
    <br clear=3D"none">
  </div></div>


<br clear=3D"none">_______________________________________________<br clear=
=3D"none">
6tisch mailing list<br clear=3D"none">
<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:6tisch@ietf.org" target=
=3D"_blank">6tisch@ietf.org</a><br clear=3D"none">
<a rel=3D"nofollow" shape=3D"rect" href=3D"https://www.ietf.org/mailman/lis=
tinfo/6tisch" target=3D"_blank">https://www.ietf.org/mailman/listinfo/6tisc=
h</a><br clear=3D"none">
<br clear=3D"none"></blockquote></div><br clear=3D"none"><br clear=3D"all">=
<br clear=3D"none">-- <br clear=3D"none">DIEGO DUJOVNE<br clear=3D"none">Ac=
ad=C3=A9mico Escuela de Ingenier=C3=ADa en Inform=C3=A1tica y Telecomunicac=
iones<br clear=3D"none">
Facultad de Ingenier=C3=ADa UDP<br clear=3D"none"><a rel=3D"nofollow" shape=
=3D"rect" href=3D"http://www.ingenieria.udp.cl/" target=3D"_blank">www.inge=
nieria.udp.cl</a><br clear=3D"none">
(56 2) 676 8125<br clear=3D"none">
</div></div></div><br><div>_______________________________________________<=
br clear=3D"none">6tisch mailing list<br clear=3D"none"><a shape=3D"rect" h=
ref=3D"mailto:6tisch@ietf.org" target=3D"_blank">6tisch@ietf.org</a><br cle=
ar=3D"none">
<a shape=3D"rect" href=3D"https://www.ietf.org/mailman/listinfo/6tisch" tar=
get=3D"_blank">https://www.ietf.org/mailman/listinfo/6tisch</a><br clear=3D=
"none"></div><br><br></div>  </div> </div>  </div> </div></div></div></div>=
<br>
_______________________________________________<br>
Roll mailing list<br>
<a href=3D"mailto:Roll@ietf.org">Roll@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/roll" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/roll</a><br>
<br></blockquote></div><br></div></div>

--047d7bd6c21a4b5abc04f72efa53--


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Subject: Re: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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+1 I think this is more than needed. In addition RFC 6282 defines how
header compression needs to be handled together with extension headers. I
think this is not clear and leads to confusions (afecting already some
wireshark dissectors). The use of flow label will solve several problems at
once.

X.




2014-04-16 22:44 GMT+02:00 Ines Robles <mariainesrobles@googlemail.com>:

> +1
>
> Ines
>
> 2014-04-15 21:19 GMT-03:00 Qin Wang <qinwang6top@yahoo.com>:
>
>> +1
>>
>> Qin
>>   On Wednesday, April 16, 2014 1:47 AM, Prof. Diego Dujovne <
>> diego.dujovne@mail.udp.cl> wrote:
>>  +1 !
>>
>>
>> 2014-04-15 12:25 GMT-03:00 Tom Phinney <tom.phinney@cox.net>:
>>
>>  +1 for sure. The flow label has always been the preferable method for
>> me, and I suspect for others with knowledge of how it is used in ISA100.=
11a.
>> =3D=3D=3D
>>
>> On 2014.04.15 07:25, Pascal Thubert (pthubert) wrote:
>>
>>  Dear all:
>>
>> As some of you remember, the RPL specification has changed over time WRT
>> to the location of the information that RPL places in the data packets. =
We
>> started with the flow label but these were the days when what became RFC
>> 6437 was being defined at 6MAN, so we shied away and defined the HbH
>> technique that is now specified as RFC 6553.
>>
>> We=E2=80=99ll note that the RPL option defined in RFC 6553 takes 6 octet=
s, and
>> with the HbH hdr we end up with 8 extra octets. An extra IP-in-IP
>> encapsulation is required on top of that unless both endpoints are in th=
e
>> same RPL domain. All this overhead may be acceptable when power is
>> available and the PHY allows for larger frames, but in traditional
>> battery-operated 15.4 with ~ 80 bytes usable per frame, my experience fr=
om
>> integrating 6LoWPAN HC with ISA100.11a says that all these extra bytes w=
ill
>> be on the way of the 6TiSCH adoption.
>>
>> Still, both RFC 6550 and RFC 6552 are designed to allow for an alternate
>> technique and in particular for the use of the flow label, as is elabora=
ted
>> in http://tools.ietf.org/html/draft-thubert-roll-flow-label-02 . Using
>> the flow label reduces the cost of the RPL information dramatically, dow=
n
>> to a level that is probably acceptable for the target SDOs.
>>
>> So my plan for now is to move the flow label draft to 6MAN and prepare
>> for a hot season, and I=E2=80=99m looking for support from both 6TiSCH a=
nd ROLL to
>> back me up from the start.  Yes, you can help!
>>
>> Please +1 if you agree we need this work to happen, and/or provide any
>> suggestion.
>>
>> Cheers,
>>
>> Pascal
>>
>>
>> _______________________________________________
>> 6tisch mailing list6tisch@ietf.orghttps://www.ietf.org/mailman/listinfo/=
6tisch
>>
>>
>>
>> _______________________________________________
>> 6tisch mailing list
>> 6tisch@ietf.org
>> https://www.ietf.org/mailman/listinfo/6tisch
>>
>>
>>
>>
>> --
>> DIEGO DUJOVNE
>> Acad=C3=A9mico Escuela de Ingenier=C3=ADa en Inform=C3=A1tica y Telecomu=
nicaciones
>> Facultad de Ingenier=C3=ADa UDP
>> www.ingenieria.udp.cl
>> (56 2) 676 8125
>>
>> _______________________________________________
>> 6tisch mailing list
>> 6tisch@ietf.org
>> https://www.ietf.org/mailman/listinfo/6tisch
>>
>>
>>
>> _______________________________________________
>> Roll mailing list
>> Roll@ietf.org
>> https://www.ietf.org/mailman/listinfo/roll
>>
>>
>
> _______________________________________________
> 6tisch mailing list
> 6tisch@ietf.org
> https://www.ietf.org/mailman/listinfo/6tisch
>
>

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<div dir=3D"ltr">+1 I think this is more than needed. In addition RFC 6282 =
defines how header compression needs to be handled together with extension =
headers. I think this is not clear and leads to confusions (afecting alread=
y some wireshark dissectors). The use of flow label will solve several prob=
lems at once.<div>
<br></div><div>X.<br><div><br></div><div>=C2=A0</div></div></div><div class=
=3D"gmail_extra"><br><br><div class=3D"gmail_quote">2014-04-16 22:44 GMT+02=
:00 Ines  Robles <span dir=3D"ltr">&lt;<a href=3D"mailto:mariainesrobles@go=
oglemail.com" target=3D"_blank">mariainesrobles@googlemail.com</a>&gt;</spa=
n>:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">+1<div><br></div><div>Ines<=
/div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">2014-04-15 2=
1:19 GMT-03:00 Qin Wang <span dir=3D"ltr">&lt;<a href=3D"mailto:qinwang6top=
@yahoo.com" target=3D"_blank">qinwang6top@yahoo.com</a>&gt;</span>:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div><div style=3D"font-size:10pt;font-famil=
y:verdana,helvetica,sans-serif"><div><span>+1</span></div><span><font color=
=3D"#888888"><div style=3D"font-style:normal;font-size:13px;background-colo=
r:transparent;font-family:verdana,helvetica,sans-serif">

<span><br></span></div><div style=3D"font-style:normal;font-size:13px;backg=
round-color:transparent;font-family:verdana,helvetica,sans-serif"><span>Qin=
</span></div></font></span><div><div class=3D"h5"><div><div><div style=3D"d=
isplay:block">

 <div style=3D"font-family:verdana,helvetica,sans-serif;font-size:10pt"> <d=
iv style=3D"font-family:HelveticaNeue,&#39;Helvetica Neue&#39;,Helvetica,Ar=
ial,&#39;Lucida Grande&#39;,sans-serif;font-size:12pt"> <div dir=3D"ltr"> <=
font face=3D"Arial"> On Wednesday, April 16, 2014 1:47 AM, Prof. Diego Dujo=
vne &lt;<a href=3D"mailto:diego.dujovne@mail.udp.cl" target=3D"_blank">dieg=
o.dujovne@mail.udp.cl</a>&gt; wrote:<br>

 </font> </div>  <div><div><div><div dir=3D"ltr">+1 !<br clear=3D"none"></d=
iv><div><br clear=3D"none"><br clear=3D"none"><div>2014-04-15 12:25 GMT-03:=
00 Tom Phinney <span dir=3D"ltr">&lt;<a rel=3D"nofollow" shape=3D"rect" hre=
f=3D"mailto:tom.phinney@cox.net" target=3D"_blank">tom.phinney@cox.net</a>&=
gt;</span>:<br clear=3D"none">


<blockquote style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-l=
eft:1ex">
 =20
   =20
 =20
  <div><div>
    +1 for sure. The flow label has always been the preferable method
    for me, and I suspect for others with knowledge of how it is used in
    ISA100.11a.<br clear=3D"none">
    =3D=3D=3D<div><br clear=3D"none">
    <div>On <a href=3D"tel:2014.04.15%2007" value=3D"+12014041507" target=
=3D"_blank">2014.04.15 07</a>:25, Pascal Thubert
      (pthubert) wrote:<br clear=3D"none">
    </div>
    </div><blockquote type=3D"cite">
     =20
     =20
     =20
      <div><div>
        <div>Dear all:<u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        <div>As some of you remember, the RPL
          specification has changed over time WRT to the location of the
          information that RPL places in the data packets. We started
          with the flow label but these were the days when what became
          RFC 6437 was being defined at 6MAN, so we shied away and
          defined the HbH technique that is now specified as RFC 6553.
          <u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        <div>We=E2=80=99ll note that the RPL option defined in
          RFC 6553 takes 6 octets, and with the HbH hdr we end up with 8
          extra octets. An extra IP-in-IP encapsulation is required on
          top of that unless both endpoints are in the same RPL domain.
          All this overhead may be acceptable when power is available
          and the PHY allows for larger frames, but in traditional
          battery-operated 15.4 with ~ 80 bytes usable per frame, my
          experience from integrating 6LoWPAN HC with ISA100.11a says
          that all these extra bytes will be on the way of the 6TiSCH
          adoption. <u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        </div><div>Still, both RFC 6550 and RFC 6552 are
          designed to allow for an alternate technique and in particular
          for the use of the flow label, as is elaborated in
          <a rel=3D"nofollow" shape=3D"rect" href=3D"http://tools.ietf.org/=
html/draft-thubert-roll-flow-label-02" target=3D"_blank">http://tools.ietf.=
org/html/draft-thubert-roll-flow-label-02</a>
          . Using the flow label reduces the cost of the RPL information
          dramatically, down to a level that is probably acceptable for
          the target SDOs.<u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        <div>So my plan for now is to move the flow
          label draft to 6MAN and prepare for a hot season, and I=E2=80=99m
          looking for support from both 6TiSCH and ROLL to back me up
          from the start. =C2=A0Yes, you can help!
          <u></u><u></u></div><div>
        <div><u></u>=C2=A0<u></u></div>
        <div>Please +1 if you agree we need this work to
          happen, and/or provide any suggestion.<u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        </div><div>Cheers,<u></u><u></u></div>
        <div><u></u>=C2=A0<u></u></div>
        <div>Pascal<u></u><u></u></div>
      </div>
      <br clear=3D"none">
      <fieldset></fieldset>
      <br clear=3D"none">
      <pre>_______________________________________________
6tisch mailing list
<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:6tisch@ietf.org" target=
=3D"_blank">6tisch@ietf.org</a>
<a rel=3D"nofollow" shape=3D"rect" href=3D"https://www.ietf.org/mailman/lis=
tinfo/6tisch" target=3D"_blank">https://www.ietf.org/mailman/listinfo/6tisc=
h</a>
</pre>
    </blockquote>
    <br clear=3D"none">
  </div></div>


<br clear=3D"none">_______________________________________________<br clear=
=3D"none">
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<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:6tisch@ietf.org" target=
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<a rel=3D"nofollow" shape=3D"rect" href=3D"https://www.ietf.org/mailman/lis=
tinfo/6tisch" target=3D"_blank">https://www.ietf.org/mailman/listinfo/6tisc=
h</a><br clear=3D"none">
<br clear=3D"none"></blockquote></div><br clear=3D"none"><br clear=3D"all">=
<br clear=3D"none">-- <br clear=3D"none">DIEGO DUJOVNE<br clear=3D"none">Ac=
ad=C3=A9mico Escuela de Ingenier=C3=ADa en Inform=C3=A1tica y Telecomunicac=
iones<br clear=3D"none">

Facultad de Ingenier=C3=ADa UDP<br clear=3D"none"><a rel=3D"nofollow" shape=
=3D"rect" href=3D"http://www.ingenieria.udp.cl/" target=3D"_blank">www.inge=
nieria.udp.cl</a><br clear=3D"none">
<a href=3D"tel:%2856%202%29%20676%208125" value=3D"+15626768125" target=3D"=
_blank">(56 2) 676 8125</a><br clear=3D"none">
</div></div></div><br><div>_______________________________________________<=
br clear=3D"none">6tisch mailing list<br clear=3D"none"><a shape=3D"rect" h=
ref=3D"mailto:6tisch@ietf.org" target=3D"_blank">6tisch@ietf.org</a><br cle=
ar=3D"none">

<a shape=3D"rect" href=3D"https://www.ietf.org/mailman/listinfo/6tisch" tar=
get=3D"_blank">https://www.ietf.org/mailman/listinfo/6tisch</a><br clear=3D=
"none"></div><br><br></div>  </div> </div>  </div> </div></div></div></div>=
</div>
</div><br>
_______________________________________________<br>
Roll mailing list<br>
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<a href=3D"https://www.ietf.org/mailman/listinfo/roll" target=3D"_blank">ht=
tps://www.ietf.org/mailman/listinfo/roll</a><br>
<br></blockquote></div><br></div></div>
<br>_______________________________________________<br>
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<a href=3D"https://www.ietf.org/mailman/listinfo/6tisch" target=3D"_blank">=
https://www.ietf.org/mailman/listinfo/6tisch</a><br>
<br></blockquote></div><br></div>

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: "6man@ietf.org" <6man@ietf.org>
Thread-Topic: [6tisch] [Roll] Support of flow label to carry the RPL information in data packets
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Cc: "6tisch@ietf.org" <6tisch@ietf.org>, Ines Robles <mariainesrobles@googlemail.com>, roll <roll@ietf.org>, Brian E Carpenter <brian.e.carpenter@gmail.com>
Subject: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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Subject: Re: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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Hi, Pascal,

On 04/17/2014 11:27 AM, Pascal Thubert (pthubert) wrote:
> 
> Considering the support we have at 6TiSCH and ROLL for the work, I
> published draft-thubert-6man-flow-label-for-rpl-00.txt to the 6MAN WG.
> 
> The main discussion is probably to confirm whether our proposed use of
> the flow label inside the RPL domain is compatible with the goals that
> are achieved by RFC6437. Let us continue the discussion there from now on.

I just skimmed through the I-D. Two quick questions:

1) Does your document propose/require that the Flow Label be rewritten
by some border router? -- I ask because, at the time, there was strong
opposition to this.

2) Does the algorithm/scheme with which you'll rewrite the Flow-Label
lead to predictable sequences? And/or, would the resulting values have a
uniform distribution?

Thanks!

Best regards,
-- 
Fernando Gont
e-mail: fernando@gont.com.ar || fgont@si6networks.com
PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1




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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Fernando Gont <fernando@gont.com.ar>, "6man@ietf.org" <6man@ietf.org>
Thread-Topic: [6tisch] [Roll] Support of flow label to carry the RPL information in data packets
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Subject: Re: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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Hello Fernando

Thanks for your review, and we can certainly use some piece of advice from =
you here:

1) Yes, the idea is that leaves of a RPL network do not use the flow label.=
 Inside the RPL domain it is used to support RPL operations.=20
At the border router, which is a RPL root, it is finally set to the value t=
hat is visible in the Internet. I can expect some knee jerk about this prop=
osal but before rejecting in on some principle we must consider the benefit=
s in IoT applications, and whether the interests that the flow label serves=
 in the core can still be enabled with this proposal.

2) The draft did not finalize the way the Flow Label is computed in the Int=
ernet side. If we agree on the principle then we can work out the details.

To give you an idea, my mind is to compute classically a hash for a given f=
low.

The root is expected to have a policy that indicates whether the original s=
ource address is relevant or not in the identification of a flow (it is not=
 for a compound flow that we do not want to see separated in the Internet).=
 The instance ID that is in the original flow label is certainly relevant a=
nd is used in the hash computation. A random computed by the root at boot w=
ould be useful as well.

We expect few flows to emerge from a given RPL root, and even fewer from a =
given constrained device.
The random and the hash are really there to enable load balancing between f=
lows out of different backbone routers.


Cheers,

Pascal


> -----Original Message-----
> From: Fernando Gont [mailto:fernando@gont.com.ar]
> Sent: jeudi 17 avril 2014 16:49
> To: Pascal Thubert (pthubert); 6man@ietf.org
> Cc: 6tisch@ietf.org; Ines Robles; roll
> Subject: Re: [6tisch] [Roll] Support of flow label to carry the RPL infor=
mation
> in data packets
>=20
> Hi, Pascal,
>=20
> On 04/17/2014 11:27 AM, Pascal Thubert (pthubert) wrote:
> >
> > Considering the support we have at 6TiSCH and ROLL for the work, I
> > published draft-thubert-6man-flow-label-for-rpl-00.txt to the 6MAN WG.
> >
> > The main discussion is probably to confirm whether our proposed use of
> > the flow label inside the RPL domain is compatible with the goals that
> > are achieved by RFC6437. Let us continue the discussion there from now
> on.
>=20
> I just skimmed through the I-D. Two quick questions:
>=20
> 1) Does your document propose/require that the Flow Label be rewritten by
> some border router? -- I ask because, at the time, there was strong
> opposition to this.
>=20
> 2) Does the algorithm/scheme with which you'll rewrite the Flow-Label lea=
d
> to predictable sequences? And/or, would the resulting values have a
> uniform distribution?
>=20
> Thanks!
>=20
> Best regards,
> --
> Fernando Gont
> e-mail: fernando@gont.com.ar || fgont@si6networks.com PGP Fingerprint:
> 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1
>=20
>=20


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Date: Fri, 18 Apr 2014 08:31:30 +1200
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Subject: Re: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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Fernando,

On 18/04/2014 02:49, Fernando Gont wrote:
> Hi, Pascal,
> 
> On 04/17/2014 11:27 AM, Pascal Thubert (pthubert) wrote:
>> Considering the support we have at 6TiSCH and ROLL for the work, I
>> published draft-thubert-6man-flow-label-for-rpl-00.txt to the 6MAN WG.
>>
>> The main discussion is probably to confirm whether our proposed use of
>> the flow label inside the RPL domain is compatible with the goals that
>> are achieved by RFC6437. Let us continue the discussion there from now on.
> 
> I just skimmed through the I-D. Two quick questions:
> 
> 1) Does your document propose/require that the Flow Label be rewritten
> by some border router? -- I ask because, at the time, there was strong
> opposition to this.

It was of course contested, but we have to remember that the flow label
is an unauthenticated field, so our interpretation of it has to be
robust against altered values. RFC 6437 indeed covers the case where a
forwarding node sets the flow label.

> 2) Does the algorithm/scheme with which you'll rewrite the Flow-Label
> lead to predictable sequences? And/or, would the resulting values have a
> uniform distribution?

The same part of RFC 6437 does RECOMMEND a uniform distribution.

Also, the very first paragraph of RFC 6437 states that "a flow is not
necessarily 1:1 mapped to a transport connection", so there is reasonable
flexibility.

    Brian

> 
> Thanks!
> 
> Best regards,


From nobody Thu Apr 17 18:09:07 2014
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#150: draft-ietf-roll-security-threats-06 - Editorial comments

Changes (by mcr@sandelman.ca):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 Fixed in version: https://github.com/ietf-roll/security-
 threats/commit/91868a2a131313e4fbf45fda1bf0cfaefcb2fa78

-- 
---------------------------------------+-------------------------------
 Reporter:  mariainesrobles@gmail.com  |       Owner:  mcr@sandelman.ca
     Type:  defect                     |      Status:  closed
 Priority:  minor                      |   Milestone:
Component:  security-threats           |     Version:
 Severity:  In WG Last Call            |  Resolution:  fixed
 Keywords:                             |
---------------------------------------+-------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/roll/trac/ticket/150#comment:2>
roll <http://tools.ietf.org/wg/roll/>


From nobody Thu Apr 17 19:08:55 2014
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Date: Thu, 17 Apr 2014 19:43:44 -0300
From: Fernando Gont <fgont@si6networks.com>
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Cc: "6tisch@ietf.org" <6tisch@ietf.org>, "6man@ietf.org" <6man@ietf.org>, roll <roll@ietf.org>, Ines Robles <mariainesrobles@googlemail.com>
Subject: Re: [Roll] [6tisch] Support of flow label to carry the RPL information in data packets
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Hi, Brian,

On 04/17/2014 05:31 PM, Brian E Carpenter wrote:
>>
>> On 04/17/2014 11:27 AM, Pascal Thubert (pthubert) wrote:
>>> Considering the support we have at 6TiSCH and ROLL for the work, I
>>> published draft-thubert-6man-flow-label-for-rpl-00.txt to the 6MAN WG.
>>>
>>> The main discussion is probably to confirm whether our proposed use of
>>> the flow label inside the RPL domain is compatible with the goals that
>>> are achieved by RFC6437. Let us continue the discussion there from now on.
>>
>> I just skimmed through the I-D. Two quick questions:
>>
>> 1) Does your document propose/require that the Flow Label be rewritten
>> by some border router? -- I ask because, at the time, there was strong
>> opposition to this.
> 
> It was of course contested, but we have to remember that the flow label
> is an unauthenticated field, so our interpretation of it has to be
> robust against altered values. RFC 6437 indeed covers the case where a
> forwarding node sets the flow label.

FWIW, I was just asking to get an overall/quick understanding of where
they wanted to go, and contrast that where 6man seemed to want to go at
the time. Just that. IHMO, if the point/use case is valid, we should
"evaluate" their proposal (i.e., by no means I was meaning "6man doesn't
like that, forget it".)


>> 2) Does the algorithm/scheme with which you'll rewrite the Flow-Label
>> lead to predictable sequences? And/or, would the resulting values have a
>> uniform distribution?
> 
> The same part of RFC 6437 does RECOMMEND a uniform distribution.

Agreed. Again, I was checking the extent to which they might be
deviating from that was set here.

Thanks,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492





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Subject: Re: [Roll] [roll] #142 (applicability-home-building): Clarification of secure key distribution
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#142: Clarification of secure key distribution


Comment (by mariainesrobles@gmail.com):

 Comment from Catherine Meadows  -  04/22/2014

 "Section 6.3 looks fine to me, except under secure delivery you should
 still say something about replay protection, e.g.

 Securely delivering a key means that the delivery mechanism MUST have
 data origin authentication, confidentiality and integrity protection, and
 protection against replay."

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |       Owner:  draft-ietf-roll-
  yvonneanne.pignolet@gmail.com      |  applicability-home-
     Type:  defect                   |  building@tools.ietf.org
 Priority:  minor                    |      Status:  new
Component:  applicability-home-      |   Milestone:
  building                           |     Version:
 Severity:  Active WG Document       |  Resolution:
 Keywords:                           |
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/roll/trac/ticket/142#comment:2>
roll <http://tools.ietf.org/wg/roll/>


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Subject: Re: [Roll] [roll] #144 (applicability-home-building): Missing discussion of link encryption and group keys
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#144: Missing discussion of link encryption and group keys


Comment (by mariainesrobles@gmail.com):

 Catherine Meadows comment - 04/22/2014

 "My comment had been that a comparison of link and group key encryption
 was needed.  It looks like
 what you have instead is a summary of the recommended practice for
 wireless/mesh networks, which is to
 use link encryption in which all links are encrypted with the same key,
 which is also used for authentication,
 so that unauthorized nodes can’t join the network, with reference to the
 appropriate RFC’s.  That is fine.

 I had another comment about the danger of having critical components (e.g.
 burglar alarms) sharing keys with non-critical and
 easily misplaced components (such as remotes).  But that is really
 irrelevant to whether you are using link encryption or group keys.  It
 would be better in such a situation to have the two components on separate
 networks.  This is now touched upon in the Deployment Scenario
 Section (last paragraph before 2.1), so I don’t see any reason to bring it
 up here.  However, you might want to mention in the last paragraph
 before 2.1 that having non-critical functions such as gaming on a separate
 network from the control is also a good idea from the point of view
 of security and reliability of the control network.

 Nits:

 Section 6.1

 Wireless networks are typically secured at the link-layer to prevent
    unauthorized parties to access

 should be

 Wireless networks are typically secured at the link-layer in order to
 prevent
    unauthorized parties from accessing"

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |       Owner:  draft-ietf-roll-
  yvonneanne.pignolet@gmail.com      |  applicability-home-
     Type:  defect                   |  building@tools.ietf.org
 Priority:  major                    |      Status:  new
Component:  applicability-home-      |   Milestone:
  building                           |     Version:
 Severity:  Active WG Document       |  Resolution:
 Keywords:  Security Review          |
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/roll/trac/ticket/144#comment:2>
roll <http://tools.ietf.org/wg/roll/>


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Subject: Re: [Roll] Support of flow label to carry the RPL information in data	packets
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+1

From: Roll [mailto:roll-bounces@ietf.org] On Behalf Of Pascal Thubert (pthu=
bert)
Sent: Dienstag, 15. April 2014 16:25
To: 6tisch@ietf.org; roll
Subject: [Roll] Support of flow label to carry the RPL information in data =
packets

Dear all:

As some of you remember, the RPL specification has changed over time WRT to=
 the location of the information that RPL places in the data packets. We st=
arted with the flow label but these were the days when what became RFC 6437=
 was being defined at 6MAN, so we shied away and defined the HbH technique =
that is now specified as RFC 6553.

We'll note that the RPL option defined in RFC 6553 takes 6 octets, and with=
 the HbH hdr we end up with 8 extra octets. An extra IP-in-IP encapsulation=
 is required on top of that unless both endpoints are in the same RPL domai=
n. All this overhead may be acceptable when power is available and the PHY =
allows for larger frames, but in traditional battery-operated 15.4 with ~ 8=
0 bytes usable per frame, my experience from integrating 6LoWPAN HC with IS=
A100.11a says that all these extra bytes will be on the way of the 6TiSCH a=
doption.

Still, both RFC 6550 and RFC 6552 are designed to allow for an alternate te=
chnique and in particular for the use of the flow label, as is elaborated i=
n http://tools.ietf.org/html/draft-thubert-roll-flow-label-02 . Using the f=
low label reduces the cost of the RPL information dramatically, down to a l=
evel that is probably acceptable for the target SDOs.

So my plan for now is to move the flow label draft to 6MAN and prepare for =
a hot season, and I'm looking for support from both 6TiSCH and ROLL to back=
 me up from the start.  Yes, you can help!

Please +1 if you agree we need this work to happen, and/or provide any sugg=
estion.

Cheers,

Pascal

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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">&#43;1 <o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b>From:</b> Roll [mailto:roll-bounces@ietf.org] <b>=
On Behalf Of
</b>Pascal Thubert (pthubert)<br>
<b>Sent:</b> Dienstag, 15. April 2014 16:25<br>
<b>To:</b> 6tisch@ietf.org; roll<br>
<b>Subject:</b> [Roll] Support of flow label to carry the RPL information i=
n data packets<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Dear all:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">As some of you remember, the RPL specification has c=
hanged over time WRT to the location of the information that RPL places in =
the data packets. We started with the flow label but these were the days wh=
en what became RFC 6437 was being
 defined at 6MAN, so we shied away and defined the HbH technique that is no=
w specified as RFC 6553.
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">We&#8217;ll note that the RPL option defined in RFC =
6553 takes 6 octets, and with the HbH hdr we end up with 8 extra octets. An=
 extra IP-in-IP encapsulation is required on top of that unless both endpoi=
nts are in the same RPL domain. All this
 overhead may be acceptable when power is available and the PHY allows for =
larger frames, but in traditional battery-operated 15.4 with ~ 80 bytes usa=
ble per frame, my experience from integrating 6LoWPAN HC with ISA100.11a sa=
ys that all these extra bytes will
 be on the way of the 6TiSCH adoption. <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Still, both RFC 6550 and RFC 6552 are designed to al=
low for an alternate technique and in particular for the use of the flow la=
bel, as is elaborated in
<a href=3D"http://tools.ietf.org/html/draft-thubert-roll-flow-label-02">htt=
p://tools.ietf.org/html/draft-thubert-roll-flow-label-02</a> . Using the fl=
ow label reduces the cost of the RPL information dramatically, down to a le=
vel that is probably acceptable for
 the target SDOs.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">So my plan for now is to move the flow label draft t=
o 6MAN and prepare for a hot season, and I&#8217;m looking for support from=
 both 6TiSCH and ROLL to back me up from the start. &nbsp;Yes, you can help=
!
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Please &#43;1 if you agree we need this work to happ=
en, and/or provide any suggestion.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Cheers,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Pascal<o:p></o:p></p>
</div>
</body>
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--_000_3f7c68ebd0a54675b4d5337ab6def524DB4PR06MB047eurprd06pro_--


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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: "6tisch@ietf.org" <6tisch@ietf.org>
Thread-Topic: Agenda webex 25 April 2014
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Subject: [Roll] Agenda webex 25 April 2014
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Dear All,

For today's call I'm cc'ing 6lo and ROLL since we'll be discussing a possib=
ility to make a joined plugfest in Toronto.

Below is the proposed agenda for this call:
Agenda

  *   Administrivia [10 min]
     *   Approval agenda
     *   Approval minutes last call
     *   IETF 90 in Toronto: Registration opened;
     *   PlugFest ?
     *   draft-sudhaakar-6tisch-coap last call complete
  *   6MAN: draft-thubert-6man-flow-label-for-rpl [10min]
  *   Status on 6top discussions [10min]
  *   Terminology discussion [20min]
  *   Next meetings [2min]
  *   AOB [1min]

You will find the details of the call including slides etc at https://bitbu=
cket.org/6tisch/meetings/wiki/140425_webex

Feel free to propose any changes to the agenda by replying in this e-mail, =
or at the beginning of the call.

Remember that this call will be recorded.

Pascal & Thomas

----

Topic: 6TiSCH Bi-Weekly

Time: 8:00 am, Pacific Daylight Time (San Francisco, GMT-07:00)
Meeting Number: 206 802 913
Meeting Password: sixtus

-------------------------------------------------------
To start the online meeting
-------------------------------------------------------

1. Go to https://ciscosales.webex.com/ciscosales/j.php?ED=3D219615007&UID=
=3D481905242&PW=3DNZTRkNDAwOTE1&RT=3DMiMyMw%3D%3D
2. Log in to your account.
3. Click "Start Now".
4. Follow the instructions that appear on your screen.

----------------------------------------------------------------
ALERT:Toll-Free Dial Restrictions for (408) and (919) Area Codes
----------------------------------------------------------------

The affected toll free numbers are: (866) 432-9903 for the San Jose/Milpita=
s area and (866) 349-3520 for the RTP area.

Please dial the local access number for your area from the list below:
- San Jose/Milpitas (408) area: 525-6800
- RTP (919) area: 392-3330

-------------------------------------------------------
To join the teleconference only
-------------------------------------------------------

1. Dial into Cisco WebEx (view all Global Access Numbers at
http://cisco.com/en/US/about/doing_business/conferencing/index.html
2. Follow the prompts to enter the Meeting Number (listed above) or Access =
Code followed by the # sign.

San Jose, CA: +1.408.525.6800 RTP: +1.919.392.3330
US/Canada: +1.866.432.9903 United Kingdom: +44.20.8824.0117
India: +91.80.4350.1111 Germany: +49.619.6773.9002
Japan: +81.3.5763.9394 China: +86.10.8515.5666

To check whether you have the appropriate players installed for UCF (Univer=
sal Communications Format) rich media files, go to https://ciscosales.webex=
.com/ciscosales/systemdiagnosis.php

http://www.webex.com

CCM:+14085256800x206802913



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</head>
<body lang=3D"EN-US" link=3D"blue" vlink=3D"purple">
<div class=3D"WordSection1">
<p class=3D"MsoNormal">Dear All,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">For today&#8217;s call I&#8217;m cc&#8217;ing 6lo an=
d ROLL since we&#8217;ll be discussing a possibility to make a joined plugf=
est in Toronto.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Below is the proposed agenda for this call:<o:p></o:=
p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><b><span style=3D"font-size:16.0pt">Agenda<o:p></o:p></span></b></=
p>
<ul type=3D"disc">
<li class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-=
alt:auto;mso-list:l1 level1 lfo3">
Administrivia [10 min]<o:p></o:p>
<ul type=3D"circle">
<li class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-=
alt:auto;mso-list:l1 level2 lfo3">
Approval agenda<o:p></o:p></li><li class=3D"MsoNormal" style=3D"mso-margin-=
top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo3">
Approval minutes last call <o:p></o:p></li><li class=3D"MsoNormal" style=3D=
"mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo3=
">
IETF 90 in Toronto: Registration opened; <o:p></o:p></li><li class=3D"MsoNo=
rmal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:=
l1 level2 lfo3">
PlugFest ?<o:p></o:p></li><li class=3D"MsoNormal" style=3D"mso-margin-top-a=
lt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo3">
draft-sudhaakar-6tisch-coap last call complete<o:p></o:p></li></ul>
</li><li class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bo=
ttom-alt:auto;mso-list:l1 level1 lfo3">
6MAN: draft-thubert-6man-flow-label-for-rpl [10min]<o:p></o:p></li><li clas=
s=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-alt:auto=
;mso-list:l1 level1 lfo3">
Status on 6top discussions [10min]<o:p></o:p></li><li class=3D"MsoNormal" s=
tyle=3D"mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 leve=
l1 lfo3">
Terminology discussion [20min] <o:p></o:p></li><li class=3D"MsoNormal" styl=
e=3D"mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 =
lfo3">
Next meetings [2min]<o:p></o:p></li><li class=3D"MsoNormal" style=3D"mso-ma=
rgin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo3">
AOB <i>[1min]</i><o:p></o:p></li></ul>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">You will find the details of the call including slid=
es etc at
<span style=3D"color:red"><a href=3D"https://bitbucket.org/6tisch/meetings/=
wiki/140425_webex">https://bitbucket.org/6tisch/meetings/wiki/140425_webex<=
/a>
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Feel free to propose any changes to the agenda by re=
plying in this e-mail, or at the beginning of the call.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Remember that this call will be recorded.<o:p></o:p>=
</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Pascal &amp; Thomas<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">----<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Topic: 6TiSCH Bi-Weekly<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Time: 8:00 am, Pacific Daylight Time (San Francisco,=
 GMT-07:00)<o:p></o:p></p>
<p class=3D"MsoNormal">Meeting Number: 206 802 913<o:p></o:p></p>
<p class=3D"MsoNormal">Meeting Password: sixtus<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">----------------------------------------------------=
---<o:p></o:p></p>
<p class=3D"MsoNormal">To start the online meeting<o:p></o:p></p>
<p class=3D"MsoNormal">----------------------------------------------------=
---<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">1. Go to <a href=3D"https://ciscosales.webex.com/cis=
cosales/j.php?ED=3D219615007&amp;UID=3D481905242&amp;PW=3DNZTRkNDAwOTE1&amp=
;RT=3DMiMyMw%3D%3D">
https://ciscosales.webex.com/ciscosales/j.php?ED=3D219615007&amp;UID=3D4819=
05242&amp;PW=3DNZTRkNDAwOTE1&amp;RT=3DMiMyMw%3D%3D</a><o:p></o:p></p>
<p class=3D"MsoNormal">2. Log in to your account.<o:p></o:p></p>
<p class=3D"MsoNormal">3. Click &quot;Start Now&quot;.<o:p></o:p></p>
<p class=3D"MsoNormal">4. Follow the instructions that appear on your scree=
n.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">----------------------------------------------------=
------------<o:p></o:p></p>
<p class=3D"MsoNormal">ALERT:Toll-Free Dial Restrictions for (408) and (919=
) Area Codes<o:p></o:p></p>
<p class=3D"MsoNormal">----------------------------------------------------=
------------<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The affected toll free numbers are: (866) 432-9903 f=
or the San Jose/Milpitas area and (866) 349-3520 for the RTP area.<o:p></o:=
p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Please dial the local access number for your area fr=
om the list below:<o:p></o:p></p>
<p class=3D"MsoNormal">- San Jose/Milpitas (408) area: 525-6800<o:p></o:p><=
/p>
<p class=3D"MsoNormal">- RTP (919) area: 392-3330<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">----------------------------------------------------=
---<o:p></o:p></p>
<p class=3D"MsoNormal">To join the teleconference only<o:p></o:p></p>
<p class=3D"MsoNormal">----------------------------------------------------=
---<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">1. Dial into Cisco WebEx (view all Global Access Num=
bers at<o:p></o:p></p>
<p class=3D"MsoNormal"><a href=3D"http://cisco.com/en/US/about/doing_busine=
ss/conferencing/index.html">http://cisco.com/en/US/about/doing_business/con=
ferencing/index.html</a><o:p></o:p></p>
<p class=3D"MsoNormal">2. Follow the prompts to enter the Meeting Number (l=
isted above) or Access Code followed by the # sign.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">San Jose, CA: &#43;1.408.525.6800 RTP: &#43;1.919.39=
2.3330<o:p></o:p></p>
<p class=3D"MsoNormal">US/Canada: &#43;1.866.432.9903 United Kingdom: &#43;=
44.20.8824.0117<o:p></o:p></p>
<p class=3D"MsoNormal">India: &#43;91.80.4350.1111 Germany: &#43;49.619.677=
3.9002<o:p></o:p></p>
<p class=3D"MsoNormal">Japan: &#43;81.3.5763.9394 China: &#43;86.10.8515.56=
66<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">To check whether you have the appropriate players in=
stalled for UCF (Universal Communications Format) rich media files, go to
<a href=3D"https://ciscosales.webex.com/ciscosales/systemdiagnosis.php">htt=
ps://ciscosales.webex.com/ciscosales/systemdiagnosis.php</a><o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><a href=3D"http://www.webex.com">http://www.webex.co=
m</a><o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">CCM:&#43;14085256800x206802913<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</body>
</html>

--_000_E045AECD98228444A58C61C200AE1BD84261AF90xmbrcdx01ciscoc_--


From nobody Mon Apr 28 12:54:13 2014
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Cc: roll@ietf.org
Subject: Re: [Roll] [roll] #142 (applicability-home-building): Clarification of secure key distribution
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#142: Clarification of secure key distribution


Comment (by mariainesrobles@gmail.com):

 Robert Cragie comment - date: 04/23/2014

 <RCC>

 It may seem a moot point but it is not essential for the *delivery
 mechanism* to have replay protection. A key management scheme itself
 clearly has to be able to manage the lifetime of keys including deployment
 and retirement. Therefore, for example, a group key is always associated
 with a key index or sequence number, which is typically part of the
 payload of a secure key update. Therefore, if this were replayed, it would
 implicitly not work as the key index would clearly be for an old key. The
 main reason I say this is because key wrapping schemes (e.g. RFC3394)
 often do not build in replay protection and RFC3394 indeed states the
 following: "This key wrap algorithm needs to provide ample security to
 protect keys in the context of prudently designed key management
 architecture."

 Therefore, I would prefer to add a sentence to the same effect, just not
 to associate it with the delivery mechanism. So I would suggest something
 like:

 "Securely delivering a key means that the delivery mechanism MUST have
 data origin authentication, confidentiality and integrity protection. On
 reception of the delivered key, freshness of the delivered key MUST be
 ensured."

 </RCC>

 Catherine Meadows comment  - 04/24/2014

 <CM> I am fine with all of Robert’s comments.</CM>

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |       Owner:  draft-ietf-roll-
  yvonneanne.pignolet@gmail.com      |  applicability-home-
     Type:  defect                   |  building@tools.ietf.org
 Priority:  minor                    |      Status:  new
Component:  applicability-home-      |   Milestone:
  building                           |     Version:
 Severity:  Active WG Document       |  Resolution:
 Keywords:                           |
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/roll/trac/ticket/142#comment:3>
roll <http://tools.ietf.org/wg/roll/>


From nobody Mon Apr 28 12:55:49 2014
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Subject: Re: [Roll] [roll] #144 (applicability-home-building): Missing discussion of link encryption and group keys
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#144: Missing discussion of link encryption and group keys


Comment (by mariainesrobles@gmail.com):

 Robert Cragie comment - date: 04/23/2014

 <RCC>

 I agree and would propose the following change to the last two paragraphs
 of section 2 (note a couple of grammar/typo changes too):

 "In building control, the infrastructure of the building management
 network can be shared with the security/access, the IP telephony, and the
 fire/alarm networks.  This approach has a positive impact on the operation
 and cost of the network; however, care should be taken to ensure that the
 availability of the building management network does not become
 compromised beyond the ability for critical functions to perform
 adequately.

 In homes, the network for audio/video streaming and gaming has different
 requirements, where the most important one is the high need in bandwidth
 for entertainment not needed for control.  It is expected that the
 entertainment network in the home will mostly be separate from the control
 network, which also lessens the impact on availability of the control
 network."

 </RCC>


 “Nits: ….Section 6.1 “

 <RCC>Agreed</RCC>

 Catherine Meadows comment  - 04/24/2014

 <CM> I am fine with all of Robert’s comments.</CM>

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |       Owner:  draft-ietf-roll-
  yvonneanne.pignolet@gmail.com      |  applicability-home-
     Type:  defect                   |  building@tools.ietf.org
 Priority:  major                    |      Status:  new
Component:  applicability-home-      |   Milestone:
  building                           |     Version:
 Severity:  Active WG Document       |  Resolution:
 Keywords:  Security Review          |
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/roll/trac/ticket/144#comment:3>
roll <http://tools.ietf.org/wg/roll/>


From nobody Wed Apr 30 03:16:39 2014
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Subject: Re: [Roll] [roll] #142 (applicability-home-building): Clarification of secure key distribution
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#142: Clarification of secure key distribution

Changes (by consultancy@vanderstok.org):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 Robert's text inserted in version 3

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |       Owner:  draft-ietf-roll-
  yvonneanne.pignolet@gmail.com      |  applicability-home-
     Type:  defect                   |  building@tools.ietf.org
 Priority:  minor                    |      Status:  closed
Component:  applicability-home-      |   Milestone:
  building                           |     Version:
 Severity:  Active WG Document       |  Resolution:  fixed
 Keywords:                           |
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/roll/trac/ticket/142#comment:4>
roll <http://tools.ietf.org/wg/roll/>


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#144: Missing discussion of link encryption and group keys

Changes (by consultancy@vanderstok.org):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 Robert's text inserted in version 3

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |       Owner:  draft-ietf-roll-
  yvonneanne.pignolet@gmail.com      |  applicability-home-
     Type:  defect                   |  building@tools.ietf.org
 Priority:  major                    |      Status:  closed
Component:  applicability-home-      |   Milestone:
  building                           |     Version:
 Severity:  Active WG Document       |  Resolution:  fixed
 Keywords:  Security Review          |
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/roll/trac/ticket/144#comment:4>
roll <http://tools.ietf.org/wg/roll/>