MPLScon 2006 Call for Presentations

From l2vpn-bounces@ietf.org Thu Oct 06 17:26:39 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ENdGB-0001XM-1S; Thu, 06 Oct 2005 17:26:39 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ENdG9-0001Vc-Ge; Thu, 06 Oct 2005 17:26:37 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA17664; Thu, 6 Oct 2005 17:26:34 -0400 (EDT) Received: from bgslc11.burtongroup.com ([63.99.125.13]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ENdPJ-00017W-La; Thu, 06 Oct 2005 17:36:06 -0400 Received: bgslc11.burtongroup.com 63.99.125.13 from 216.151.229.244 216.151.229.244 via HTTP with MS-WebStorage 6.0.6249 User-Agent: Microsoft-Entourage/11.2.0.050811 Date: Thu, 06 Oct 2005 17:26:27 -0400 From: Irwin Lazar To: L2VPN , , Message-ID: Thread-Topic: MPLScon 2006 Call for Presentations Thread-Index: AcXKu/eANlXMXjavEdqPbQAKlZoW5AAAESIRAAAX/to= In-Reply-To: Mime-version: 1.0 Content-type: multipart/alternative; boundary="B_3211464387_11045571" X-Spam-Score: 0.5 (/) X-Scan-Signature: cab78e1e39c4b328567edb48482b6a69 Cc: Subject: MPLScon 2006 Call for Presentations X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3211464387_11045571 Content-type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit The Call for Presentations for MPLScon 2006 is now available at http://www.mplscon.com/speaker/submit_pres.html MPLScon 2006 takes place May 22-26 in New York City. Please see the above web site for additional details or contact me with any questions regarding speaking at the event. Irwin --B_3211464387_11045571 Content-type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable MPLScon 2006 Call for Presentations The C= all for Presentations for MPLScon 2006 is now available at http://www.mplscon.com/speaker/subm= it_pres.html

MPLScon 2006 takes place May 22-26 in New York City. Please see the a= bove web site for additional details or contact me with any questions regard= ing speaking at the event.

Irwin
--B_3211464387_11045571-- From l2vpn-bounces@ietf.org Thu Oct 13 11:18:42 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EQ4qw-0003cu-1h; Thu, 13 Oct 2005 11:18:42 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EQ4qu-0003ch-CL for l2vpn@megatron.ietf.org; Thu, 13 Oct 2005 11:18:40 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id LAA23298 for ; Thu, 13 Oct 2005 11:18:36 -0400 (EDT) Received: from auds951.usa.alcatel.com ([143.209.238.80]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EQ51Q-0006WB-Sy for l2vpn@ietf.org; Thu, 13 Oct 2005 11:29:34 -0400 Received: from mvrelay.mv.usa.alcatel.com (localhost [127.0.0.1]) by auds951.usa.alcatel.com (8.12.10/8.12.10) with ESMTP id j9DFISgJ029898 for ; Thu, 13 Oct 2005 10:18:29 -0500 (CDT) Received: from vkompellaxp (localhost [127.0.0.1]) by mvrelay.mv.usa.alcatel.com (8.12.10/8.12.10) with ESMTP id j9DFIWn7000072 for ; Thu, 13 Oct 2005 08:18:33 -0700 (PDT) From: "Vach Kompella" To: Date: Thu, 13 Oct 2005 08:16:31 -0700 Message-ID: <007e01c5d009$179a7a10$cab816ac@eng.timetra.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4024 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 Importance: Normal X-Spam-Score: 0.0 (/) X-Scan-Signature: 7aefe408d50e9c7c47615841cb314bed Content-Transfer-Encoding: 7bit Subject: IETF slots for Vancouver X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Folks, Re-iterating a call for agenda items for Vancouver: please send us (Shane & Vach) the topic and how long a time slot you need. Thanks. Shane & Vach From l2vpn-bounces@ietf.org Thu Oct 13 11:24:46 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EQ4wo-0006Lf-2Z; Thu, 13 Oct 2005 11:24:46 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EQ4wl-0006KF-WA for l2vpn@megatron.ietf.org; Thu, 13 Oct 2005 11:24:44 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id LAA23687 for ; Thu, 13 Oct 2005 11:24:40 -0400 (EDT) Received: from auds951.usa.alcatel.com ([143.209.238.80]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EQ57I-0006hr-Hl for l2vpn@ietf.org; Thu, 13 Oct 2005 11:35:37 -0400 Received: from mvrelay.mv.usa.alcatel.com (localhost [127.0.0.1]) by auds951.usa.alcatel.com (8.12.10/8.12.10) with ESMTP id j9DFOXgJ002815 for ; Thu, 13 Oct 2005 10:24:33 -0500 (CDT) Received: from vkompellaxp (localhost [127.0.0.1]) by mvrelay.mv.usa.alcatel.com (8.12.10/8.12.10) with ESMTP id j9DFObn7000091 for ; Thu, 13 Oct 2005 08:24:37 -0700 (PDT) From: "Vach Kompella" To: Date: Thu, 13 Oct 2005 08:22:35 -0700 Message-ID: <007f01c5d009$f0bb7fb0$cab816ac@eng.timetra.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4024 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 Importance: Normal X-Spam-Score: 0.0 (/) X-Scan-Signature: 30ac594df0e66ffa5a93eb4c48bcb014 Content-Transfer-Encoding: quoted-printable Subject: draft-kamite-l2vpn-vpls-mcast-reqmts X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org We've heard mostly positives on draft-kamite-l2vpn-vpls-mcast-reqmts becoming a WG draft. We're going to ask Mustapha to send this in as a -00 WG document, and let Neil work out his dissenting opinion with the authors and other WG members who support the draft. Thanks. Shane & Vach From l2vpn-bounces@ietf.org Thu Oct 13 11:24:51 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EQ4wt-0006OQ-MD; Thu, 13 Oct 2005 11:24:51 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EQ4ws-0006OL-Nw for l2vpn@megatron.ietf.org; Thu, 13 Oct 2005 11:24:50 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id LAA23698 for ; Thu, 13 Oct 2005 11:24:47 -0400 (EDT) Received: from auds952.usa.alcatel.com ([143.209.238.7]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EQ57P-0006hw-87 for l2vpn@ietf.org; Thu, 13 Oct 2005 11:35:44 -0400 Received: from mvrelay.mv.usa.alcatel.com (localhost [127.0.0.1]) by auds952.usa.alcatel.com (8.12.10/8.12.10) with ESMTP id j9DFOaWm023217 for ; Thu, 13 Oct 2005 10:24:36 -0500 (CDT) Received: from vkompellaxp (localhost [127.0.0.1]) by mvrelay.mv.usa.alcatel.com (8.12.10/8.12.10) with ESMTP id j9DFObn8000091 for ; Thu, 13 Oct 2005 08:24:37 -0700 (PDT) From: "Vach Kompella" To: Date: Thu, 13 Oct 2005 08:22:35 -0700 Message-ID: <008001c5d009$f0d80860$cab816ac@eng.timetra.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4024 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 Importance: Normal X-Spam-Score: 0.0 (/) X-Scan-Signature: 08e48e05374109708c00c6208b534009 Content-Transfer-Encoding: quoted-printable Subject: draft-kamite-l2vpn-vpls-mcast-reqmts X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org We've heard only positives on draft-kamite-l2vpn-vpls-mcast-reqmts becoming a WG doc, so we're asking Yuji et al to resubmit this as a -00 WG document. Thanks. Shane & Vach From l2vpn-bounces@ietf.org Thu Oct 13 11:51:01 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EQ5MD-0005tt-S0; Thu, 13 Oct 2005 11:51:01 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EQ5MB-0005rq-VN for l2vpn@megatron.ietf.org; Thu, 13 Oct 2005 11:50:59 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id LAA25122 for ; Thu, 13 Oct 2005 11:50:56 -0400 (EDT) Received: from auds951.usa.alcatel.com ([143.209.238.80]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EQ5Wh-0007SH-Lp for l2vpn@ietf.org; Thu, 13 Oct 2005 12:01:53 -0400 Received: from mvrelay.mv.usa.alcatel.com (localhost [127.0.0.1]) by auds951.usa.alcatel.com (8.12.10/8.12.10) with ESMTP id j9DFolgJ013777; Thu, 13 Oct 2005 10:50:47 -0500 (CDT) Received: from vkompellaxp (localhost [127.0.0.1]) by mvrelay.mv.usa.alcatel.com (8.12.10/8.12.10) with ESMTP id j9DFoon7000181; Thu, 13 Oct 2005 08:50:51 -0700 (PDT) From: "Vach Kompella" To: "'Vach Kompella'" , Date: Thu, 13 Oct 2005 08:48:49 -0700 Message-ID: <00af01c5d00d$9ac76c00$cab816ac@eng.timetra.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4024 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 In-reply-to: <007f01c5d009$f0bb7fb0$cab816ac@eng.timetra.com> Importance: Normal X-Spam-Score: 0.0 (/) X-Scan-Signature: 97adf591118a232206bdb5a27b217034 Content-Transfer-Encoding: quoted-printable Cc: Subject: draft-aissaoui-l2vpn-vpws-iw-oam [was draft-kamite-l2vpn-vpls-mcast-reqmts] X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Pardon the cut-and-paste error. Both draft-kamite and draft-aissaoui to WG -00 document status. What I meant to say was: We've heard mostly positives on ***draft-aissaoui-l2vpn-vpws-iw-oam*** becoming a WG draft. We're going to ask Mustapha to send this in as a -00 WG document, and let Neil work out his dissenting opinion with the authors and other WG members who support the draft. Thanks. -Vach=20 > -----Original Message----- > From: l2vpn-bounces@ietf.org [mailto:l2vpn-bounces@ietf.org]=20 > On Behalf Of Vach Kompella > Sent: Thursday, October 13, 2005 8:23 AM > To: l2vpn@ietf.org > Subject: draft-kamite-l2vpn-vpls-mcast-reqmts >=20 >=20 > We've heard mostly positives on draft-kamite-l2vpn-vpls-mcast-reqmts > becoming a WG draft. We're going to ask Mustapha to send=20 > this in as a -00 WG document, and let Neil work out his=20 > dissenting opinion with the authors and other WG members who=20 > support the draft. >=20 > Thanks. >=20 > Shane & Vach >=20 >=20 From l2vpn-bounces@ietf.org Tue Oct 18 15:37:48 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ERxHQ-0001if-DS; Tue, 18 Oct 2005 15:37:48 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ERxHO-0001iX-HH for l2vpn@megatron.ietf.org; Tue, 18 Oct 2005 15:37:46 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA23844 for ; Tue, 18 Oct 2005 15:37:38 -0400 (EDT) Received: from cat.tcb.net ([64.78.150.134] helo=dog.tcb.net) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ERxSx-0008Cn-E1 for l2vpn@ietf.org; Tue, 18 Oct 2005 15:49:44 -0400 Received: from [127.0.0.1] (dog.tcb.net [64.78.150.133]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by dog.tcb.net (Postfix) with ESMTP id 209FA64351 for ; Tue, 18 Oct 2005 13:37:19 -0600 (MDT) Message-ID: <43554EF0.5080700@castlepoint.net> Date: Tue, 18 Oct 2005 13:37:20 -0600 From: Shane Amante User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050716) X-Accept-Language: en-us, en MIME-Version: 1.0 To: l2vpn@ietf.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Scan-Signature: 7bac9cb154eb5790ae3b2913587a40de Content-Transfer-Encoding: 7bit Subject: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Folks, Please voice your opinion and comment on whether this draft should become a L2VPN WG document. There has been good support for it becoming a WG document at the last IETF. This draft is important because it defines the procedures for supporting Multicast Trees over VPLS. Please let us know your opinion and comments by Tuesday, 10/25. Vach & Shane From l2vpn-bounces@ietf.org Wed Oct 19 15:50:12 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESJwy-0002iX-4w; Wed, 19 Oct 2005 15:50:12 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESJwp-0002b0-Jd; Wed, 19 Oct 2005 15:50:03 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA09500; Wed, 19 Oct 2005 15:49:53 -0400 (EDT) Received: from [132.151.6.50] (helo=newodin.ietf.org) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ESK8c-0006kV-3a; Wed, 19 Oct 2005 16:02:14 -0400 Received: from mlee by newodin.ietf.org with local (Exim 4.43) id 1ESJwn-00060Q-PY; Wed, 19 Oct 2005 15:50:01 -0400 Content-Type: Multipart/Mixed; Boundary="NextPart" Mime-Version: 1.0 To: i-d-announce@ietf.org From: Internet-Drafts@ietf.org Message-Id: Date: Wed, 19 Oct 2005 15:50:01 -0400 X-Spam-Score: 0.4 (/) X-Scan-Signature: 31247fb3be228bb596db9127becad0bc Cc: l2vpn@ietf.org Subject: I-D ACTION:draft-ietf-l2vpn-vpws-iw-oam-00.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Layer 2 Virtual Private Networks Working Group of the IETF. Title : OAM Procedures for VPWS Interworking Author(s) : M. Aissaoui, et al. Filename : draft-ietf-l2vpn-vpws-iw-oam-00.txt Pages : 24 Date : 2005-10-19 This draft proposes OAM procedures for the Ethernet interworking, IP interworking and FR-ATM interworking Virtual Private Wire Service (VPWS). A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-l2vpn-vpws-iw-oam-00.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request@ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-l2vpn-vpws-iw-oam-00.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-l2vpn-vpws-iw-oam-00.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2005-10-19111641.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-l2vpn-vpws-iw-oam-00.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-l2vpn-vpws-iw-oam-00.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2005-10-19111641.I-D@ietf.org> --OtherAccess-- --NextPart-- From l2vpn-bounces@ietf.org Thu Oct 20 07:54:40 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESZ0K-0000cA-Qg; Thu, 20 Oct 2005 07:54:40 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESZ0J-0000c5-LJ for l2vpn@megatron.ietf.org; Thu, 20 Oct 2005 07:54:39 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA05738 for ; Thu, 20 Oct 2005 07:54:30 -0400 (EDT) Received: from p-mail1.rd.francetelecom.com ([195.101.245.15]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ESZCE-0005iv-LZ for l2vpn@ietf.org; Thu, 20 Oct 2005 08:07:00 -0400 Received: from ftrdmel10.rd.francetelecom.fr ([10.193.117.156]) by ftrdsmtp1.rd.francetelecom.fr with Microsoft SMTPSVC(6.0.3790.211); Thu, 20 Oct 2005 13:54:35 +0200 Received: from l-8613.rd.francetelecom.fr ([10.193.15.36]) by ftrdmel10.rd.francetelecom.fr with Microsoft SMTPSVC(6.0.3790.211); Thu, 20 Oct 2005 13:54:35 +0200 From: Thomas Morin To: Shane Amante In-Reply-To: <43554EF0.5080700@castlepoint.net> References: <43554EF0.5080700@castlepoint.net> Content-Type: text/plain Organization: France Telecom R&D Date: Thu, 20 Oct 2005 13:54:40 +0200 Message-Id: <1129809280.23977.23.camel@wintermute> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 20 Oct 2005 11:54:35.0709 (UTC) FILETIME=[0AAB7ED0:01C5D56D] X-Spam-Score: 0.0 (/) X-Scan-Signature: 68c8cc8a64a9d0402e43b8eee9fc4199 Content-Transfer-Encoding: 7bit Cc: l2vpn@ietf.org Subject: Re: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Shane Amante : > Please voice your opinion and comment on whether this draft should > become a L2VPN WG document. There has been good support for it becoming > a WG document at the last IETF. This draft is important because it > defines the procedures for supporting Multicast Trees over VPLS. I support this work becoming a WG document. Cheers, -Thomas From l2vpn-bounces@ietf.org Thu Oct 20 15:53:24 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESgTc-0002XV-0U; Thu, 20 Oct 2005 15:53:24 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESgQZ-0001F6-7B; Thu, 20 Oct 2005 15:50:15 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA10048; Thu, 20 Oct 2005 15:50:04 -0400 (EDT) Received: from [132.151.6.50] (helo=newodin.ietf.org) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ESgcO-0006UI-Gb; Thu, 20 Oct 2005 16:02:33 -0400 Received: from mlee by newodin.ietf.org with local (Exim 4.43) id 1ESgQN-0000xu-CK; Thu, 20 Oct 2005 15:50:03 -0400 Content-Type: Multipart/Mixed; Boundary="NextPart" Mime-Version: 1.0 To: i-d-announce@ietf.org From: Internet-Drafts@ietf.org Message-Id: Date: Thu, 20 Oct 2005 15:50:03 -0400 X-Spam-Score: 0.4 (/) X-Scan-Signature: c3a18ef96977fc9bcc21a621cbf1174b Cc: l2vpn@ietf.org Subject: I-D ACTION:draft-ietf-l2vpn-vpls-mcast-reqts-00.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Layer 2 Virtual Private Networks Working Group of the IETF. Title : Requirements for Multicast Support in Virtual Private LAN Services Author(s) : Y. Kamite, et al. Filename : draft-ietf-l2vpn-vpls-mcast-reqts-00.txt Pages : 26 Date : 2005-10-20 This document provides functional requirements for network solutions that support multicast in Virtual Private LAN Service (VPLS). It specifies requirements both from the end user and service provider standpoints. It is intended that potential solutions will use these requirements as guidelines. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-l2vpn-vpls-mcast-reqts-00.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request@ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. 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Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2005-10-20151900.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-l2vpn-vpls-mcast-reqts-00.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-l2vpn-vpls-mcast-reqts-00.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2005-10-20151900.I-D@ietf.org> --OtherAccess-- --NextPart-- From l2vpn-bounces@ietf.org Thu Oct 20 20:51:00 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESl7c-0008GB-S1; Thu, 20 Oct 2005 20:51:00 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESl7b-0008G3-SE for l2vpn@megatron.ietf.org; Thu, 20 Oct 2005 20:50:59 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA13409 for ; Thu, 20 Oct 2005 20:50:49 -0400 (EDT) Received: from mgw1.noc.ntt.com ([210.163.32.68]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ESlJd-0001Bn-GW for l2vpn@ietf.org; Thu, 20 Oct 2005 21:03:27 -0400 Received: from mop2.noc.ntt.com by mgw1.noc.ntt.com (NTT-Com MailSV) with ESMTP id j9L0oVR5004643; Fri, 21 Oct 2005 09:50:31 +0900 (JST) Received: from mip2.noc.ntt.com (mvi3.noc.ntt.com) by mop2.noc.ntt.com (NTT-Com MailSV) with ESMTP id <0IOO00J7MQC7DO@ntt.com>; Fri, 21 Oct 2005 09:50:31 +0900 (JST) Date: Fri, 21 Oct 2005 09:50:30 +0900 From: "Yuji KAMITE" In-reply-to: <43554EF0.5080700@castlepoint.net> To: l2vpn@ietf.org Message-id: <0IOO0027FQC6DV@ntt.com> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1506 X-Mailer: Microsoft Office Outlook, Build 11.0.6353 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit Thread-index: AcXUG6LFiq/A4REYRLukgvnpB5Pj5QBvN3JA X-Spam-Score: 0.0 (/) X-Scan-Signature: 7655788c23eb79e336f5f8ba8bce7906 Content-Transfer-Encoding: 7bit Cc: 'Shane Amante' Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org I support it (but, I'm a co-author) -Yuji > -----Original Message----- > From: l2vpn-bounces@ietf.org [mailto:l2vpn-bounces@ietf.org] > On Behalf Of Shane Amante > Sent: Wednesday, October 19, 2005 4:37 AM > To: l2vpn@ietf.org > Subject: draft-raggarwa-l2vpn-vpls-mcast-01.txt > > Folks, > > Please voice your opinion and comment on whether this draft > should become a L2VPN WG document. There has been good > support for it becoming a WG document at the last IETF. This > draft is important because it defines the procedures for > supporting Multicast Trees over VPLS. > > Please let us know your opinion and comments by Tuesday, 10/25. > > Vach & Shane > From l2vpn-bounces@ietf.org Thu Oct 20 21:20:22 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESla1-0001Dl-Uu; Thu, 20 Oct 2005 21:20:21 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESla0-0001Db-QV for l2vpn@megatron.ietf.org; Thu, 20 Oct 2005 21:20:20 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id VAA14825 for ; Thu, 20 Oct 2005 21:20:10 -0400 (EDT) Received: from smtp.spirentcom.com ([199.1.46.14] helo=exch-connector.netcomsystems.com) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ESlm0-00028i-SW for l2vpn@ietf.org; Thu, 20 Oct 2005 21:32:48 -0400 Received: by exch-connector.netcomsystems.COM with Internet Mail Service (5.5.2655.55) id ; Thu, 20 Oct 2005 18:20:05 -0700 Message-ID: From: "McCoy, Chris" To: "'Yuji KAMITE'" Date: Thu, 20 Oct 2005 18:11:51 -0700 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2655.55) Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Scan-Signature: 9ed51c9d1356100bce94f1ae4ec616a9 Cc: "'l2vpn@ietf.org'" Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Hello Yuji, I have a question about the draft. Since this draft covers VPLS, which is a mostly layer-2 centric technology, would it make sense to share information between PEs referring to group MAC addresses and sources? In other words, still PIM/IGMP snoop, but share information based on Layer 2 addresses? That way it can be made more generic to support future protocols/IPv6? Thanks, Chris M. -----Original Message----- From: Yuji KAMITE [mailto:y.kamite@ntt.com] Sent: Thursday, October 20, 2005 8:51 PM To: l2vpn@ietf.org Cc: 'Shane Amante' Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt I support it (but, I'm a co-author) -Yuji > -----Original Message----- > From: l2vpn-bounces@ietf.org [mailto:l2vpn-bounces@ietf.org] > On Behalf Of Shane Amante > Sent: Wednesday, October 19, 2005 4:37 AM > To: l2vpn@ietf.org > Subject: draft-raggarwa-l2vpn-vpls-mcast-01.txt > > Folks, > > Please voice your opinion and comment on whether this draft > should become a L2VPN WG document. There has been good > support for it becoming a WG document at the last IETF. This > draft is important because it defines the procedures for > supporting Multicast Trees over VPLS. > > Please let us know your opinion and comments by Tuesday, 10/25. > > Vach & Shane > From l2vpn-bounces@ietf.org Fri Oct 21 00:39:06 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESogM-00029z-OT; Fri, 21 Oct 2005 00:39:06 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESogL-00029D-37 for l2vpn@megatron.ietf.org; Fri, 21 Oct 2005 00:39:05 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id AAA25135 for ; Fri, 21 Oct 2005 00:38:55 -0400 (EDT) Received: from mgw2.noc.ntt.com ([210.163.32.69]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ESosO-00004t-BK for l2vpn@ietf.org; Fri, 21 Oct 2005 00:51:34 -0400 Received: from mop3.noc.ntt.com by mgw2.noc.ntt.com (NTT-Com MailSV) with ESMTP id j9L4cfZm014060; Fri, 21 Oct 2005 13:38:41 +0900 (JST) Received: from mip1.noc.ntt.com (mvi3.noc.ntt.com) by mop3.noc.ntt.com (NTT-Com MailSV) with ESMTP id <0IOP00BQP0WH4T@ntt.com>; Fri, 21 Oct 2005 13:38:41 +0900 (JST) Date: Fri, 21 Oct 2005 13:38:41 +0900 From: "Yuji KAMITE" In-reply-to: To: "'McCoy, Chris'" Message-id: <0IOP0075R0WHEF@ntt.com> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1506 X-Mailer: Microsoft Office Outlook, Build 11.0.6353 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit Thread-index: AcXV3e4nQK1Vh9HVRyGw4URmMrXEvQAFuBdw X-Spam-Score: 0.0 (/) X-Scan-Signature: 6cca30437e2d04f45110f2ff8dc1b1d5 Content-Transfer-Encoding: 7bit Cc: l2vpn@ietf.org Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Hi Chris, > I have a question about the draft. Since this draft covers > VPLS, which is a mostly layer-2 centric technology, would it > make sense to share information between PEs referring to > group MAC addresses and sources? In other words, still > PIM/IGMP snoop, but share information based on Layer 2 > addresses? That way it can be made more generic to support > future protocols/IPv6? IMHO one concern of that way is, it cannot always be best in terms of preciseness of the membership in view of applications. - MAC-only approach cannot always describe IP-based application's membership correctly (i.e., ambiguity of mapping IP dst multicast address into MAC dst address) - MAC-only approach cannot differentiate (S_1, G) and (S_2, G) tree if other routers are intervening inside customer sites. (i.e., source MAC would be overlapped). These points would reside in IPv6 case too. - Yuji > -----Original Message----- > From: l2vpn-bounces@ietf.org [mailto:l2vpn-bounces@ietf.org] > On Behalf Of McCoy, Chris > Sent: Friday, October 21, 2005 10:12 AM > To: 'Yuji KAMITE' > Cc: 'l2vpn@ietf.org' > Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt > > Hello Yuji, > > I have a question about the draft. Since this draft covers > VPLS, which is a mostly layer-2 centric technology, would it > make sense to share information between PEs referring to > group MAC addresses and sources? In other words, still > PIM/IGMP snoop, but share information based on Layer 2 > addresses? That way it can be made more generic to support > future protocols/IPv6? > > Thanks, > Chris M. > > -----Original Message----- > From: Yuji KAMITE [mailto:y.kamite@ntt.com] > Sent: Thursday, October 20, 2005 8:51 PM > To: l2vpn@ietf.org > Cc: 'Shane Amante' > Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt > > > I support it (but, I'm a co-author) > -Yuji > > > -----Original Message----- > > From: l2vpn-bounces@ietf.org [mailto:l2vpn-bounces@ietf.org] > > On Behalf Of Shane Amante > > Sent: Wednesday, October 19, 2005 4:37 AM > > To: l2vpn@ietf.org > > Subject: draft-raggarwa-l2vpn-vpls-mcast-01.txt > > > > Folks, > > > > Please voice your opinion and comment on whether this draft > > should become a L2VPN WG document. There has been good > > support for it becoming a WG document at the last IETF. This > > draft is important because it defines the procedures for > > supporting Multicast Trees over VPLS. > > > > Please let us know your opinion and comments by Tuesday, 10/25. > > > > Vach & Shane > > > > From l2vpn-bounces@ietf.org Fri Oct 21 03:32:53 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESrOX-0004XJ-7m; Fri, 21 Oct 2005 03:32:53 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ESrOW-0004XE-D1 for l2vpn@megatron.ietf.org; Fri, 21 Oct 2005 03:32:52 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA03552 for ; Fri, 21 Oct 2005 03:32:41 -0400 (EDT) Received: from generic.riverstonenet.com ([66.17.149.13] helo=riverstonenet.com) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ESrab-0005Nh-BV for l2vpn@ietf.org; Fri, 21 Oct 2005 03:45:22 -0400 Received: from IBMT41ML by riverstonenet.com (8.9.3+Sun/SMI-SVR4-Yago) id AAA23049; Fri, 21 Oct 2005 00:32:33 -0700 (PDT) Message-ID: <009601c5d611$9815c9c0$6501a8c0@IBMT41ML> From: "Marc Lasserre" To: "Shane Amante" , References: <43554EF0.5080700@castlepoint.net> Date: Fri, 21 Oct 2005 09:32:28 +0200 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Spam-Score: 2.9 (++) X-Scan-Signature: ea4ac80f790299f943f0a53be7e1a21a Content-Transfer-Encoding: 7bit Cc: Subject: Re: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Vach, Shane, I support this draft to become a WG document. Some other VPLS multicast drafts should also be considered as WG documents such as draft-serbest-l2vpn-vpls-mcast-03.txt. Cheers, Marc ----- Original Message ----- From: "Shane Amante" To: Sent: Tuesday, October 18, 2005 9:37 PM Subject: draft-raggarwa-l2vpn-vpls-mcast-01.txt > Folks, > > Please voice your opinion and comment on whether this draft should become > a L2VPN WG document. There has been good support for it becoming a WG > document at the last IETF. This draft is important because it defines the > procedures for supporting Multicast Trees over VPLS. > > Please let us know your opinion and comments by Tuesday, 10/25. > > Vach & Shane > > From l2vpn-bounces@ietf.org Fri Oct 21 15:53:39 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ET2xP-0005ls-03; Fri, 21 Oct 2005 15:53:39 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ET2u9-0003v8-7p; Fri, 21 Oct 2005 15:50:18 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA00113; Fri, 21 Oct 2005 15:50:05 -0400 (EDT) Received: from [132.151.6.50] (helo=newodin.ietf.org) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ET367-0004Xo-MO; Fri, 21 Oct 2005 16:02:42 -0400 Received: from mlee by newodin.ietf.org with local (Exim 4.43) id 1ET2tt-0001Dq-TK; Fri, 21 Oct 2005 15:50:01 -0400 Content-Type: Multipart/Mixed; Boundary="NextPart" Mime-Version: 1.0 To: i-d-announce@ietf.org From: Internet-Drafts@ietf.org Message-Id: Date: Fri, 21 Oct 2005 15:50:01 -0400 X-Spam-Score: 0.4 (/) X-Scan-Signature: cf3becbbd6d1a45acbe2ffd4ab88bdc2 Cc: l2vpn@ietf.org Subject: I-D ACTION:draft-ietf-l2vpn-arp-mediation-04.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Layer 2 Virtual Private Networks Working Group of the IETF. Title : ARP Mediation for IP Interworking of Layer 2 VPN Author(s) : H. Shah, et al. Filename : draft-ietf-l2vpn-arp-mediation-04.txt Pages : 16 Date : 2005-10-21 The VPWS service [L2VPN Framework] provides point-to-point connections between pairs of Customer Edge (CE) devices. It does so by binding two Attachment Circuits (each connecting a CE device with a Provider Edge, PE, device) to a pseudo-wire (connecting the two PEs). In general, the Attachment Circuits must be of the same technology (e.g., both Ethernet, both ATM), and the pseudo-wire must carry the frames of that technology. However, if it is known that the frames' payload consists solely of IP datagrams, it is possible to provide a point-to-point connection in which the pseudo-wire connects Attachment Circuits of different technologies. This requires the PEs to perform a function known as "ARP Mediation". ARP Mediation refers to the process of resolving Layer 2 addresses when different resolution protocols are used on either Attachment Circuit. The methods described in this document are applicable even when the CEs run a routing protocol between them, as long as the routing protocol runs over IP. In particular, the applicability of ARP mediation to ISIS is not addressed as IS-IS PDUs are not sent over IP. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-l2vpn-arp-mediation-04.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request@ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-l2vpn-arp-mediation-04.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-l2vpn-arp-mediation-04.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2005-10-21134845.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-l2vpn-arp-mediation-04.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-l2vpn-arp-mediation-04.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2005-10-21134845.I-D@ietf.org> --OtherAccess-- --NextPart-- From l2vpn-bounces@ietf.org Fri Oct 21 22:02:54 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ET8ij-0005Dk-Of; Fri, 21 Oct 2005 22:02:53 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ET8ih-0005Dc-Ol for l2vpn@megatron.ietf.org; Fri, 21 Oct 2005 22:02:51 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id WAA11707 for ; Fri, 21 Oct 2005 22:02:40 -0400 (EDT) Received: from borg.juniper.net ([207.17.137.119]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ET8uw-0002Ng-RR for l2vpn@ietf.org; Fri, 21 Oct 2005 22:15:32 -0400 Received: from unknown (HELO beta.jnpr.net) (172.24.18.109) by borg.juniper.net with ESMTP; 21 Oct 2005 19:02:42 -0700 X-BrightmailFiltered: true X-Brightmail-Tracker: AAAAAA== X-IronPort-AV: i="3.97,240,1125903600"; d="scan'208"; a="505529538:sNHT18903136" Received: from sapphire.juniper.net ([172.17.28.108]) by beta.jnpr.net over TLS secured channel with Microsoft SMTPSVC(6.0.3790.211); Fri, 21 Oct 2005 19:02:40 -0700 Date: Fri, 21 Oct 2005 19:02:40 -0700 (PDT) From: Rahul Aggarwal To: Shane Amante In-Reply-To: <43554EF0.5080700@castlepoint.net> Message-ID: <20051021190145.G84715@sapphire.juniper.net> References: <43554EF0.5080700@castlepoint.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-OriginalArrivalTime: 22 Oct 2005 02:02:40.0761 (UTC) FILETIME=[AEEFFE90:01C5D6AC] X-Spam-Score: 0.0 (/) X-Scan-Signature: 798b2e660f1819ae38035ac1d8d5e3ab Cc: l2vpn@ietf.org Subject: Re: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Hi Shane, On Tue, 18 Oct 2005, Shane Amante wrote: > Folks, > > Please voice your opinion and comment on whether this draft should > become a L2VPN WG document. Yes. rahul > There has been good support for it becoming > a WG document at the last IETF. This draft is important because it > defines the procedures for supporting Multicast Trees over VPLS. > > Please let us know your opinion and comments by Tuesday, 10/25. > > Vach & Shane > From l2vpn-bounces@ietf.org Mon Oct 24 00:08:56 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ETtdo-000525-M0; Mon, 24 Oct 2005 00:08:56 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ETtdm-000513-Uk for l2vpn@megatron.ietf.org; Mon, 24 Oct 2005 00:08:54 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id AAA11578 for ; Mon, 24 Oct 2005 00:08:41 -0400 (EDT) Received: from vic-exch.visionstream.com.au ([203.36.10.10] helo=vpl-msw1.visionstream.com.au) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ETtqN-00028Z-QH for l2vpn@ietf.org; Mon, 24 Oct 2005 00:22:01 -0400 Received: from hub_nts1.vpl.com.au (HUB_NTS1) by vpl-msw1.visionstream.com.au (Clearswift SMTPRS 5.0.4) with ESMTP id for ; Mon, 24 Oct 2005 14:06:35 +1000 Received: by hub_nts1.vpl.com.au with Internet Mail Service (5.5.2653.19) id ; Mon, 24 Oct 2005 14:08:12 +1000 Message-ID: From: "Kolovos, Ilias" To: "'l2vpn@ietf.org'" Date: Mon, 24 Oct 2005 14:07:55 +1000 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C5D850.82B5E830" X-Spam-Score: 3.2 (+++) X-Scan-Signature: e8a67952aa972b528dd04570d58ad8fe Subject: L2VPN Interworking X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------_=_NextPart_001_01C5D850.82B5E830 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Hi all apologies for the broadcast. Can anyone please advise if the draft-sajassi-l2vpn-interworking-01.txt has been superseded by another draft ? It supposedly expired on October 2003. I am interested in VPLS to L3VPN interworking and the sajassi draft had a useful section in it. Perhaps VPLS to L3VPN interworking is described in another draft somewhere. thanks in advance IK ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. 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Mon, 24 Oct 2005 03:14:17 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ETwX9-0000jZ-NF for l2vpn@megatron.ietf.org; Mon, 24 Oct 2005 03:14:16 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA21065 for ; Mon, 24 Oct 2005 03:14:01 -0400 (EDT) Received: from sj-iport-4.cisco.com ([171.68.10.86]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ETwjq-0007uB-HY for l2vpn@ietf.org; Mon, 24 Oct 2005 03:27:24 -0400 Received: from sj-core-3.cisco.com ([171.68.223.137]) by sj-iport-4.cisco.com with ESMTP; 24 Oct 2005 00:14:05 -0700 Received: from xbh-sjc-221.amer.cisco.com (xbh-sjc-221.cisco.com [128.107.191.63]) by sj-core-3.cisco.com (8.12.10/8.12.6) with ESMTP id j9O7Ds8o009421; Mon, 24 Oct 2005 00:13:58 -0700 (PDT) Received: from xmb-sjc-21e.amer.cisco.com ([171.70.151.156]) by xbh-sjc-221.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Mon, 24 Oct 2005 00:14:02 -0700 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C5D86A.8299F811" Date: Mon, 24 Oct 2005 00:14:01 -0700 Message-ID: <75B2A84D9323BC4CA3977CF378CE75EBAB2C2D@xmb-sjc-21e.amer.cisco.com> Thread-Topic: L2VPN Interworking Thread-Index: AcXYUM/bmnN3xosSTzKX1dM4mHxLTQAGAQsA From: "Ali Sajassi $sajassi$" To: "Kolovos, Ilias" , X-OriginalArrivalTime: 24 Oct 2005 07:14:02.0274 (UTC) FILETIME=[82D02820:01C5D86A] X-Spam-Score: 1.1 (+) X-Scan-Signature: 87a3f533bb300b99e2a18357f3c1563d Cc: Subject: RE: L2VPN Interworking X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org This is a multi-part message in MIME format. ------_=_NextPart_001_01C5D86A.8299F811 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 This draft was discussed couple of years ago and it was considered to be outside of the L2VPN charter and scope. However, it was within the scope of MFA (MPLS/FR/ATM forum). Most of the material in that draft has been presented as a separate IA to the MFA and it has gone through straw ballot there. However, the section on VPLS to L3VPN interworking was not covered there. If there is enough interest, I may introduce a short draft on this topic plus covering a few additional scenarios. =20 -Ali ________________________________ From: l2vpn-bounces@ietf.org [mailto:l2vpn-bounces@ietf.org] On Behalf Of Kolovos, Ilias Sent: Sunday, October 23, 2005 9:08 PM To: 'l2vpn@ietf.org' Subject: L2VPN Interworking =09 =09 Hi all=20 apologies for the broadcast. Can anyone please advise if the draft-sajassi-l2vpn-interworking-01.txt has been superseded by another draft ? It supposedly expired on October 2003. I am interested in VPLS to L3VPN interworking and the sajassi draft had a useful section in it. Perhaps VPLS to L3VPN interworking is described in another draft somewhere. thanks in advance=20 IK=20 =09 **********************************************************************=20 This email and any files transmitted with it are confidential and=20 intended solely for the use of the individual or entity to whom they=20 are addressed. If you have received this email in error please notify=20 the system manager.=20 =09 **********************************************************************=20 ------_=_NextPart_001_01C5D86A.8299F811 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable L2VPN Interworking

This draft was discussed couple of years = ago and=20 it was considered to be outside of the L2VPN charter and scope. = However, it=20 was within the scope of MFA (MPLS/FR/ATM forum). Most of the = material in=20 that draft has been presented as a separate IA to the MFA and = it has=20 gone through straw ballot there. However, the section on VPLS to L3VPN=20 interworking was not covered there. If there is enough interest, I may = introduce=20 a short draft on this topic plus covering a few additional=20 scenarios.

-Ali

From: l2vpn-bounces@ietf.org=20 [mailto:l2vpn-bounces@ietf.org] On Behalf Of Kolovos,=20 Ilias
Sent: Sunday, October 23, 2005 9:08 PM
To:=20 'l2vpn@ietf.org'
Subject: L2VPN = Interworking

Hi all
apologies=20 for the broadcast. Can anyone please advise if the=20 draft-sajassi-l2vpn-interworking-01.txt has been superseded by another = draft ?=20 It supposedly expired on October 2003. I am interested in VPLS to = L3VPN=20 interworking and the sajassi draft had a useful section in it. Perhaps = VPLS to=20 L3VPN interworking is described in another draft somewhere.

thanks in advance
IK

****************************************************************= ******=20

This email and any = files=20 transmitted with it are confidential and

intended solely for the = use of=20 the individual or entity to whom they

are addressed. If you = have=20 received this email in error please notify

the system manager. =

****************************************************************= ******=20

------_=_NextPart_001_01C5D86A.8299F811-- From l2vpn-bounces@ietf.org Mon Oct 24 05:28:57 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ETydU-0002xb-UN; Mon, 24 Oct 2005 05:28:56 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1ETydT-0002xT-6z for l2vpn@megatron.ietf.org; Mon, 24 Oct 2005 05:28:55 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA27000 for ; Mon, 24 Oct 2005 05:28:42 -0400 (EDT) Received: from mgw2.noc.ntt.com ([210.163.32.69]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1ETyqB-0003mV-7U for l2vpn@ietf.org; Mon, 24 Oct 2005 05:42:04 -0400 Received: from mop1.noc.ntt.com by mgw2.noc.ntt.com (NTT-Com MailSV) with ESMTP id j9O9SPdZ010170; Mon, 24 Oct 2005 18:28:25 +0900 (JST) Received: from mip1.noc.ntt.com (mvi3.noc.ntt.com) by mop1.noc.ntt.com (NTT-Com MailSV) with ESMTP id <0IOU008U4YBCC7@ntt.com>; Mon, 24 Oct 2005 18:28:24 +0900 (JST) Date: Mon, 24 Oct 2005 18:28:24 +0900 From: "Yuichi Ikejiri" In-reply-to: <43554EF0.5080700@castlepoint.net> To: "Shane Amante" Message-id: <20051024182145.FAFF.Y.IKEJIRI@ntt.com> MIME-version: 1.0 X-Mailer: Becky! ver. 2.21.01 [ja] Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7bit References: <43554EF0.5080700@castlepoint.net> X-Spam-Score: 0.0 (/) X-Scan-Signature: 79899194edc4f33a41f49410777972f8 Content-Transfer-Encoding: 7bit Cc: l2vpn@ietf.org Subject: Re: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Hi, On Tue, 18 Oct 2005 13:37:20 -0600 "Shane Amante" wrote: > Folks, > > Please voice your opinion and comment on whether this draft should > become a L2VPN WG document. There has been good support for it becoming > a WG document at the last IETF. This draft is important because it > defines the procedures for supporting Multicast Trees over VPLS. I support this draft becoming a WG document. Yuichi > > Please let us know your opinion and comments by Tuesday, 10/25. > > Vach & Shane From l2vpn-bounces@ietf.org Mon Oct 24 13:37:35 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EU6GN-0005o0-OM; Mon, 24 Oct 2005 13:37:35 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EU6GM-0005nq-8y for l2vpn@megatron.ietf.org; Mon, 24 Oct 2005 13:37:34 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id NAA22460 for ; Mon, 24 Oct 2005 13:37:20 -0400 (EDT) Received: from mail121.messagelabs.com ([216.82.241.195]) by ietf-mx.ietf.org with smtp (Exim 4.43) id 1EU6T1-0003On-NI for l2vpn@ietf.org; Mon, 24 Oct 2005 13:50:48 -0400 X-VirusChecked: Checked X-Env-Sender: luyuanfang@att.com X-Msg-Ref: server-5.tower-121.messagelabs.com!1130175320!7186162!27 X-StarScan-Version: 5.5.9.1; banners=-,-,- X-Originating-IP: [192.128.167.132] Received: (qmail 27521 invoked from network); 24 Oct 2005 17:37:10 -0000 Received: from unknown (HELO attrh3i.attrh.att.com) (192.128.167.132) by server-5.tower-121.messagelabs.com with SMTP; 24 Oct 2005 17:37:10 -0000 Received: from kcclust06evs1.ugd.att.com (135.38.164.88) by attrh3i.attrh.att.com (7.2.052) id 435BB4FA0001DE64 for l2vpn@ietf.org; Mon, 24 Oct 2005 13:37:10 -0400 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Date: Mon, 24 Oct 2005 12:37:10 -0500 Message-ID: Thread-Topic: L2vpn Digest, Vol 18, Issue 3 Thread-Index: AcXUx46qHfbxIUk9RlKFB86Nm+33EgD+O8mQ From: "Fang, Luyuan, ALABS" To: X-Spam-Score: 0.0 (/) X-Scan-Signature: b280b4db656c3ca28dd62e5e0b03daa8 Content-Transfer-Encoding: quoted-printable Subject: Re: draft-raggarwa-l2vpn-vpls-mcast-01.txt (Luyuan Fang) X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org On Tue, 18 Oct 2005 13:37:20 -0600 "Shane Amante" wrote: > Folks, >=20 > Please voice your opinion and comment on whether this draft should=20 > become a L2VPN WG document. There has been good support for it becoming=20 > a WG document at the last IETF. This draft is important because it=20 > defines the procedures for supporting Multicast Trees over VPLS. >=20 > Please let us know your opinion and comments by Tuesday, 10/25. I support this draft becoming a WG document. Luyuan -----Original Message----- From: l2vpn-bounces@ietf.org [mailto:l2vpn-bounces@ietf.org]On Behalf Of l2vpn-request@ietf.org Sent: Wednesday, October 19, 2005 12:10 PM To: l2vpn@ietf.org Subject: L2vpn Digest, Vol 18, Issue 3 Send L2vpn mailing list submissions to l2vpn@ietf.org To subscribe or unsubscribe via the World Wide Web, visit https://www1.ietf.org/mailman/listinfo/l2vpn or, via email, send a message with subject or body 'help' to l2vpn-request@ietf.org You can reach the person managing the list at l2vpn-owner@ietf.org When replying, please edit your Subject line so it is more specific than "Re: Contents of L2vpn digest..." Today's Topics: 1. draft-raggarwa-l2vpn-vpls-mcast-01.txt (Shane Amante) ---------------------------------------------------------------------- Message: 1 Date: Tue, 18 Oct 2005 13:37:20 -0600 From: Shane Amante Subject: draft-raggarwa-l2vpn-vpls-mcast-01.txt To: l2vpn@ietf.org Message-ID: <43554EF0.5080700@castlepoint.net> Content-Type: text/plain; charset=3DISO-8859-1; format=3Dflowed Folks, Please voice your opinion and comment on whether this draft should=20 become a L2VPN WG document. There has been good support for it becoming a WG document at the last IETF. This draft is important because it=20 defines the procedures for supporting Multicast Trees over VPLS. Please let us know your opinion and comments by Tuesday, 10/25. Vach & Shane ------------------------------ _______________________________________________ L2vpn mailing list L2vpn@ietf.org https://www1.ietf.org/mailman/listinfo/l2vpn End of L2vpn Digest, Vol 18, Issue 3 ************************************ From l2vpn-bounces@ietf.org Mon Oct 24 15:50:47 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EU8LH-0003DV-M0; Mon, 24 Oct 2005 15:50:47 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EU8Kc-0002to-Eo; Mon, 24 Oct 2005 15:50:06 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA28581; Mon, 24 Oct 2005 15:49:51 -0400 (EDT) Received: from [132.151.6.50] (helo=newodin.ietf.org) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EU8XO-0007cf-0X; Mon, 24 Oct 2005 16:03:19 -0400 Received: from mlee by newodin.ietf.org with local (Exim 4.43) id 1EU8KY-0002GM-J2; Mon, 24 Oct 2005 15:50:02 -0400 Content-Type: Multipart/Mixed; Boundary="NextPart" Mime-Version: 1.0 To: i-d-announce@ietf.org From: Internet-Drafts@ietf.org Message-Id: Date: Mon, 24 Oct 2005 15:50:02 -0400 X-Spam-Score: 0.4 (/) X-Scan-Signature: 10d3e4e3c32e363f129e380e644649be Cc: l2vpn@ietf.org Subject: I-D ACTION:draft-ietf-l2vpn-requirements-05.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Layer 2 Virtual Private Networks Working Group of the IETF. Title : Service Requirements for Layer 2 Provider Provisioned Virtual Private Networks Author(s) : W. Augustyn, Y. Serbest Filename : draft-ietf-l2vpn-requirements-05.txt Pages : 25 Date : 2005-10-24 This document provides requirements for Layer 2 Provider Provisioned Virtual Private Networks (L2VPNs). It first provides taxonomy and terminology and states generic and general service requirements. It covers point-to-point VPNs referred to as Virtual Private Wire Service (VPWS), as well as multipoint-to-multipoint VPNs also known as Virtual Private LAN Service (VPLS). Detailed requirements are expressed from a customer as well as a service provider perspective. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-l2vpn-requirements-05.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request@ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-l2vpn-requirements-05.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-l2vpn-requirements-05.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2005-10-24131658.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-l2vpn-requirements-05.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-l2vpn-requirements-05.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2005-10-24131658.I-D@ietf.org> --OtherAccess-- --NextPart-- From l2vpn-bounces@ietf.org Mon Oct 24 18:50:44 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUB9Q-0004nl-BK; Mon, 24 Oct 2005 18:50:44 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUB8p-0004dt-Nx; Mon, 24 Oct 2005 18:50:07 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id SAA26559; Mon, 24 Oct 2005 18:49:51 -0400 (EDT) Received: from [132.151.6.50] (helo=newodin.ietf.org) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EUBLd-0002r8-HF; Mon, 24 Oct 2005 19:03:21 -0400 Received: from mlee by newodin.ietf.org with local (Exim 4.43) id 1EUB8j-0007BH-IY; Mon, 24 Oct 2005 18:50:01 -0400 Content-Type: Multipart/Mixed; Boundary="NextPart" Mime-Version: 1.0 To: i-d-announce@ietf.org From: Internet-Drafts@ietf.org Message-Id: Date: Mon, 24 Oct 2005 18:50:01 -0400 X-Spam-Score: 0.4 (/) X-Scan-Signature: b5d20af10c334b36874c0264b10f59f1 Cc: l2vpn@ietf.org Subject: I-D ACTION:draft-ietf-l2vpn-ipls-05.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Layer 2 Virtual Private Networks Working Group of the IETF. Title : IP-Only LAN Service (IPLS) Author(s) : H. Shah, et al. Filename : draft-ietf-l2vpn-ipls-05.txt Pages : 22 Date : 2005-10-24 A Virtual Private LAN Service (VPLS) [VPLS] is used to interconnect systems across a wide-area or metropolitan-area network, making it appear that they are on a private LAN. The systems which are interconnected may themselves be LAN switches. If, however, they are IP hosts or IP routers, certain simplifications to the operation of the VPLS are possible. We call this simplified type of VPLS an "IP-only LAN Service" (IPLS). In an IPLS, as in a VPLS, LAN interfaces are run in promiscuous mode, and frames are forwarded based on their destination MAC addresses. However, the maintenance of the MAC forwarding tables is done via signaling, rather than via the MAC address learning procedures specified in [IEEE 802.1D]. This draft specifies the protocol extensions and procedures for support of the IPLS service. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-l2vpn-ipls-05.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request@ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-l2vpn-ipls-05.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-l2vpn-ipls-05.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2005-10-24160107.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-l2vpn-ipls-05.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-l2vpn-ipls-05.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2005-10-24160107.I-D@ietf.org> --OtherAccess-- --NextPart-- From l2vpn-bounces@ietf.org Tue Oct 25 03:16:09 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUJ2X-0000wF-6L; Tue, 25 Oct 2005 03:16:09 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUJ2W-0000wA-1U for l2vpn@megatron.ietf.org; Tue, 25 Oct 2005 03:16:08 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA26199 for ; Tue, 25 Oct 2005 03:15:53 -0400 (EDT) Received: from sj-iport-2-in.cisco.com ([171.71.176.71] helo=sj-iport-2.cisco.com) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EUJFQ-0000ad-F8 for l2vpn@ietf.org; Tue, 25 Oct 2005 03:29:28 -0400 Received: from sj-core-1.cisco.com ([171.71.177.237]) by sj-iport-2.cisco.com with ESMTP; 25 Oct 2005 00:15:58 -0700 Received: from xbh-sjc-211.amer.cisco.com (xbh-sjc-211.cisco.com [171.70.151.144]) by sj-core-1.cisco.com (8.12.10/8.12.6) with ESMTP id j9P7Fuub007844; Tue, 25 Oct 2005 00:15:56 -0700 (PDT) Received: from xmb-sjc-21e.amer.cisco.com ([171.70.151.156]) by xbh-sjc-211.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Tue, 25 Oct 2005 00:15:55 -0700 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Date: Tue, 25 Oct 2005 00:15:55 -0700 Message-ID: <75B2A84D9323BC4CA3977CF378CE75EBB115E0@xmb-sjc-21e.amer.cisco.com> Thread-Topic: draft-raggarwa-l2vpn-vpls-mcast-01.txt Thread-Index: AcXUG7IRXI8XwxmVSjK8lj4DCo5BEQFDiYvQ From: "Ali Sajassi $sajassi$" To: "Shane Amante" , X-OriginalArrivalTime: 25 Oct 2005 07:15:55.0979 (UTC) FILETIME=[F0FFE9B0:01C5D933] X-Spam-Score: 0.0 (/) X-Scan-Signature: e8a67952aa972b528dd04570d58ad8fe Content-Transfer-Encoding: quoted-printable Cc: Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org This draft is in good alignment with L3VPN multicast mechanism and uses the same constructs as L3VPN mechanism (such as selective/inclusive and aggregate selective/inclusive MDTs). As such I would support this draft in leveraging such constructs in providing provider-based multicast trees for VPLS and avoiding ingress replication. However, there are certain limitations in using MDT wrt VPLS that need to be clearly stated in this draft. These limitations have been described in draft-sajassi-l2vpn-vpls-bridge-interop for over a year now. 1) Since multicast and unicast paths are different in the network, it can result in a loop within the customer's network or can result in black holing the customer traffic. In this scheme the BPDUs is sent either on unicast or multicast tunnels. A failure of the tunnel carrying BPDU can result in loops within provider and customer network. And a failure of the tunnel not carrying BPDUs can result in black holing customer traffic over that tunnel. 2) Since multicast and unicast paths are different in the network, the service provider or customer Ethernet OAM (802.1ag or ITU Y.17ethoam) does not work because the Eth OAM frames are sent over one path or another and thus the failure for one of them (either unicast or multicast paths) cannot be detected anymore by this mechanism.=20 3) If unknown unicast are sent over MDT, then this may result in packet re-ordering (this is mentioned in the draft). Couple of other comments: A) The mechanism for upstream label assignment and discovery for shared-tree needs to be described or else indicate it is for future study. In other words, for shared-tree what type of label assignment is used between ingress PE and RP, and between RP and egress PE. Also how does discovery works with having RP in between. B) Section 16 talks about encapsulation for mcast data and only IP packets are shown without any MAC address. However, the text states that VSI is used for forwarding these packets. The VSI is basically a filtering database which uses MAC address for forwarding the frames and not IP addresses. -Ali =20 > -----Original Message----- > From: l2vpn-bounces@ietf.org [mailto:l2vpn-bounces@ietf.org]=20 > On Behalf Of Shane Amante > Sent: Tuesday, October 18, 2005 12:37 PM > To: l2vpn@ietf.org > Subject: draft-raggarwa-l2vpn-vpls-mcast-01.txt >=20 > Folks, >=20 > Please voice your opinion and comment on whether this draft=20 > should become a L2VPN WG document. There has been good=20 > support for it becoming a WG document at the last IETF. This=20 > draft is important because it defines the procedures for=20 > supporting Multicast Trees over VPLS. >=20 > Please let us know your opinion and comments by Tuesday, 10/25. >=20 > Vach & Shane >=20 From l2vpn-bounces@ietf.org Tue Oct 25 13:47:12 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUStD-00072O-W1; Tue, 25 Oct 2005 13:47:12 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUStB-0006yC-Vt for l2vpn@megatron.ietf.org; Tue, 25 Oct 2005 13:47:10 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id NAA08427 for ; Tue, 25 Oct 2005 13:46:56 -0400 (EDT) Received: from sj-iport-3-in.cisco.com ([171.71.176.72] helo=sj-iport-3.cisco.com) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EUT6A-000427-27 for l2vpn@ietf.org; Tue, 25 Oct 2005 14:00:36 -0400 Received: from sj-core-5.cisco.com ([171.71.177.238]) by sj-iport-3.cisco.com with ESMTP; 25 Oct 2005 10:46:48 -0700 X-IronPort-AV: i="3.97,250,1125903600"; d="scan'208"; a="356516121:sNHT1317576900" Received: from xbh-sjc-221.amer.cisco.com (xbh-sjc-221.cisco.com [128.107.191.63]) by sj-core-5.cisco.com (8.12.10/8.12.6) with ESMTP id j9PHka9A002749; Tue, 25 Oct 2005 10:46:45 -0700 (PDT) Received: from xmb-sjc-21e.amer.cisco.com ([171.70.151.156]) by xbh-sjc-221.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Tue, 25 Oct 2005 10:46:43 -0700 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Date: Tue, 25 Oct 2005 10:46:42 -0700 Message-ID: <75B2A84D9323BC4CA3977CF378CE75EBB11729@xmb-sjc-21e.amer.cisco.com> Thread-Topic: draft-raggarwa-l2vpn-vpls-mcast-01.txt Thread-Index: AcXUG7IRXI8XwxmVSjK8lj4DCo5BEQFDiYvQABgSceA= From: "Ali Sajassi $sajassi$" To: "Ali Sajassi $sajassi$" , "Shane Amante" , X-OriginalArrivalTime: 25 Oct 2005 17:46:43.0649 (UTC) FILETIME=[0FF80B10:01C5D98C] X-Spam-Score: 0.0 (/) X-Scan-Signature: b5d20af10c334b36874c0264b10f59f1 Content-Transfer-Encoding: quoted-printable Cc: Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org I forgot to mention about another issue which is: sending unknown unicast frames over shared MDT and learning action at the egress PE.=20 When the MDT is a shared-tree, then the tree identifier identifies the RP node and not the ingress PE nodes. Therefore, another label is needed to identify the ingress PE - e.g., a packet received at the egress PE will have three labels (outer-label identifying the tree, middle label identifying the ingress PE, and inner label identifying the VPLS instance). If this is deemed too tedious, then the use of shared-MDT for unknown unicast traffic should be avoided and instead ingress replication over P2P PWs should be used. -Ali > -----Original Message----- > From: l2vpn-bounces@ietf.org [mailto:l2vpn-bounces@ietf.org]=20 > On Behalf Of Ali Sajassi (sajassi) > Sent: Tuesday, October 25, 2005 12:16 AM > To: Shane Amante; l2vpn@ietf.org > Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt >=20 >=20 >=20 > This draft is in good alignment with L3VPN multicast=20 > mechanism and uses the same constructs as L3VPN mechanism=20 > (such as selective/inclusive and aggregate=20 > selective/inclusive MDTs). As such I would support this draft=20 > in leveraging such constructs in providing provider-based=20 > multicast trees for VPLS and avoiding ingress replication.=20 > However, there are certain limitations in using MDT wrt VPLS=20 > that need to be clearly stated in this draft. These=20 > limitations have been described in=20 > draft-sajassi-l2vpn-vpls-bridge-interop for over a year now. >=20 > 1) Since multicast and unicast paths are different in the=20 > network, it can result in a loop within the customer's=20 > network or can result in black holing the customer traffic.=20 > In this scheme the BPDUs is sent either on unicast or=20 > multicast tunnels. A failure of the tunnel carrying BPDU can=20 > result in loops within provider and customer network. And a=20 > failure of the tunnel not carrying BPDUs can result in black=20 > holing customer traffic over that tunnel. >=20 > 2) Since multicast and unicast paths are different in the=20 > network, the service provider or customer Ethernet OAM=20 > (802.1ag or ITU Y.17ethoam) does not work because the Eth OAM=20 > frames are sent over one path or another and thus the failure=20 > for one of them (either unicast or multicast paths) cannot be=20 > detected anymore by this mechanism.=20 >=20 > 3) If unknown unicast are sent over MDT, then this may result=20 > in packet re-ordering (this is mentioned in the draft). >=20 > Couple of other comments: >=20 > A) The mechanism for upstream label assignment and discovery=20 > for shared-tree needs to be described or else indicate it is=20 > for future study. In other words, for shared-tree what type=20 > of label assignment is used between ingress PE and RP, and=20 > between RP and egress PE. Also how does discovery works with=20 > having RP in between. >=20 > B) Section 16 talks about encapsulation for mcast data and=20 > only IP packets are shown without any MAC address. However,=20 > the text states that VSI is used for forwarding these=20 > packets. The VSI is basically a filtering database which uses=20 > MAC address for forwarding the frames and not IP addresses. >=20 > -Ali =20 >=20 > > -----Original Message----- > > From: l2vpn-bounces@ietf.org=20 > [mailto:l2vpn-bounces@ietf.org] On Behalf=20 > > Of Shane Amante > > Sent: Tuesday, October 18, 2005 12:37 PM > > To: l2vpn@ietf.org > > Subject: draft-raggarwa-l2vpn-vpls-mcast-01.txt > >=20 > > Folks, > >=20 > > Please voice your opinion and comment on whether this draft should=20 > > become a L2VPN WG document. There has been good support for it=20 > > becoming a WG document at the last IETF. This draft is important=20 > > because it defines the procedures for supporting Multicast=20 > Trees over=20 > > VPLS. > >=20 > > Please let us know your opinion and comments by Tuesday, 10/25. > >=20 > > Vach & Shane > >=20 >=20 From l2vpn-bounces@ietf.org Tue Oct 25 15:51:37 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUUpd-00077K-Lr; Tue, 25 Oct 2005 15:51:37 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUUoB-0006n7-Bt; Tue, 25 Oct 2005 15:50:07 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA15694; Tue, 25 Oct 2005 15:49:52 -0400 (EDT) Received: from [132.151.6.50] (helo=newodin.ietf.org) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EUV18-0007s8-31; Tue, 25 Oct 2005 16:03:31 -0400 Received: from mlee by newodin.ietf.org with local (Exim 4.43) id 1EUUo5-0007k9-Vq; Tue, 25 Oct 2005 15:50:01 -0400 Content-Type: Multipart/Mixed; Boundary="NextPart" Mime-Version: 1.0 To: i-d-announce@ietf.org From: Internet-Drafts@ietf.org Message-Id: Date: Tue, 25 Oct 2005 15:50:01 -0400 X-Spam-Score: 0.4 (/) X-Scan-Signature: f66b12316365a3fe519e75911daf28a8 Cc: l2vpn@ietf.org Subject: I-D ACTION:draft-ietf-l2vpn-oam-req-frmk-04.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Layer 2 Virtual Private Networks Working Group of the IETF. Title : L2VPN OAM Requirements and Framework Author(s) : D. Mohan, A. Sajassi Filename : draft-ietf-l2vpn-oam-req-frmk-04.txt Pages : 29 Date : 2005-10-25 This draft provides framework and requirements for Layer 2 Virtual Private Networks (L2VPN) Operation, Administration and Maintenance (OAM). The OAM framework is intended to provide OAM layering across L2VPN services, Pseudo Wires (PWs) and Packet Switched Network (PSN) tunnels. The requirements are intended to identify OAM requirement for L2VPN services (i.e. VPLS, VPWS, and IPLS). Furthermore, if L2VPN services OAM requirements impose specific requirements on PW OAM and/or PSN OAM, those specific PW and/or PSN OAM requirements are also identified. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-l2vpn-oam-req-frmk-04.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request@ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-l2vpn-oam-req-frmk-04.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-l2vpn-oam-req-frmk-04.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2005-10-25134753.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-l2vpn-oam-req-frmk-04.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-l2vpn-oam-req-frmk-04.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2005-10-25134753.I-D@ietf.org> --OtherAccess-- --NextPart-- From l2vpn-bounces@ietf.org Wed Oct 26 04:22:19 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUgY6-0004AT-U8; Wed, 26 Oct 2005 04:22:18 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUgY5-00048K-Hr for l2vpn@megatron.ietf.org; Wed, 26 Oct 2005 04:22:17 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA03119 for ; Wed, 26 Oct 2005 04:22:02 -0400 (EDT) Received: from mgw2.noc.ntt.com ([210.163.32.69]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EUgl7-0000il-IR for l2vpn@ietf.org; Wed, 26 Oct 2005 04:35:51 -0400 Received: from mop3.noc.ntt.com by mgw2.noc.ntt.com (NTT-Com MailSV) with ESMTP id j9Q8Lfc8009676; Wed, 26 Oct 2005 17:21:41 +0900 (JST) Received: from mip3.noc.ntt.com (mvi3.noc.ntt.com) by mop3.noc.ntt.com (NTT-Com MailSV) with ESMTP id <0IOY00FHIKK4F9@ntt.com>; Wed, 26 Oct 2005 17:21:41 +0900 (JST) Date: Wed, 26 Oct 2005 17:21:40 +0900 From: "Yuji KAMITE" In-reply-to: <75B2A84D9323BC4CA3977CF378CE75EBB115E0@xmb-sjc-21e.amer.cisco.com> To: "'Ali Sajassi (sajassi)'" Message-id: <0IOY00KMFKK4Z3@ntt.com> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1506 X-Mailer: Microsoft Office Outlook, Build 11.0.6353 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit Thread-index: AcXUG7IRXI8XwxmVSjK8lj4DCo5BEQFDiYvQADEPB5A= X-Spam-Score: 0.0 (/) X-Scan-Signature: 8abaac9e10c826e8252866cbe6766464 Content-Transfer-Encoding: 7bit Cc: l2vpn@ietf.org, 'Shane Amante' Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Hi, > 2) Since multicast and unicast paths are different in the > network, the service provider or customer Ethernet OAM > (802.1ag or ITU Y.17ethoam) does not work because the Eth OAM > frames are sent over one path or another and thus the failure > for one of them (either unicast or multicast paths) cannot be > detected anymore by this mechanism. Basically I believe it is recommended that control frames (like BPDU) should be flooded over unicast, not over MDT; but let me ask some questions. For example: Suppose 802.1ag CC is enabled at customer domain (CE speaks .1ag), and VPLS core is capable of MDT as well as unicast PWs. Natively CC would be forwarded on multicast scheme. But I think - if CC is aimed for unicast reachability, it is better for PE to encapsulate it over unicast PWs. - if CC is aimed for multicast reachability, it is better for PE to encapsulate it over MDT. because customer would wish that CC is flowing on the "real" data path in the core. I'm wondering if it is possible for PE to differentiate it. Link trace/loopback case might be a little different, but I'm not yet quite sure. Interworking between customer CFM and VPLS-ping like things, might be possible to solve the issue, but possibly complicated. -Yuji From l2vpn-bounces@ietf.org Wed Oct 26 11:24:11 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUn8N-0008GZ-Lb; Wed, 26 Oct 2005 11:24:11 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUn8M-0008Fh-3q for l2vpn@megatron.ietf.org; Wed, 26 Oct 2005 11:24:10 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id LAA00879 for ; Wed, 26 Oct 2005 11:23:54 -0400 (EDT) Received: from cat.tcb.net ([64.78.150.134] helo=dog.tcb.net) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EUnLW-0006tk-Pd for l2vpn@ietf.org; Wed, 26 Oct 2005 11:37:48 -0400 Received: from [127.0.0.1] (dog.tcb.net [64.78.150.133]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by dog.tcb.net (Postfix) with ESMTP id AFC0664357 for ; Wed, 26 Oct 2005 09:23:42 -0600 (MDT) Message-ID: <435F9F80.7000604@castlepoint.net> Date: Wed, 26 Oct 2005 09:23:44 -0600 From: Shane Amante User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050716) X-Accept-Language: en-us, en MIME-Version: 1.0 To: l2vpn@ietf.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Scan-Signature: d17f825e43c9aed4fd65b7edddddec89 Content-Transfer-Encoding: 7bit Subject: draft-raggarwa-l2vpn-vpls-mcast-01 X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Folks, It seems as if we have good support for making draft-raggarwa-l2vpn-vpls-mcast-01.txt a L2VPN WG document. Rahul: Please re-publish this I-D as: draft-ietf-l2vpn-vpls-mcast-00.txt Thanks, -shane & Vach From l2vpn-bounces@ietf.org Wed Oct 26 14:03:05 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUpc8-0003Q9-TP; Wed, 26 Oct 2005 14:03:04 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUpc8-0003Q4-2D for l2vpn@megatron.ietf.org; Wed, 26 Oct 2005 14:03:04 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA10941 for ; Wed, 26 Oct 2005 14:02:49 -0400 (EDT) Received: from sj-iport-3-in.cisco.com ([171.71.176.72] helo=sj-iport-3.cisco.com) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EUppK-0003kx-05 for l2vpn@ietf.org; Wed, 26 Oct 2005 14:16:43 -0400 Received: from sj-core-1.cisco.com ([171.71.177.237]) by sj-iport-3.cisco.com with ESMTP; 26 Oct 2005 11:02:53 -0700 X-IronPort-AV: i="3.97,254,1125903600"; d="scan'208"; a="357099836:sNHT29316228" Received: from xbh-sjc-231.amer.cisco.com (xbh-sjc-231.cisco.com [128.107.191.100]) by sj-core-1.cisco.com (8.12.10/8.12.6) with ESMTP id j9QI2Rur027884; Wed, 26 Oct 2005 11:02:46 -0700 (PDT) Received: from xmb-sjc-21e.amer.cisco.com ([171.70.151.156]) by xbh-sjc-231.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Wed, 26 Oct 2005 11:02:41 -0700 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Date: Wed, 26 Oct 2005 11:02:41 -0700 Message-ID: <75B2A84D9323BC4CA3977CF378CE75EBB11BA8@xmb-sjc-21e.amer.cisco.com> Thread-Topic: draft-raggarwa-l2vpn-vpls-mcast-01.txt Thread-Index: AcXUG7IRXI8XwxmVSjK8lj4DCo5BEQFDiYvQADEPB5AAGXxEMA== From: "Ali Sajassi $sajassi$" To: "Yuji KAMITE" X-OriginalArrivalTime: 26 Oct 2005 18:02:41.0005 (UTC) FILETIME=[7502B9D0:01C5DA57] X-Spam-Score: 0.0 (/) X-Scan-Signature: f607d15ccc2bc4eaf3ade8ffa8af02a0 Content-Transfer-Encoding: quoted-printable Cc: l2vpn@ietf.org, Shane Amante Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Please refer to my comments inline ...=20 > -----Original Message----- > From: Yuji KAMITE [mailto:y.kamite@ntt.com]=20 > Sent: Wednesday, October 26, 2005 1:22 AM > To: Ali Sajassi (sajassi) > Cc: 'Shane Amante'; l2vpn@ietf.org > Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt >=20 > Hi, >=20 > > 2) Since multicast and unicast paths are different in the=20 > network, the=20 > > service provider or customer Ethernet OAM (802.1ag or ITU=20 > Y.17ethoam)=20 > > does not work because the Eth OAM frames are sent over one path or=20 > > another and thus the failure for one of them (either unicast or=20 > > multicast paths) cannot be detected anymore by this mechanism. >=20 > Basically I believe it is recommended that control frames=20 > (like BPDU) should be flooded over unicast, not over MDT; but=20 > let me ask some questions.=20 Yes, but how is it related to our discussion of EthOAM ?=20 >=20 > For example: >=20 > Suppose 802.1ag CC is enabled at customer domain (CE speaks=20 > .1ag), and VPLS core is capable of MDT as well as unicast PWs. >=20 > Natively CC would be forwarded on multicast scheme. > But I think > - if CC is aimed for unicast reachability, it is better for=20 > PE to encapsulate it over unicast PWs. > - if CC is aimed for multicast reachability, it is better=20 > for PE to encapsulate it over MDT. > because customer would wish that CC is flowing on the "real"=20 > data path in the core. > I'm wondering if it is possible for PE to differentiate it. >=20 Well that is the problem that I was referring to: because of divergent between unicast and mcast path in this scheme, you can send the EthOAM over one or the other and whichever one you choose, the other one is left unprotected. This problem doesn't exist in current VPLS and current bridged networks. -Ali > Link trace/loopback case might be a little different, but I'm=20 > not yet quite sure. >=20 > Interworking between customer CFM and VPLS-ping like things, =20 > might be possible to solve the issue, but possibly complicated. >=20 > -Yuji >=20 From l2vpn-bounces@ietf.org Wed Oct 26 15:51:07 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUrIh-0005YE-Do; Wed, 26 Oct 2005 15:51:07 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUrHj-0005HM-Nc; Wed, 26 Oct 2005 15:50:07 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA17797; Wed, 26 Oct 2005 15:49:51 -0400 (EDT) Received: from [132.151.6.50] (helo=newodin.ietf.org) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EUrUs-0007UK-UE; Wed, 26 Oct 2005 16:03:44 -0400 Received: from mlee by newodin.ietf.org with local (Exim 4.43) id 1EUrHe-00070f-86; Wed, 26 Oct 2005 15:50:02 -0400 Content-Type: Multipart/Mixed; Boundary="NextPart" Mime-Version: 1.0 To: i-d-announce@ietf.org From: Internet-Drafts@ietf.org Message-Id: Date: Wed, 26 Oct 2005 15:50:02 -0400 X-Spam-Score: 0.4 (/) X-Scan-Signature: 10d3e4e3c32e363f129e380e644649be Cc: l2vpn@ietf.org Subject: I-D ACTION:draft-ietf-l2vpn-radius-pe-discovery-02.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Layer 2 Virtual Private Networks Working Group of the IETF. Title : Using RADIUS for PE-Based VPN Discovery Author(s) : J. Heinanen, et al. Filename : draft-ietf-l2vpn-radius-pe-discovery-02.txt Pages : 18 Date : 2005-10-26 This document describes a strategy by which Provider Equipment (PE) can be dynamically provisioned for inclusion in PE-based Layer 2 Virtual Private Networks (L2VPNs). This layered strategy utilizes the Remote Authentication Dial In User Service (RADIUS) protocol as a centralized control mechanism and can be used in conjunction with other proposed mechanisms. The mechanisms described in this document enhance those established by RFC 2868 and conform to those described by the L2VPN Framework. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-l2vpn-radius-pe-discovery-02.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request@ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-l2vpn-radius-pe-discovery-02.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-l2vpn-radius-pe-discovery-02.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2005-10-26110310.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-l2vpn-radius-pe-discovery-02.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-l2vpn-radius-pe-discovery-02.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2005-10-26110310.I-D@ietf.org> --OtherAccess-- --NextPart-- From l2vpn-bounces@ietf.org Wed Oct 26 16:57:14 2005 Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUsKg-0002VL-0l; Wed, 26 Oct 2005 16:57:14 -0400 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EU0UU-00018y-Ar for l2vpn@megatron.ietf.org; Mon, 24 Oct 2005 07:27:46 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id HAA02892 for ; Mon, 24 Oct 2005 07:27:32 -0400 (EDT) Received: from szxga03-in.huawei.com ([61.144.161.55] helo=huawei.com) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EU0hC-0007iF-4a for l2vpn@ietf.org; Mon, 24 Oct 2005 07:40:56 -0400 Received: from huawei.com (szxga03-in [172.24.2.9]) by szxga03-in.huawei.com (iPlanet Messaging Server 5.2 HotFix 1.25 (built Mar 3 2004)) with ESMTP id <0IOV00I6M41YW4@szxga03-in.huawei.com> for l2vpn@ietf.org; Mon, 24 Oct 2005 19:32:22 +0800 (CST) Received: from szxml02-in ([172.24.1.6]) by szxga03-in.huawei.com (iPlanet Messaging Server 5.2 HotFix 1.25 (built Mar 3 2004)) with ESMTP id <0IOV00GT641VLT@szxga03-in.huawei.com> for l2vpn@ietf.org; Mon, 24 Oct 2005 19:32:22 +0800 (CST) Received: from h22280B ([10.110.102.65]) by szxml02-in.huawei.com (iPlanet Messaging Server 5.2 HotFix 1.25 (built Mar 3 2004)) with ESMTPA id <0IOV006IW48T1S@szxml02-in.huawei.com>; Mon, 24 Oct 2005 19:36:30 +0800 (CST) Date: Mon, 24 Oct 2005 19:28:45 +0800 From: Huke Hu Chun Zhe To: Stewart Bryant , Danny McPherson , lmartini@cisco.com, tnadeau@cisco.com, mduckett@bellsouth.net, vasile@nortelnetworks.com, matthew.bocci@alcatel.co.uk, balus@nortel.com Message-id: <001001c5d88e$18e0d2b0$41666e0a@china.huawei.com> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 X-Mailer: Microsoft Outlook Express 6.00.2800.1409 Content-type: multipart/related; boundary="Boundary_(ID_T+0PNRmdBXhn9QFtTJWF4A)"; type="multipart/alternative" X-Priority: 3 X-MSMail-priority: Normal X-Spam-Score: 1.4 (+) X-Scan-Signature: 38a35b5fc88e9b9a2affced027b040a4 X-Mailman-Approved-At: Wed, 26 Oct 2005 16:57:12 -0400 Cc: l2vpn@ietf.org Subject: One issue and its solution in PWE3 draft draft-ietf-pwe3-segmented-pw-00.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org This is a multi-part message in MIME format. --Boundary_(ID_T+0PNRmdBXhn9QFtTJWF4A) Content-type: multipart/alternative; boundary="Boundary_(ID_A4JFaV3mQd2ua/kzQOxuNA)" --Boundary_(ID_A4JFaV3mQd2ua/kzQOxuNA) Content-type: text/plain; charset=gb2312 Content-Transfer-Encoding: 7BIT Dear All: Plz Check following issue found in draft-ietf-pwe3-segmented-pw-00.txt and solutions we give below , Plz give your valable comments on it . Looping of Switch VCs Problem Description: Consider the case as shown in the figure where a loop of SPE [switch VC] is configured. In this case when a switch VCs are configured in a loop, we may end up in a situation where our request message are infinitely looped. In implementation where we opt to not store the unmatched remote mapping information, we use the request message to get the information again from the peers. Implementation that requires this feature to be enabled/disabled from a command require request to get the mapping information again. In the case thus described we end up in looping the request message infinitely. Suppose S-PE1 send request to S-PE2 and S-PE3. On receiving this request at S-PE2, we search and locate the corresponding Switch-VC configured; the operation now would be to send the request message to the other segment (PW) of this switch VC i.e. to S-PE3. When S-PE3 receives this request, find the switch VC and would send the request to the other segment (PW) i.e. to S-PE1. The S-PE1 would continue to send request message as described above. Thus the request message would loop around in this topology for ever. Solutions: 1) PW Switching point TLV 2) Hop Count 3) Time To Live (TTL) PW Switching point TLV The draft draft-ietf-pwe3-segmented-pw-xx [refer section 6.1.4] mentions the use of PW Switching point TLV in the mapping/notification message. This can be extended to the request message and the looping can be avoided. 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |1|0| PW sw TLV (0x096B) | PW sw TLV Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Variable Length Value | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Variable Length Value | | " | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ The Type Values are assigned as follows: Type Length Description 0x00 0 Reserved 0x01 4 PW ID of last PW traversed 0x02 variable PW Switching Point description string 0x03 4 IP address of PW Switching Point (Optional) We can attach the LSR-ID of S-PE every time we generate / send the request message, on receiving the request message a check is made to make sure that the router LSR ID is not present in this TLV. In the above case S-PE1 would receive the request message with the LSR-ID of S-PE1, S-PE2 and S-PE3. We discard the request message as S-PE1 LSR ID is present in the switching point TLV. In case of request message loop detection we do not send label release as done in the case of mapping/notification. Hop Count Another solution to avoid the looping of request message would be to append the Hop Count as done in draft draft-ietf-mpls-rfc3036bis-xx [refer section 3.4.4]. This would calculate the number of hops the request message propagates. Type Length Description 0x04 4 Hop Count of PW Switching Point traversed Follow the procedure to discard the request message once the Hop Count reaches a specified maximum value. Time to Live [TTL] Based on the above idea one can use a TTL field to avoid infinite looping of request messages. As the message traverse through the hop, the TTL value is thus decremented. The message is discarded when the field value is zero. Type Length Description 0x04 4 TTL field value The field can be initialized to specified value. 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([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EUaVp-0000G0-C9 for l2vpn@megatron.ietf.org; Tue, 25 Oct 2005 21:55:33 -0400 Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id VAA13435 for ; Tue, 25 Oct 2005 21:55:18 -0400 (EDT) Received: from szxga01-in.huawei.com ([61.144.161.53] helo=huawei.com) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EUais-0006KP-5E for l2vpn@ietf.org; Tue, 25 Oct 2005 22:09:04 -0400 Received: from huawei.com (szxga01-in [172.24.2.3]) by szxga01-in.huawei.com (iPlanet Messaging Server 5.2 HotFix 1.25 (built Mar 3 2004)) with ESMTP id <0IOY00KSG30CII@szxga01-in.huawei.com> for l2vpn@ietf.org; Wed, 26 Oct 2005 10:02:38 +0800 (CST) Received: from szxml02-in ([172.24.1.6]) by szxga01-in.huawei.com (iPlanet Messaging Server 5.2 HotFix 1.25 (built Mar 3 2004)) with ESMTP id <0IOY00MJI308HE@szxga01-in.huawei.com> for l2vpn@ietf.org; Wed, 26 Oct 2005 10:02:35 +0800 (CST) Received: from h22280B ([10.110.102.65]) by szxml02-in.huawei.com (iPlanet Messaging Server 5.2 HotFix 1.25 (built Mar 3 2004)) with ESMTPA id <0IOY008Q10ZRQF@szxml02-in.huawei.com> for l2vpn@ietf.org; Wed, 26 Oct 2005 09:19:04 +0800 (CST) Date: Wed, 26 Oct 2005 09:11:18 +0800 From: Huke Hu Chun Zhe To: l2vpn@ietf.org Message-id: <001e01c5d9ca$2b7164c0$41666e0a@china.huawei.com> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 X-Mailer: Microsoft Outlook Express 6.00.2800.1409 Content-type: multipart/alternative; boundary="Boundary_(ID_sJPD0IzqxdWkfnD0L1CahQ)" X-Priority: 3 X-MSMail-priority: Normal X-Spam-Score: 1.2 (+) X-Scan-Signature: 69a78ee79e7121d5e3529be34866f161 X-Mailman-Approved-At: Wed, 26 Oct 2005 16:57:12 -0400 Subject: One issue and its solution in PWE3 draft draft-ietf-pwe3-segmented-pw-00.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org This is a multi-part message in MIME format. --Boundary_(ID_sJPD0IzqxdWkfnD0L1CahQ) Content-type: text/plain; charset=gb2312 Content-Transfer-Encoding: 7BIT Dear All: Plz Check following issue found in draft-ietf-pwe3-segmented-pw-00.txt and solutions we give below , Plz give your valable comments on it . Looping of Switch VCs Problem Description: Consider the case as shown in the figure where a loop of SPE [switch VC] is configured. In this case when a switch VCs are configured in a loop, we may end up in a situation where our request message are infinitely looped. In implementation where we opt to not store the unmatched remote mapping information, we use the request message to get the information again from the peers. Implementation that requires this feature to be enabled/disabled from a command require request to get the mapping information again. In the case thus described we end up in looping the request message infinitely. SPE1 / \ / \ / \ / \ / \ / \ SPE2------------SPE3 Suppose S-PE1 send request to S-PE2 and S-PE3. On receiving this request at S-PE2, we search and locate the corresponding Switch-VC configured; the operation now would be to send the request message to the other segment (PW) of this switch VC i.e. to S-PE3. When S-PE3 receives this request, find the switch VC and would send the request to the other segment (PW) i.e. to S-PE1. The S-PE1 would continue to send request message as described above. Thus the request message would loop around in this topology for ever. Solutions: 1) PW Switching point TLV 2) Hop Count 3) Time To Live (TTL) PW Switching point TLV The draft draft-ietf-pwe3-segmented-pw-xx [refer section 6.1.4] mentions the use of PW Switching point TLV in the mapping/notification message. This can be extended to the request message and the looping can be avoided. 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |1|0| PW sw TLV (0x096B) | PW sw TLV Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Variable Length Value | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Variable Length Value | | " | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ The Type Values are assigned as follows: Type Length Description 0x00 0 Reserved 0x01 4 PW ID of last PW traversed 0x02 variable PW Switching Point description string 0x03 4 IP address of PW Switching Point (Optional) We can attach the LSR-ID of S-PE every time we generate / send the request message, on receiving the request message a check is made to make sure that the router LSR ID is not present in this TLV. In the above case S-PE1 would receive the request message with the LSR-ID of S-PE1, S-PE2 and S-PE3. We discard the request message as S-PE1 LSR ID is present in the switching point TLV. In case of request message loop detection we do not send label release as done in the case of mapping/notification. Hop Count Another solution to avoid the looping of request message would be to append the Hop Count as done in draft draft-ietf-mpls-rfc3036bis-xx [refer section 3.4.4]. This would calculate the number of hops the request message propagates. Type Length Description 0x04 4 Hop Count of PW Switching Point traversed Follow the procedure to discard the request message once the Hop Count reaches a specified maximum value. Time to Live [TTL] Based on the above idea one can use a TTL field to avoid infinite looping of request messages. As the message traverse through the hop, the TTL value is thus decremented. The message is discarded when the field value is zero. 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esmtp (Exim 4.43) id 1EVSQw-0001vu-7D; Fri, 28 Oct 2005 07:30:07 -0400 Received: from demail02.netfr.alcatel.fr (demail02.netfr.alcatel.fr [155.132.182.202]) by mailrelay1.alcatel.de (8.12.10/8.12.10/ICT TSC MAIL 2005) with ESMTP id j9SBFqG0023725; Fri, 28 Oct 2005 13:15:52 +0200 In-Reply-To: <75B2A84D9323BC4CA3977CF378CE75EBB11BA8@xmb-sjc-21e.amer.cisco.com> To: "Ali Sajassi $sajassi$" MIME-Version: 1.0 X-Mailer: Lotus Notes Release 6.5 September 26, 2003 Message-ID: Date: Fri, 28 Oct 2005 13:15:50 +0200 X-MIMETrack: Serialize by Router on DEMAIL02/DE/ALCATEL(Release 5.0.12HF868 | May 16, 2005) at 10/28/2005 13:15:51, Serialize complete at 10/28/2005 13:15:51 Content-Type: text/plain; charset="US-ASCII" X-Scanned-By: MIMEDefang 2.49 on 149.204.45.72 X-Spam-Score: 0.3 (/) X-Scan-Signature: 7fa173a723009a6ca8ce575a65a5d813 Cc: l2vpn@ietf.org, l2vpn-bounces@ietf.org, tsg15q12@itu.int Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt X-BeenThere: l2vpn@ietf.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: l2vpn.ietf.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: l2vpn-bounces@ietf.org Errors-To: l2vpn-bounces@ietf.org Ali, This issue is not unique to VPLS with MDT. It may also be present in provider backbone bridging and link aggregation will have it as well. Link aggregation resolves it quickly by taking the failed link out of the active group. Ethernet OAM is not meant to monitor the underlying server layer trails, in this case the MPLS LSPs. The MPLS layer is responsible for this and VPLS with MDT will have a few more trails to monitor then VPLS itself. As such, in a N point VPLS service each of the N endpoints has N-1 p2p LSP endpoints and N-1 MDT endpoints (one from each of the N-1 other endpoints). Connectivity for all these 2(N-1) LSPs is to be monitored to detect any fault. At a VPLS/MDT egress point X these 2(N-1) LSPs can be viewed as N-1 groups of two LSPs.: one p2p LSP and one branch of a p2mp LSP. These two come from the same ingress point Y. What the egress point now has to do is to combine the defect state of both the Y-to-X p2p and the p2mp LSP; if either of the two fails the traffic on both is blocked and ETH-AIS is generated. Regards, Maarten --------------------------------------------------------------------- Maarten Vissers Network and Product Strategy - Optical Networks Division Alcatel SEL AG Office: Lorenzstrasse 10; D-70435 Stuttgart; Germany Home office: Simone de Beauvoirlaan 7; 1277 BE Huizen; The Netherlands VoIP: +49 711 821 43528 Mobile: +31 65 141 8140 Email:Maarten.Vissers@alcatel.de "Ali Sajassi $sajassi$" Sent by: l2vpn-bounces@ietf.org 26-10-2005 20:02 To: "Yuji KAMITE" cc: l2vpn@ietf.org, Shane Amante Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt Please refer to my comments inline ... > -----Original Message----- > From: Yuji KAMITE [mailto:y.kamite@ntt.com] > Sent: Wednesday, October 26, 2005 1:22 AM > To: Ali Sajassi (sajassi) > Cc: 'Shane Amante'; l2vpn@ietf.org > Subject: RE: draft-raggarwa-l2vpn-vpls-mcast-01.txt > > Hi, > > > 2) Since multicast and unicast paths are different in the > network, the > > service provider or customer Ethernet OAM (802.1ag or ITU > Y.17ethoam) > > does not work because the Eth OAM frames are sent over one path or > > another and thus the failure for one of them (either unicast or > > multicast paths) cannot be detected anymore by this mechanism. > > Basically I believe it is recommended that control frames > (like BPDU) should be flooded over unicast, not over MDT; but > let me ask some questions. Yes, but how is it related to our discussion of EthOAM ? > > For example: > > Suppose 802.1ag CC is enabled at customer domain (CE speaks > .1ag), and VPLS core is capable of MDT as well as unicast PWs. > > Natively CC would be forwarded on multicast scheme. > But I think > - if CC is aimed for unicast reachability, it is better for > PE to encapsulate it over unicast PWs. > - if CC is aimed for multicast reachability, it is better > for PE to encapsulate it over MDT. > because customer would wish that CC is flowing on the "real" > data path in the core. > I'm wondering if it is possible for PE to differentiate it. > Well that is the problem that I was referring to: because of divergent between unicast and mcast path in this scheme, you can send the EthOAM over one or the other and whichever one you choose, the other one is left unprotected. This problem doesn't exist in current VPLS and current bridged networks. -Ali > Link trace/loopback case might be a little different, but I'm > not yet quite sure. > > Interworking between customer CFM and VPLS-ping like things, > might be possible to solve the issue, but possibly complicated. > > -Yuji >