I have reviewed this document as part of the Operational directorate's ongoing effort to review all IETF documents being processed by the IESG.  These comments were written with the intent of improving the operational
 aspects of the 




IETF drafts. Comments that are not addressed in last call may be included in AD reviews during the IESG review.  Document editors and WG chairs should treat these comments just like any other last call comments.





 




This document is well-written, clear and almost ready to be published. I have however some comments:




 




1/ I share the comment from Barry regarding "MUST support POST, and MAY support GET" in section 2.1.




2/ Sorry if it is obvious but there is no indication on how the protected resources discover the introspection endpoint to which send the request. It might be explained in some other documents but we could find this information
 in this document as well (or at least a reference).




 




Minors comments:




 




sect 2.1: 




 




   The endpoint MAY allow other parameters to provide further context to




   the query.  For instance, an authorization service may need to know




   the IP address of the client accessing the protected resource in




   order to determine the appropriateness of the token being presented.




 




Which endpoint are you referring to at the beginning of the sentence? introspection endpoint, Authorization endpoint, token endpoint, other ? I guess it is the first one but please clarify.




 




In the second sentence, I think it is "authorization server" instead of "authorization service"




 




Regards,




 




Lionel







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