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 primarily for the benefit of the
operational area directors.  Document editors and WG chairs should
treat these comments just like any other last call comments.

Tom Taylor



Summary: Process issue: IDnits complains of a normative reference to 


Informational document RFC 6755. This was NOT noted in the Last Call 


announcement (but was noted in the Shepherd writeup). No operational 


issue identified beyond what is already covered by the Interoperability 


Considerations section.




Editorial Nits:



S2.2: The paragraph before the actual example uses terminology 


inconsistent with RFC 6749:




 s/authorization code grant/authorization grant/