Gen-ART Last Call review of draft-ietf-mmusic-msrp-usage-data-channel-21 I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please treat these comments just like any other last call comments. For more information, please see the FAQ at . Document: draft-ietf-mmusic-msrp-usage-data-channel-21 Reviewer: Brian Carpenter Review Date: 2020-07-13 IETF LC End Date: 2020-07-21 IESG Telechat date: Summary: Ready with nits -------- Nits: ----- >> 4.1. MSRP URI ... >> transport /= "dc" I see that RFC7977 takes a slightly different approach to updating the ABNF: >> transport = "tcp" / "ws" / 1*ALPHANUM The advantage of listing out transport = "tcp" / "ws" / "dc" / 1*ALPHANUM would be that the reader sees the full list. >> ; Add "dc" to existing transports per [RFC4975] I suggest ; Add "dc" to existing transports per Section 9 of [RFC4975] >>4.6. Session Closing >> The SDP answerer must ensure that no dcmap or dcsa attributes are >> present in the SDP answer if no corresponding attributes are present >> in the received SDP offer. Should that be MUST? >> B2BUA Define the acronym please. >> 9.2. Subprotocol Identifier MSRP >> >> A reference to this document is added to the subprotocol identifier >> "msrp" in the "WebSocket Subprotocol Name Registry" s/this document/RFCXXXX/ >> 11. CHANGE LOG Mark this section for deletion by the RFC Editor