Thanks Christer, that all looks good to me,

Regards
   Brian

On 13-Jul-20 20:58, Christer Holmberg wrote:
> Hi Brian,
> 
> Thank You for the review! Please see inline.
> 
> 
> 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.
> 
> The MMUSIC WG has previously decided to take the approach of only writing the 
> new value, using the "/=" format.
> 
> ---
> 
>>>                  ; Add "dc" to existing transports per [RFC4975]
>>>
>>> I suggest
>>>
>>>                 ; Add "dc" to existing transports per Section 9 of [RFC4975]
> 
> Will modify as suggested.
> 
> ---
> 
>>> 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?
> 
> The reason for "must" is that is referring to generic data channel SDP O/A 
> procedures.
> 
> I suggest to remove the paragraph.
> 
> ---
> 
>>> B2BUA
>>>
>>> Define the acronym please.
> 
> We normally don't do that in MMUSIC specifications. Also, it is on the IETF 
> list of well-known acronyms.
> 
> Having said that, I am fine to enhance it on first occurrence: 'Back-to-Back 
> User Agent (B2BUA)'
> 
> ---
> 
>>> 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/
> 
> Will modify as suggested.
> 
> ---
> 
>>> 11.  CHANGE LOG
>>>
>>> Mark this section for deletion by the RFC Editor
> 
> I think the RFC Editor will delete it by default, but we can add explicit 
> text.
> 
> Regards,
> 
> Christer
> 

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