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Re: [MMUSIC] Magnus Westerlund's Discuss on draft-ietf-mmusic-t140-usage-data-channel-12: (with DISCUSS)

Christer Holmberg <christer.holmberg@ericsson.com> Tue, 07 April 2020 12:58 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Magnus Westerlund <magnus.westerlund@ericsson.com>, The IESG <iesg@ietf.org>
CC: "draft-ietf-mmusic-t140-usage-data-channel@ietf.org" <draft-ietf-mmusic-t140-usage-data-channel@ietf.org>, "mmusic-chairs@ietf.org" <mmusic-chairs@ietf.org>, "mmusic@ietf.org" <mmusic@ietf.org>, Flemming Andreasen <fandreas@cisco.com>
Thread-Topic: Magnus Westerlund's Discuss on draft-ietf-mmusic-t140-usage-data-channel-12: (with DISCUSS)
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Date: Tue, 07 Apr 2020 12:58:02 +0000
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Subject: Re: [MMUSIC] Magnus Westerlund's Discuss on draft-ietf-mmusic-t140-usage-data-channel-12: (with DISCUSS)
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Hi Magnus,

Thank You for the review! Please see inline.

----------------------------------------------------------------------
DISCUSS:
----------------------------------------------------------------------
    
>    Section 4.1:
>    
>       The offerer and answerer MUST NOT include the max-retr or the max-
>       time attribute parameters in the 'dcmap' attribute.
>    
>    This is just an example of a issue that is exists in basically all of the RFC
>    2119 terminolgy using sentences in this section. The formulation is that the
>    offerer or answerer must do something with attributes or parameters of the
>    dcmap attribute. However, it is not stated to be specific to the dcmap
>    attribute that specifically specify something for a T.140 SCTP stream. I think
>    that scope restriction needs to be made more explicit for these RFC 2119
>    statements. Else they would have applicability as soon as one support this
>    specification.
  
The last sentence of Section 4 says:

"This section defines the SDP considerations that are specific to a T.140 data channel."

Regards,

Christer

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