Re: [MMUSIC] Publication has been requested for draft-ietf-mmusic-msrp-usage-data-channel-20

["Murray S. Kucherawy" <[e-mail]>]

On Mon, Jul 6, 2020 at 10:56 AM Christer Holmberg <
[e-mail]> wrote:

> We previously agreed to add “dcsa(<protocol>)” to the ‘Usage Level’ column
> for SDP attributes that can be used together with SDP ‘dcsa’ attributes.
>
>
>
> We are using the same terminology as in
> https://www.ietf.org/id/draft-ietf-mmusic-t140-usage-data-channel-14.txt
> (Sections 9.2., 9.3. and 9.4), and in the registry you can see that
> ‘dcsa(t140)’ has been added to the ‘Usage Level’ column for SDP attributes
> that can be used together with an SDP dcsa attribute associated with a
> T.140 data channel.
>
>
>
> Having said that, I do agree that the “adds a reference” text in the
> second paragraph might be confusing. I suggest to modify the text, and
> combine the 2 first paragraphs into a single paragraph:
>
>
>
> OLD:
>
>
>
>    This document modifies the usage of the SDP setup attribute, if this
>
>    attribute is included in an SDP 'dcsa' attribute associated to an
>
>    MSRP data channel.  The modified usage is described in Section 4.5.
>
>
>
>    This document also adds a reference to the following attributes in
>
>    the Session Description Protocol (SDP) Parameters registry, if these
>
>    attributes are included in SDP 'dcsa' attributes associated to an
>
>    MSRP data channel.  Usage of these attributes is described in section
>
>    Section 4.4:
>
>
>
> NEW:
>
>
>
>    This document modifies the usage of a set of SDP attributes, if any of
> those
>
>    attributes is included in an SDP ‘dsca’ attribute associated with an
>
>    MSRP data channel. The modified usage of the SDP ‘setup’ attribute is
>
>    described in Section 4.5. The usage of the other SDP attributes is
> described
>
>    in Section 4.4.
>

Yes, this is better, thank you!  It might help further to mention
specifically that you're updating the "att-field" sub-registry of the
Session Description Protocol (SDP) Parameters registry.

With that and the minor other things all cleared up, I'm going to go
prepare the Last Call request.  Please post a revision update at your
convenience.

-MSK