Re: [MMUSIC] WGLC for draft-ietf-mmusic-data-channel-sdpneg

Paul Kyzivat <pkyzivat@alum.mit.edu> Sat, 06 February 2016 18:44 UTC

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From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Date: Sat, 6 Feb 2016 13:44:08 -0500
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Subject: Re: [MMUSIC] WGLC for draft-ietf-mmusic-data-channel-sdpneg
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On 2/4/16 10:43 PM, Christian Groves wrote:
> Isn't this the approach we're taking today?
> draft-ietf-mmusic-data-channel-sdpneg has general text and specific
> drafts are used to describe protocols that use the mechanism (i.e.
> draft-ietf-mmusic-msrp-usage-data-channel & draft-ietf-clue-datachannel).

It remains to be seen if that will be enough. E.g., there currently 
aren't any iana considerations in draft-ietf-mmusic-msrp-usage-data-channel.

Suppose I encounter some sdp that uses msrp over a data channel, but 
that usage is unknown to me. How do I find the spec (the reference to 
draft-ietf-mmusic-msrp-usage-data-channel) that defines that usage?

I would like to think that the iana registries will allow me to trace 
back to the relevant specs.

	Thanks,
	Paul

> Regards, Christian
>
> On 4/02/2016 3:58 PM, Paul Kyzivat wrote:
>> On 2/3/16 5:42 PM, Flemming Andreasen wrote:
>>
>>> I'm not concerned about the IANA part. I agree that *if* we need to
>>> expliclty specify attribute interactions for "dcsa", then it should be
>>> part of the IANA registry. What I am not agreeing with at this point is
>>> that there is indeed a need to explicitly speficy these interactions as
>>> opposed to relying on a more general algorithmic approach (plus the
>>> offerer being responsible for generating a valid offer if he wants to
>>> establish a data channel).
>>
>> Well, an obvious one is that the protocol(s) the attribute pertains to
>> need to be defined to work over data channels.
>>
>>     Thanks,
>>     Paul
>>
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