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

Paul Kyzivat <pkyzivat@alum.mit.edu> Thu, 10 March 2016 17:00 UTC

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From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Date: Thu, 10 Mar 2016 11:57:16 -0500
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Subject: Re: [MMUSIC] WGLC for draft-ietf-mmusic-data-channel-sdpneg
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On 3/10/16 10:21 AM, Juergen Stoetzer-Bradler wrote:
> Paul, Christian,
>
> In such a consolidated registry, assumingly the "source" and "dcsa"
> contexts of most attributes, which are registered today in any of the
> existing IANA tables, would stay empty, as most attributes would not
> specifically be described or specified for these two context?

Yes, that is my thinking.

	Thanks,
	Paul

> Thanks,
> Juergen
>
> On 10.03.2016 00:18, EXT Christian Groves wrote:
>> Hello Paul, all,
>>
>> On 10/03/2016 5:55 AM, Paul Kyzivat wrote:
>>> In my opinion we should start out assuming that the existing
>>> attribute registries are consolidated into one, with an extra column,
>>> as has been planned.
>>>
>>> Then we consider how to build on that.
>>>
>>> My thought is that "dcsa" simply becomes another context, alongside
>>> "session", "media", and "source". A given attribute could be valid in
>>> any combination of those.
>>
>>> And then the reference section of that entry should get a reference
>>> to every document that pertains to that attribute.
>> [CNG] I'm happy to go with that suggestion.
>>
>>>
>>> That does leave the issue Juergen raises: you might need to read a
>>> bunch of documents to find which ones pertain to usage in dcsa, and
>>> to a particular subprotocol.
>> [CNG] An implementor should read these documents anyway if they're
>> going to implement a sub-protocol.
>>>
>>> We could consider further enhancements to the registry to make that
>>> sort of query easier. Or we could just assume it won't be a problem
>>> often enough to bother.
>>
>> Regards, Christian
>>
>> ..snip
>>
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