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Re: [MMUSIC] Better way to not-really-offer constituent media descriptions

Paul Kyzivat <pkyzivat@alum.mit.edu> Wed, 27 February 2013 22:47 UTC

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Date: Thu, 28 Feb 2013 06:45:45 +0800
From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Subject: Re: [MMUSIC] Better way to not-really-offer constituent media descriptions
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On 2/28/13 5:56 AM, Dale R. Worley wrote:

> (The idea that we can have the answerer suppress the constituent MDs
> rather than the offerer is taken from
> draft-ejzak-mmusic-bundle-alternatives-01.)
...
> If the answerer understands bundling, the answer is as before, with a
> non-zero port but a null address for the constituent MDs.  (I assume
> that intermediate devices realize that a null address means that it
> will see no media on that transport flow.)

If an O/A exchange has been concluded and the result is that one end has 
a valid address, and the other end has null (zero/.invalid) address, 
can't that be construed as establishing a oneway media stream where RTCP 
is also oneway?

I don't think this has ever been discussed.

	Thanks,
	Paul

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