Re: [MMUSIC] BUNDLE Weekly Summary: Assumptions

Paul Kyzivat <pkyzivat@alum.mit.edu> Mon, 13 May 2013 19:34 UTC

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Date: Mon, 13 May 2013 15:34:08 -0400
From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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To: Jonathan Lennox <jonathan@vidyo.com>
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Cc: "mmusic@ietf.org" <mmusic@ietf.org>, Christer Holmberg <christer.holmberg@ericsson.com>
Subject: Re: [MMUSIC] BUNDLE Weekly Summary: Assumptions
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On 5/13/13 3:24 PM, Jonathan Lennox wrote:
>
> On May 13, 2013, at 2:46 PM, Paul Kyzivat wrote:
>
>> Surely the bundle draft must specify this.
>>
>> My first thought is that the address/port of the *first* m-line in the
>> bundle with a non-zero port will be used for the entire bundle.
>>
>> (This means that when you initially offer a bundle with a bunch of
>> separate ports, you not only must be prepared to use each of those for
>> an unbundled m-line, you must be prepared to use any of them for the
>> complete bundle.)
>
> An offerer sends an initial offer with a bundle of two m-lines: one with port 20000, one with 30000.
>
> The answerer answers, rejecting the first m-line (with port zero) but accepting the bundle.
>
> Should the answerer send traffic to port 20000 or port 30000?

Well, I hadn't considered that possibility, but it is one.

It seems a little weird, but it might have have some benefits for 
implementation.

I guess I don't have a strong opinion, other than the spec must clearly 
say which way it will be.

	Thanks,
	Paul