Re: [MMUSIC] "a=extmap" with BUNDLE

Suhas Nandakumar <suhasietf@gmail.com> Tue, 28 March 2017 06:43 UTC

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From: Suhas Nandakumar <suhasietf@gmail.com>
Date: Tue, 28 Mar 2017 01:43:21 -0500
Message-ID: <CAMRcRGQm3oKeS+gGLreq_xfhfb5UYFHhPmFN9QSysCz4DwE4Eg@mail.gmail.com>
To: "Mo Zanaty (mzanaty)" <mzanaty@cisco.com>
Cc: Paul Kyzivat <paul.kyzivat@comcast.net>, "mmusic@ietf.org" <mmusic@ietf.org>
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Subject: Re: [MMUSIC] "a=extmap" with BUNDLE
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Since extmap is currently categorized under category of SPECIAL, at the
minimum we need BUNDLE draft to describe its behavior for MID RTP Header
extension under multiplexing, if it is not already doing so



On Tue, Mar 28, 2017 at 1:20 AM, Mo Zanaty (mzanaty) <mzanaty@cisco.com>
wrote:

> The issue is uniqueness of the extmap id for mid not the mid value itself
> (identification-tag).
>
> Mo
>
> On Mar 27, 2017, at 10:38 PM, Paul Kyzivat <paul.kyzivat@comcast.net>
> wrote:
>
> On 3/27/17 7:08 PM, Iñaki Baz Castillo wrote:
>
> > So IMHO, the immediate issue is in BUNDLE spec [*] which defines the
> > MID stuff but does not mandate the MID ID to be unique in the whole
> > SDP.
>
> This is already required by section 4 of RFC5888:
>
>   The identification-tag MUST be unique within an SDP session
>   description.
>
>    Thanks,
>    Paul
>
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