Re: [MMUSIC] BUNDLE Weekly Summary: Assumptions

Eric Rescorla <ekr@rtfm.com> Fri, 10 May 2013 22:06 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Fri, 10 May 2013 15:05:46 -0700
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To: "Cullen Jennings (fluffy)" <fluffy@cisco.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 Fri, May 10, 2013 at 2:21 PM, Cullen Jennings (fluffy)
<fluffy@cisco.com>wrote;wrote:

>
> On May 3, 2013, at 6:53 AM, Christer Holmberg <
> christer.holmberg@ericsson.com> wrote:
>
> > Hi,
> >
> > In order to try to close issues on BUNDLE, based on the discussions
> we’ve had, I intend to update the BUNDLE draft based on the following
> assumptions:
> >
> > 1.       We mandate usage of rtcp-mux when BUNDLE is used.
>
> agree with this
>
> >
> > 2.       SDP m- lines with a zero port value MUST NOT be put inside a
> BUNDLE group (not in an offer, nor in an answer). There will be a note
> indicating that, due to this, the number of m- lines associated with a
> BUNDLE group may differ between the offer and the associated answer. There
> will also be a note indicating that this is due to RFC 5888, in case people
> later start to wonder where the “MUST NOT” comes from.
>
> object to this. I think EKR's idea of doing this explicitly in an offer to
> indicate that the line is only being offered in a bundle is a good one.
>
>
I'm sorry to be slow today, but can you point me to the specific MUST NOT
in RFC 5888.

-Ekr