Re: [MMUSIC] Open Issues: draft-ietf-mmusic-sdp-simulcast-03

Paul Kyzivat <pkyzivat@alum.mit.edu> Tue, 27 October 2015 19:17 UTC

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To: Bo Burman <bo.burman@ericsson.com>, Christer Holmberg <christer.holmberg@ericsson.com>, Suhas Nandakumar <suhasietf@gmail.com>
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From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Subject: Re: [MMUSIC] Open Issues: draft-ietf-mmusic-sdp-simulcast-03
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On 10/27/15 2:30 PM, Bo Burman wrote:
> Simulcast is defined to take bundle into account. It relies on the use
> of RID  or PT identification, but simulcast scope is per definition
> local to the surrounding “m=” line and simulcast extends the
> identification space by adding bundle MID identification in case of
> bundling. Therefore, it is not affected by multiplexing, meaning NORMAL.

OK. Martin and I have provided you with some suggested text revisions 
regarding the syntax and registration of the attribute. While that text 
has most of the stuff needed for the IANA registration, it doesn't have 
info about multiplexing. If you incorporate the suggestion into the 
draft, you can put in the info about multiplexing.

	Thanks,
	Paul

> /Bo
>
> *From:*mmusic [mailto:mmusic-bounces@ietf.org] *On Behalf Of *Christer
> Holmberg
> *Sent:* den 26 oktober 2015 14:17
> *To:* Suhas Nandakumar; Paul Kyzivat
> *Cc:* mmusic@ietf.org
> *Subject:* Re: [MMUSIC] Open Issues: draft-ietf-mmusic-sdp-simulcast-03
>
> Hi,
>
> ...
>
>>I think that RID is not affected my multiplexing and the category must
> be NORMAL.
>
> I agree that RID is probably NORMAL.
>
> Regarding the ‘simulcast’ attribute, it would be nice to get some input
> from the simulcast folks.
>
> If you have bundled multiple media, assuming it is ok to simulcast only
> parts of that media? If so, I guess the category would be NORMAL.
>
> Regards,
>
> Christer
>