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

Suhas Nandakumar <suhasietf@gmail.com> Tue, 27 October 2015 22:43 UTC

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Date: Tue, 27 Oct 2015 15:43:08 -0700
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From: Suhas Nandakumar <suhasietf@gmail.com>
To: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Cc: "mmusic@ietf.org" <mmusic@ietf.org>, Christer Holmberg <christer.holmberg@ericsson.com>
Subject: Re: [MMUSIC] Open Issues: draft-ietf-mmusic-sdp-simulcast-03
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On Tue, Oct 27, 2015 at 12:17 PM, Paul Kyzivat <pkyzivat@alum.mit.edu>
wrote:

>
>
> 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.
>


[Suhas] .. I too think that both the RID and Simulcast draft needs to add a
statement assigning the Mux category as defined in
https://tools.ietf.org/html/draft-ietf-mmusic-sdp-mux-attributes-10#section-15
as IANA recommendation.



>
>         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
>>
>>
>