Re: [MMUSIC] RFC5576 support in draft-ietf-mmusic-sdp-simulcast-06

Adam Roach <adam@nostrum.com> Wed, 02 November 2016 19:59 UTC

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To: Roni Even <ron.even.tlv@gmail.com>, mmusic@ietf.org
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From: Adam Roach <adam@nostrum.com>
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Date: Wed, 02 Nov 2016 14:59:44 -0500
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Subject: Re: [MMUSIC] RFC5576 support in draft-ietf-mmusic-sdp-simulcast-06
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On 11/2/16 13:07, Roni Even wrote:
>
> Hi,
>
> I noticed that section 5 state that “It is possible, but not required 
> to use source-specific signaling [RFC5576 
> <https://tools.ietf.org/html/rfc5576>] with the proposed solution.”
> I was wondering what does it mean since if I try to add a=ssrc   to 
> the example in 6.6.1, there will be two a=sscr:xxx 
> cname:simulcast@example.com and a=sscr:yyy canme:simulcast@example.com 
> but it is not clear which ssrc is the HD and which is the thumbnail

That's what RID is for.

/a