Re: [MMUSIC] RFC 6190 Single Session Transport
Bernard Aboba <bernard_aboba@hotmail.com> Fri, 19 July 2013 02:02 UTC
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From: Bernard Aboba <bernard_aboba@hotmail.com>
To: Jonathan Lennox <jonathan@vidyo.com>
Date: Thu, 18 Jul 2013 19:02:16 -0700
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Cc: "mmusic@ietf.org" <mmusic@ietf.org>
Subject: Re: [MMUSIC] RFC 6190 Single Session Transport
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Jonathan said: "I don't understand how single-session multi-source transmission will work without either a) signaling "a=ssrc-group DDP" decoding dependencies, or b) making various implementation-specific assumptions about the structure of the SVC streams." [BA] In terms of SDP choices for expressing layering within a single m line, you can either go the a=ssrc-group:DDP route, or use distinct payload types for each layer and RFC 5583 a=group:DDP (this is what "Unified Plan" Section 4.7 appears to advocate). I'm not sure how "MST within a single session" could be expressed in SDP without BUNDLE. Was the idea to use multiple m lines and group them together but use the same port?
- [MMUSIC] RFC 6190 Single Session Transport Bernard Aboba
- Re: [MMUSIC] RFC 6190 Single Session Transport Adam Roach
- Re: [MMUSIC] RFC 6190 Single Session Transport Mo Zanaty (mzanaty)
- Re: [MMUSIC] RFC 6190 Single Session Transport Bernard Aboba
- Re: [MMUSIC] RFC 6190 Single Session Transport Jonathan Lennox
- Re: [MMUSIC] RFC 6190 Single Session Transport Bernard Aboba
- Re: [MMUSIC] RFC 6190 Single Session Transport Jonathan Lennox
- Re: [MMUSIC] RFC 6190 Single Session Transport Roni Even
- Re: [MMUSIC] RFC 6190 Single Session Transport Mo Zanaty (mzanaty)