Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-simulcast-13.txt

Bo Burman <bo.burman@ericsson.com> Wed, 27 June 2018 08:52 UTC

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From: Bo Burman <bo.burman@ericsson.com>
To: "mmusic@ietf.org" <mmusic@ietf.org>
Thread-Topic: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-simulcast-13.txt
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Date: Wed, 27 Jun 2018 08:52:39 +0000
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Subject: Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-simulcast-13.txt
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This version should address all IESG comments received so far:
   o  Examples corrected to follow RID ABNF.
   o  Example Figure 7 now comments on priority for second media source.
   o  Clarified a SHOULD limitation.
   o  Added urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id in
      examples with RTX.
   o  ABNF now uses RFC 7405 to indicate case sensitivity
   o  Various minor editorials and nits.

/Bo

> -----Original Message-----
> From: mmusic <mmusic-bounces@ietf.org> On Behalf Of internet-drafts@ietf.org
> Sent: den 27 juni 2018 10:46
> To: i-d-announce@ietf.org
> Cc: mmusic@ietf.org
> Subject: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-simulcast-13.txt
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Multiparty Multimedia Session Control WG of the IETF.
> 
>         Title           : Using Simulcast in SDP and RTP Sessions
>         Authors         : Bo Burman
>                           Magnus Westerlund
>                           Suhas Nandakumar
>                           Mo Zanaty
> 	Filename        : draft-ietf-mmusic-sdp-simulcast-13.txt
> 	Pages           : 41
> 	Date            : 2018-06-27
> 
> Abstract:
>    In some application scenarios it may be desirable to send multiple
>    differently encoded versions of the same media source in different
>    RTP streams.  This is called simulcast.  This document describes how
>    to accomplish simulcast in RTP and how to signal it in SDP.  The
>    described solution uses an RTP/RTCP identification method to identify
>    RTP streams belonging to the same media source, and makes an
>    extension to SDP to relate those RTP streams as being different
>    simulcast formats of that media source.  The SDP extension consists
>    of a new media level SDP attribute that expresses capability to send
>    and/or receive simulcast RTP streams.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-mmusic-sdp-simulcast/
> 
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-mmusic-sdp-simulcast-13
> https://datatracker.ietf.org/doc/html/draft-ietf-mmusic-sdp-simulcast-13
> 
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-mmusic-sdp-simulcast-13
> 
> 
> Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are
> available at tools.ietf.org.
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
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