Re: [AVT] I-D ACTION:draft-ietf-avt-ulp-18.txt

On 29 Jun 2006, at 07:50, Internet-Drafts@ietf.org wrote:
> A New Internet-Draft is available from the on-line Internet-Drafts  
> directories.
> This draft is a work item of the Audio/Video Transport Working  
> Group of the IETF.
>
> 	Title		: RTP Payload Format for Generic Forward Error Correction
> 	Author(s)	: A. Li
> 	Filename	: draft-ietf-avt-ulp-18.txt
> 	Pages		: 42
> 	Date		: 2006-6-28
> 	
> This document specifies a payload format for generic Forward
>    Error Correction (FEC) for media data encapsulated in RTP. It is
>    based on the exclusive-or (parity) operation. The payload format
>    described in this draft allows end systems to apply protection
>    using various protection lengths and levels, in addition to
>    using various protection group sizes to adapt to different media
>    and channel characteristic. It enables complete recovery of the
>    protected packets or partial recovery of the critical parts of
>    the payload depending on the packet loss situation. This scheme
>    is completely compatible with non-FEC capable hosts, so the
>    receivers in a multicast group that do not implement FEC can
>    still work by simply ignoring the protection data. This
>    specification obsoletes RFC 2733 and RFC 3009. The FEC specified
>    in this document is not backward compatible with RFC 2733 and
>    RFC 3009.
>
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-avt-ulp-18.txt

This version removes the distinction between baseline and extended  
mode FEC, and makes a number of other changes, as a result of IESG  
and expert review comments. Review from the working group is  
solicited as this goes to IETF last call.

Colin

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