Re: [Rmt] I-D ACTION:draft-ietf-rmt-bb-fec-rs-03.txt

Hello,

We have updated the Reed-Solomon I-D, following Brian's suggestions. The main
changes WRT version 02 are:

- we added FEC Encoding ID 5 that describes the special case of RS codes over
  GF(2^^8) with exactly one symbol per packet. The FEC Encoding ID 2 (general
  case) remains untouched;

- we added FEC Instance ID 0 to be used with the Small Block Systematic FEC Scheme
  (FEC Encoding ID 129), for the special case of RS codes over GF(2^^8) with exactly
  one symbol per packet;

- we clarified text in section 6.4 as requested by Brian;

- we added the security section instead of pointing to the Basic FEC Scheme I-D,
  as suggested by Magnus;

- and of course we updated the various references.

You can find the detailed diff between the 02 and 03 versions at:

http://planete.inrialpes.fr/~roca/doc/fec-rs_02_versus_03_diff.html

Cheers,

   Jérôme, Vincent, Jani, Sami.

Internet-Drafts@ietf.org a écrit :
> A New Internet-Draft is available from the on-line Internet-Drafts 
> directories.
> This draft is a work item of the Reliable Multicast Transport Working Group of the IETF.
> 
> 	Title		: Reed-Solomon Forward Error Correction (FEC) Schemes
> 	Author(s)	: J. Lacan, et al.
> 	Filename	: draft-ietf-rmt-bb-fec-rs-03.txt
> 	Pages		: 29
> 	Date		: 2007-5-7
> 	
> This document describes a Fully-Specified FEC Scheme for the Reed-
>    Solomon forward error correction codes over GF(2""m), with m in
>    {2..16}, and its application to the reliable delivery of data objects
>    on the packet erasure channel.
> 
>    This document also describes a Fully-Specified FEC Scheme for the
>    special case of Reed-Solomon codes over GF(2""8) when there is no
>    encoding symbol group.
> 
>    Finally, in the context of the Under-Specified Small Block Systematic
>    FEC Scheme (FEC Encoding ID 129), this document assigns an FEC
>    Instance ID to the special case of Reed-Solomon codes over GF(2""8).
> 
>    Reed-Solomon codes belong to the class of Maximum Distance Separable
>    (MDS) codes, i.e. they enable a receiver to recover the k source
>    symbols from any set of k received symbols.  The schemes described
>    here are compatible with the implementation from Luigi Rizzo.
> 
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-rmt-bb-fec-rs-03.txt

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