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Reed-Solomon FEC scheme draft-ietf-rmt-fec-bb-rs-01.txt

Jérome Lacan (ENSICA) Vincent Roca (INRIA) Sami and Jani Peltotalo (TUT) July 10 th , 2006 http://planete-bcast.inrialpes.fr. Reed-Solomon FEC scheme draft-ietf-rmt-fec-bb-rs-01.txt. Differences w.r.t. previous version. Changes Clarified text, etc. Removed the IPR section too

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Reed-Solomon FEC scheme draft-ietf-rmt-fec-bb-rs-01.txt

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  1. Jérome Lacan (ENSICA) Vincent Roca (INRIA) Sami and Jani Peltotalo (TUT) July 10th, 2006 http://planete-bcast.inrialpes.fr Reed-Solomon FEC schemedraft-ietf-rmt-fec-bb-rs-01.txt

  2. Differences w.r.t. previous version Changes Clarified text, etc. Removed the IPR section too A point that we need to discuss Remark from Brian: is it possible to have an FPI format optimized for GF(28) codes instead of having the same FPI for all GF(2m) codes? Our proposal: the FPI is composed of two variable length fields Source block number: 32-m bits long Enc. Symbol ID: m bits long

  3. Differences w.r.t. previous version... (cont') if m=8: if m=16: where m defines the GF size (GF(2m)) and is carried in the FEC OTI  m is known before FPI are used! Is it acceptable? We think it's in line with the FEC BB I-D... If yes, then the I-D is ready for WGLC 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Source Block Number (24 bits) | Enc. Symb. ID | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Source Block Number (16 bits) | Enc. Symbol ID (16 bits) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

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