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RaptorQ Forward Error Correction Scheme for Object Delivery

IETF #80 – Prague 30 March 2011. RaptorQ Forward Error Correction Scheme for Object Delivery. draft-ietf-rmt-bb-fec-raptorq-05 Michael Luby Amin Shokrollahi Mark Watson Thomas Stockhammer Lorenz Minder. Status. Last updated: 2011-03-07 State: IESG Evaluation

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RaptorQ Forward Error Correction Scheme for Object Delivery

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  1. IETF#80 –Prague 30 March 2011 RaptorQ Forward Error Correction Scheme for Object Delivery draft-ietf-rmt-bb-fec-raptorq-05 Michael Luby AminShokrollahi Mark Watson Thomas Stockhammer Lorenz Minder

  2. Status • Last updated: • 2011-03-07 • State: • IESG Evaluation • On agenda of 2011-04-14 IESG telechat

  3. Changes from -04 to -05 • Minor rewordings • A few small rewordings to make it easier to read • A few typos fixed (e.g., s/generated generated/generated/) • Added a short description of math background needed to read • Expanded Section 5.1.1 and deleted Section 5.1.3 (relevant portions incorporated into 5.1.1) • Added informative reference and expanded description of notation in a couple of cases • Added Section 4.4.3 • Briefly describes receiver decoding with limited memory using sub-blocking • Informative – no changes to spec • Changed “1” to “non-zero” as appropriate in Section 5.4.2.2 • Changes were based on feedback from Dave Harrington (AD) and Joel Halpern (Gen-art)

  4. Additional changes to be made • In Section 3.2.3 • Change Z from a 12-bit field to a 8-bit field • Makes size of Z field (number of source blocks) consistent with Section 3.1 • Change N from a 12-bit field to a 16-bit field • No impact – (only increases possible values of N) • Maintains sum of Z and N field sizes the same (3 octets)

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