RFC 3453 (rfc3453) - Page 1 of 18


The Use of Forward Error Correction (FEC) in Reliable Multicast



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Network Working Group                                            M. Luby
Request for Comments: 3453                              Digital Fountain
Category: Informational                                      L. Vicisano
                                                                   Cisco
                                                              J. Gemmell
                                                               Microsoft
                                                                L. Rizzo
                                                              Univ. Pisa
                                                              M. Handley
                                                                    ICIR
                                                            J. Crowcroft
                                                         Cambridge Univ.
                                                           December 2002


    The Use of Forward Error Correction (FEC) in Reliable Multicast

Status of this Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2002).  All Rights Reserved.

Abstract

   This memo describes the use of Forward Error Correction (FEC) codes
   to efficiently provide and/or augment reliability for one-to-many
   reliable data transport using IP multicast.  One of the key
   properties of FEC codes in this context is the ability to use the
   same packets containing FEC data to simultaneously repair different
   packet loss patterns at multiple receivers.  Different classes of FEC
   codes and some of their basic properties are described and
   terminology relevant to implementing FEC in a reliable multicast
   protocol is introduced.  Examples are provided of possible abstract
   formats for packets carrying FEC.












Luby, et. al.                Informational


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