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Title : Source FEC Payload Mapping Information for Sequence Flow
Author(s) : B. Chen, Z. Zou
Filename : draft-zixuan-fecframe-source-mi-01.txt
Pages : 14
Date : 2009-10-26
Per FEC Framework, FEC source packet carries source FEC payload ID for
FEC protection of arbitrary packet flow. Source FEC payload ID will
contain information identifying the source block and the position within
the source block. However, in order to maintain backwards compatibility,
this document enables the receiver to get this information without
appending source FEC payload ID. This information is obtained using the
combination of information provided in the FEC payload header and source
FEC payload mapping information unit (MIU). Therefore, both non-FEC-
capable and FEC-capable receivers can work together in a multicast
session. Two ways to signal the source block structure are defined, one
for general procedure and anther for systematic procedure that the order
of the packets in the source block is deterministic.
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