A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the FEC Framework Working Group of the IETF.
Title : DVB-IPTV Application-Layer Hybrid FEC Protection
Author(s) : A. Begen, T. Stockhammer
Filename : draft-ietf-fecframe-dvb-al-fec-03.txt
Pages : 11
Date : 2009-09-16
The Annex E of the DVB-IPTV technical specification defines an
optional Application-layer Forward Error Correction (AL-FEC) protocol
to protect the streaming media carried over RTP transport. The DVB-
IPTV AL-FEC protocol uses two layers for FEC protection. The first
(base) layer is based on the 1-D interleaved parity code. The second
(enhancement) layer is based on the Raptor code. By offering a
layered approach, the DVB-IPTV AL-FEC protocol offers a good
protection against both bursty and random packet losses at a cost of
decent complexity. This document describes how one can implement the
DVB-IPTV AL-FEC protocol by using the 1-D interleaved parity code and
Raptor code that have already been specified in separate documents.
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