I-D ACTION:draft-ietf-avt-crtp-enhance-07.txt

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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Audio/Video Transport Working Group of the IETF.

	Title		: Enhanced Compressed RTP (CRTP) for links with high 
                          delay,packet loss and reordering
	Author(s)	: T. Koren, S. Casner et al.
	Filename	: draft-ietf-avt-crtp-enhance-07.txt
	Pages		: 0
	Date		: 2003-3-3
	
This document describes a header compression scheme for point to 
point links with packet loss and long delays. It is based on 
Compressed Real-time Transport Protocol (CRTP), the IP/UDP/RTP 
header compression described in RFC 2508. CRTP does not perform well 
on such links: packet loss results in context corruption and due to 
the long delay, many more packets are discarded before the context 
is repaired. To correct the behavior of CRTP over such links, a few 
extensions to the protocol are specified here. The extensions aim to 
reduce context corruption by changing the way the compressor updates 
the context at the decompressor: updates are repeated and include 
updates to full and differential context parameters. With these 
extensions, CRTP performs well over links with packet loss, packet 
reordering and long delays.

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