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Title : Statistical Inter-flow Field Behaviour for Context Replication in ROHC-TCP
Author(s) : C. Cho
Filename : draft-cho-rohc-tcp-interflow-behaviour-00.txt
Pages : 27
Date : 2004-2-12
Context replication increases header compression gains by reducing
the redundancy between flows via efficient replicate (IR-CR) packets.
The optimum design of IR-CR packet formats requires elaborate
understanding of the inter-flow redundancy. As context replication is
most well-suited for TCP, this document presents a statistical
analysis of TCP/IP inter-flow field behaviour. Based on the analysis,
recommendations on ROHC-TCP packet format specifications for context
replication are made. It is also shown that inter-flow field
behaviour is inherently and significantly asymmetrical, and various
ways of handling it are considered. Finally, based on the inter-flow
behaviour of TCP Window field, it is noted that current encoding
methods do not compress it efficiently.
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