A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Lightweight Mobility Detection and Response
(LMDR) Algorithm for TCP
Author(s) : Y. Swami, K. Le
Filename : draft-swami-tcp-lmdr-03.txt
Pages : 12
Date : 2004-7-15
TCP congestion control is based on the assumption that the end-to-
end path of a connection changes very infrequently (most likely due
to router failure) after connection establishment. This assumption
allows a TCP sender to compute (predict) a new congestion window
(cwnd) based on the ACKs from previous cwnd. With host mobility,
however, the assumption of 'constant path' does not hold, and the
present congestion control and avoidance mechanisms can lead to
suboptimal system performance. In this document we describes a TCP
option that allows a receiver to inform the sender about subnet
change; based on which, the sender can react to optimize
performance.
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