I-D ACTION:draft-satish-l2-mobilereq-01.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.


	Title		: L2 considerations for optimized IP mobility
	Author(s)	: S. Jamadagni
	Filename	: draft-satish-l2-mobilereq-01.txt
	Pages		: 8
	Date		: 2003-7-24
	
IP mobility protocols have traditionally been designed to be
independent of any L2 considerations.  A critical factor in achieving
good performance for IP mobility protocols is its closeness to an L2
handover. Handover occurs when a Mobile Node moves from one radio
access Point to another. If the new radio access point is associated
with a new subnet, the routing reachability change will have to reflect
at the access routers. Better synchronization between L2 handover and
L3 handover are still more important when supporting fast handoff
between two wireless domains. This draft discusses the L2 handover
steps and the possible coupling of L2 and L3 layers to support optimize
layer 3 handover. This draft also explores the location information as
a possible L2 trigger to support optimized L3 handover. Also an L2
trigger message format is defined which can be handled at L3
independent of other protocol considerations.

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