I-D ACTION:draft-ietf-manet-zone-iarp-02.txt

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This draft is a work item of the Mobile Ad-hoc Networks Working Group of the IETF.

	Title		: The Intrazone Routing Protocol (IARP) for Ad Hoc 
                          Networks
	Author(s)	: Z. Haas, M. Pearlman, P. Samar
	Filename	: draft-ietf-manet-zone-iarp-02.txt
	Pages		: 11
	Date		: 05-Jul-02
	
This document describes the Intrazone Routing Protocol (IARP), a
limited scope proactive routing protocol used to improve the
performance of existing globally reactive routing protocols.  With
each node monitoring changes in its surrounding R-hop neighborhood
(routing zone), global route discoveries to local destinations can be
avoided.  When a global route search is needed, the IARP's routing
zones can be used to efficiently guide route queries outwards (via
bordercasting) rather than blindly relaying queries from neighbor
to neighbor.  The proactive maintenance of routing zones also helps
improve the quality of discovered routes, by making them more robust
to changes in network topology.  Once routes have been discovered,
IARP's routing zone offers enhanced, real-time, route maintenance.
Link failures can be bypassed by multiple hop paths within the
routing zone.  Similarly, suboptimal route segments can be identified
and traffic re-routed along shorter paths.

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