I-D ACTION:draft-ietf-manet-zone-ierp-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 Interzone Routing Protocol (IERP) for Ad Hoc 
                          Networks
	Author(s)	: Z. Haas, M. Pearlman, P. Samar
	Filename	: draft-ietf-manet-zone-ierp-02.txt
	Pages		: 14
	Date		: 05-Jul-02
	
This document describes the Interzone Routing Protocol (IERP), the
reactive routing component of the Zone Routing Protocol (ZRP).  
IERP adapts existing reactive routing protocol implementations to
take advantage of the known topology of each node's surrounding 
R-hop neighborhood (routing zone), provided by the Intrazone 
Routing Protocol (IARP).  The availability of routing zone routes 
allows IERP to suppress route queries for local destinations.  
When a global route discovery is required, the routing zone based 
bordercast service can be used to efficiently guide route queries 
outward, rather than blindly relaying queries from neighbor to
neighbor.   Once a route has been discovered, IERP can use routing
zones to automatically redirect data around failed links.  
Similarly, suboptimal route segments can be identified and traffic
re-routed along shorter paths.

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