I-D ACTION:draft-ietf-manet-zone-zrp-01.txt

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

	Title		: The Zone Routing Protocol (ZRP) for Ad Hoc Networks
	Author(s)	: Z. Haas, M. Pearlman
	Filename	: draft-ietf-manet-zone-zrp-01.txt
	Pages		: 39
	Date		: 08-Sep-98
	
   This document describes the Zone Routing Protocol (ZRP), a hybrid
   routing protocol suitable for a wide variety of mobile ad-hoc
   networks, especially those with large network spans and diverse
   mobility patterns.  Each node proactively maintains routes within a
   local region (referred to as the routing zone).  Knowledge of the
   routing zone topology is leveraged by the ZRP to improve the
   efficiency of a reactive route query/reply mechanism.  The proactive
   maintenance of routing zones also helps improve the quality of
   discovered routes, by making them more robust to changes in network
   topology. The ZRP can be configured for a particular network by
   proper selection of a single parameter, the routing zone radius.
 
   This version of the ZRP internet draft describes a number of
   features which have been added to the protocol.  The distance-vector
   based IARP algorithm has been enchanced to prevent the 'counting
   to infinity problem'.  Route caching is now supported by the IERP
   route discovery process.  By allowing discovered route information
   to be distributed in caches, route accumulation in the IERP query/
   reply packets can be avoided, thereby reducing the amount of
   route discovery traffic, and improving the query response time.
   Two additional (optional) stages have also been added to the route
   discovery process, to support the acquisition and optimization of
   source routes.

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