Optimal Flooding Protocol for Routing in Adhoc Networks

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Executive Summary

Location discovery is a fundamental problem in wireless ad hoc networks. Most of the ad hoc routing protocols use some form of flooding to discover the location and route of a mobile node. Despite various optimizations, many messages are propagated unnecessarily. The authors propose the Optimal Flooding Protocol (OFP), based on a variation of The Covering Problem that is encountered in geometry, to minimize the unnecessary transmissions drastically and still be able to cover the whole region. OFP out-performs other existing variations of flooding. This simple protocol uses up to 65% to 80% fewer messages than flooding and 50% fewer messages than gossip-based flooding, which has been proposed as one of the best optimized variation of flooding.

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