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  c Copyright by Cigdem Sengul, 2003 LOCAL ROUTE RECOVERY IN MOBILE AD HOC NETWORKS BY

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by Cigdem Sengul
http://mobius.cs.uiuc.edu/Thesis/sengul-thesis.ps
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Abstract:

On-demand routing protocols for ad hoc networks reduce the cost of routing in high mobility environments. However, route discovery in on-demand routing is typically performed via network-wide ooding, which consumes a substantial amount of bandwidth. Therefore, it is essential to reduce the frequency of route discoveries to achieve ecient communication. In this thesis, we present a technique called by-pass recovery that aims to reduce the frequency of route request oods due to topological changes. Specically, when a broken link is detected, a node patches the eected route using neighborhood information and thereby by-passes the broken link. We implemented a prototype of our approach based on source routing. Simulation studies show that SLR (Source Routing with Local Recovery) achieves ecient and eective local recovery while maintaining acceptable overhead. iii Dedicated to my parents, Sait and Nural Sengul iv

Citations

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