Minimizing the Routing Delay in Ad Hoc Networks through Route-Cache TTL Optimization

Authors:
Ben Liang;Zygmunt J. Haas
Affiliations:
-;-
Venue:
NETWORKING '02 Proceedings of the Second International IFIP-TC6 Networking Conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; and Mobile and Wireless Communications
Year:
2002

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Abstract

This paper addresses the issue of minimizing the routing delay in ad hoc on-demand routing protocols through optimizing the Time-to-Live (TTL) interval for route caching. An analytical framework is introduced to compute the expected routing delay when the source node has a cached route with a given TTL value. Furthermore, a numerical method is proposed to determine the optimal TTL of a newly discovered route cached by the source node. We present simulation results that support the validity of our analysis.