Performance of Route Caching Strategies in Dynamic Source Routing
ICDCSW '01 Proceedings of the 21st International Conference on Distributed Computing Systems
On the improving strategies upon the route cache of DSR in MANETs
UIC'10 Proceedings of the 7th international conference on Ubiquitous intelligence and computing
ICDCIT'05 Proceedings of the Second international conference on Distributed Computing and Internet Technology
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Route caching strategy is an important on-demand routing protocol for mobile ad hoc networks. On-demand routing protocol for mobile ad hoc networks utilizes route caching in different forms to reduce overheads, peer-to-peer delay. This paper presents a variation in view compared to DSR and HER, to minimize cache staleness, partitions and enhance reliability of service. The variation is with respect to identification of route and cache validation of errors using different techniques namely Update Route Caching (URC), Temporal Cache Validation (TCV), Negative Cache Validation (NCV) and Combined Cache Validation (CCV). The proposed method refreshes cache more often than the DSR and HER thereby initiating route requests earlier, when a route still being used is broken, thus reducing peer to peer delay to transmit packets. The results of GloMoSim simulator validates higher cache hit percentage and reliable delivery of packets in the technique Combined Cache Validation (CCV) when in comparison to DSR and HER