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Performance Evaluation and Optimization of ODMRP Routing Protocols over 802 . 11 Based Wireless Mobile Ad-Hoc Network

ODMRP protocol offers a very effective routing mechanism in wireless mobile Ad-hoc networks. But the performance deteriorates when the network is subjected to large amount of traffic. We have proposed a modification in the ODMRP protocol. The congestion in the network is controlled by reducing the RREQ packet retransmission by the source node, managing buffer space. The simulation has been done on the Qualnet 5.0 Simulator. The result shows the significant improvement in the throughout as well as reduction in number of packets dropped and jitter.