Important Characteristic of Differences between DSR and AODV Routing Protocol

In Mobile Ad hoc Networks (MANETs) all nodes are mobile and can be connected dynamically in an arbitrary manner. All nodes of these networks behave as routers and take part in discovery and maintenance of routes to other nodes in the network. Instead, communications between nodes that are far apart is effected by intermediate nodes acting as routers. The purpose of the MANET routing protocol is to maintain the virtual backbone created by these routers, in spite of the nets dynamic topology.A detailed simulation model with MAC and physical layer models is used to study the interlayer interactions and their performance implications. We demonstrate that even though DSR and AODV share similar on-demand behavior, the differences in the protocol mechanisms can lead to significant performance differentials.In this paper we compare the performance evaluation of Dynamic Source Routing (DSR) and Ad Hoc On-demand distance Vector Routing (AODV) on the bases of packet delivery ratio, normalized routing load, normalized MAC load, and average end to end delay by varying the number of sources, speed and pause time.

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