Abstract
Traffic models are the heart of any performance evaluation of telecommunication networks. Understanding the nature of traffic in high speed, high bandwidth communication system is essential for effective operation and performance evaluation of the networks. Many routing protocols reported in the literature for Mobile ad hoc networks(MANETS) have been primarily designed and analyzed under the assumption of CBR traffic models, which is unable to capture the statistical characteristics of the actual traffic. It is necessary to evaluate the performance properties of MANETs in the context of more realistic traffic models. In an effort towards this end, this paper evaluates the performance of adhoc on demand multipath distance vector (AOMDV) routing protocol in the presence of poisson and bursty self similar traffic and compares them with that of CBR traffic. Different metrics are considered in analyzing the performance of routing protocol including packet delivery ratio, throughput and end to end delay. Our simulation results indicate that the packet delivery fraction and throughput in AOMDV is increased in the presence of self similar traffic compared to other traffic. Moreover, it is observed that the end to end delay in the presence of self similar traffic is lesser than that of CBR and higher than that of poisson traffic.
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