Abstract
An ad hoc network is a collection of wireless mobile nodes dynamically forming a tempory network with out the presence of a wired support infrastructure. In this environment, routing/multicasting protocols are faced with the challenge of producing multi-hop routes under host mobility and bandwidth constraints. In recent years, a number of new multicast protocols of different styles have been proposed for ad hoc networks. ODMRP (On Demand multicast routing protocol) is a mesh based, rather than a conventional tree based , multicast scheme it well suited for adhoc wireless networks. ODMRP has been simulated on PARSEC and its performance evaluated wehave implemented ODMRPon ns-2 and have done a simulation based performance analysis. Based onour experience during implementation, we have also suggested some enhancements to the protocol which we believe improve its performance.
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