Performance Evaluation of On-demand Multicasting Routing Protocols in Mobile Adhoc Networks

Mobile adhoc network (MANET) is a collection of wireless nodes that dynamically create a wireless network among them without using any infrastructure. Nodes are free to move, independent of each other which makes routing much difficult. The routing protocols in MANET should be more dynamic so that they quickly respond to topological changes. On-Demand Multicast Routing Protocol is a protocol for routing multicast and unicast traffic throughout adhoc wireless mesh networks. ODMRP creates routes on demand so they suffer from a route acquisition delay, although it helps reduce network traffic in general. In this paper simulation based experiments are performed to analyze the performance of On Demand Multicast Routing Protocol by evaluating Packet Delivery Ratio, End to End delay and average throughput. These results are compared with AODV and FSR routing protocols by varying number of nodes and mobility. The comparison shows that ODMRP for adhoc networks performs better as compared to AODV and FSR.