Ad Hoc network has been widely used in military communications, simultaneous conversation, and disaster reconstruction etc. The technical features of non-central, self-organizing and mobile nodes make it have absolute advantages of quickly building up a temporary custom made prom dresses network, high survivability system, unnecessary Lacoste Polo network infrastructure and high efficient transmission. In recent years,the development of multicast technology has overcome the defects of small network bandwidth, limited host resource and low network utilization, it plays a key role in Ad Hoc network applications such as real-time messaging, video discount wedding dresses conference and remote interaction.At present, multicast routing protocol of Ad Hoc network can be divided into three categories, based on the tree, based on the net and hybrid type of multicast routing new shoes 2010 protocol. The paper studies several typical multicast routing protocols, analyzes the MAODV(Multicast Ad Hoc On-Demand Distance Vector) and ODMRP(On-Demand Multicast Routing Protocol)polo shirts shop protocols, then it simulates by using QualNet network simulation software, analyzes their performance when the number of multicast data receiving nodes, the speed of nodes and the number of multicast data sending nodes are changed. The result shows that the overall performance of ODMRP protocol is superior to MAODV protocol and more suitable for Ad Hoc network features of multi-hops and topology changing frequently.
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