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Overview:
This paper presents the experiences in implementing and validating the On-Demand Multicast Routing Protocol (ODMRP) in a real wireless ad hoc network testbed. ODMRP maintains a mesh for each multicast group to provide multiple alternate paths. Redundancy created by the mesh helps overcome frequent topology changes resulting from node mobility, channel fading, and interferences. The protocol does not maintain permanent route tables with full topological views. Instead, multicast senders reactively and dynamically discover routes and obtain multicast group information on demand. The paper describes the key design and implementation features of the protocol and reports preliminary testbed experiment results of ODMRP and DVMRP (Distance Vector Multicast Routing Protocol), a traditional tree based scheme.
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| Format: | Size: | 111 KB | |
| Pages: | 5 |
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