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MULTICAST ROUTING IN WIRELESS MESH NETWOKS. Tree Based Multicasting. Mesh Based Multicasting. A source based multicasting protocol establishes and maintains one or many multicast routing trees to deliver data packets from sources to the multicast group.

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MULTICAST ROUTING IN WIRELESS MESH NETWOKS

Tree Based Multicasting

Mesh Based Multicasting

A source based multicasting protocol establishes and maintains one or many multicast routing trees to deliver data packets from sources to the multicast group.

It builds and maintains a multicast tree based on hard state i.e. the protocol has to keep track and react to any changes in the tree.

Protocol Simulated:

Adaptive Demand-Driven Multicast Routing Protocol (ADMR)

A mesh based multicasting protocol maintains a forwarding mesh for each multicast group. A member pair forwards multicast data on shortest path between them. This mesh is maintained on soft state i.e. When a node wishes to leave the group it simply stops sending packets, no explicit control message is required to leave.

Protocol Simulated:

On Demand Multicast Routing Protocol (ODMRP)

Wireless Mesh Network Architecture