VLM/sup 2/: a very lightweight mobile multicast system for wireless sensor networks

Wireless sensor networks require lightweight routing tailored for sensor devices with severe memory, power, and cost constraints. Such lightweight protocols must also support mobility and fault tolerance. The very Lightweight Mobile Multicast (VLM/sup 2/) system addresses these concerns, introducing multicast support into wireless sensor networks. In simulation and in a true implementation on hardware Motes, VLM/sup 2/ achieves multicast with a lightweight footprint of no more than 17 kb per node and also responds with agility to a wide range of mobility.

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