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A bridging-based solution for efficient multicast support in wireless mesh networks
Proceedings of: The 34th Annual IEEE Conference on Local Computer Networks (LCN 2009), October 20-23, 2009, Zurich, SwitzerlandWireless mesh networking is a promising, cost effective
and efficient technology for realizing backhaul networks
supporting high quality services. In such networks, multicast
data are transmitted blindly without any mechanism protecting
data from loss, ensuring data reception, and optimizing channel
allocation. The multicast services may undergo, then, very high
data loss ratio which is exacerbated with the number of hops. In
this paper, we propose a Reliable Multicast Distribution System
(RMDS) to optimize multicast packets transmission in bridged
networks. Relying on a modification of the IGMP snooping
protocol, RMDS enables reliable services provisioning support
in common wireless mesh networks. In particular, RMDS only
exploits the local knowledge of a particular node to compute
the multicast tree, which significantly reduces the signalling
overhead in comparison with network layer and overlay solutions.
Simulation results elucidate that RMDS optimizes resources’
allocation by reducing significantly the network load, the media
access delay and the data drop rate compared to the classical
approach, which is based on the combination of spanning tree
algorithm and IGMP snooping protocol.European Community's Seventh Framework ProgramPublicad