Resilient multicasting in wireless mesh networks

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Abstract
To support reliable multicast routing in wireless mesh networks, it is important to protect multicast sessions against link or node failures. In this paper, we propose a resilient forwarding mesh approach for protecting a multicast session. Utilizing the wireless broadcast advantage, a resilient forwarding mesh effectively establishes two node disjoint paths for each source-destination pair. This allows a multicast session to be immune from any single link or intermediate node failure. An integer linear programming (ILP) formulation is presented to find the optimal resilient forwarding mesh (ORFM) that minimizes the number of broadcast transmissions. In comparison with the existing optimal path-pair (OPP) approach proposed in [1] for wired mesh networks, our experimental results demonstrate that ORFM outperforms OPP in wireless scenarios.
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Author(s)
Zhao, Xin
Guo, Jun
Chou, Chun
Jha, Sanjay
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Publication Year
2006
Resource Type
Conference Paper
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UNSW Faculty
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download GUOResiliant_multicasting.pdf 160.7 KB Adobe Portable Document Format
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