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Highly-resilient, Energy-efficient Multipath Routing In Wireless Sensor Networks

Deepak Ganesan, Ramesh Govindan, Scott Shenker, Deborah Estrin

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Previously proposed sensor network data dissemination schemes require periodic low-rate flooding of data in order to allow recovery from failure. We consider constructing two kinds of multipaths to enable energy efficient recovery from failure of the shortest path between source and sink. Disjoint multipath has been studied in the literature. We propose a novel braided multipath scheme, which results in several partially disjoint multipath schemes. We find that braided multipaths are a viable alternative for energy-efficient recovery from isolated and patterned failures.