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In wireless sensor network reliability and traffic overhead is an important issue. To improve the reliability the authors must, transmit the data in multiple paths from source node to sink node. Source node is a node which collects data through its sensing devices, finds neighbor nodes and sends message to them; all intermediate nodes, which relay the data through multi-hop communication, have the same configuration as the source nodes. Sink node is a special, single node serving as the target, the message receiver. If they transmit the same data in different path then the network become over loaded. So it is necessary to use data splitting technique in multipath routing protocol.
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