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Considering the necessity of reliability providing and lifetime prolonging in wireless sensor networks as Quality of Service requirements, it is necessary to present a new routing algorithm that can best provide these requirements in network layer. Multi-path is favorite alternative for sensor networks, as it provides an easy mechanism to distribute traffic and balance network's load, as well as considerate fault tolerance. For this purpose, a new clustering based multi path routing protocol namely RECM is proposed in this paper, which guarantees achieve to required QoS of wireless sensor networks. Proposed protocol has much better performance than the previous algorithms in terms of energy-efficiency, end-to-end delay and delivery ratio.