In multi-hop wireless sensor networks (WSNs), Optimization and security are two different design issues with non-refill energy resources. In this paper, we first introduce secure and efficient Cost-Aware Secure Routing (CASER) protocol to point two different issues by two specifications: energy balance control and possibility based random walking. Then we find that the energy loss is randomly for the given network topology, which very much reduces the lifetime of the sensor networks. To overcome this problem, we introduce an efficient random energy deployment approach to increase the lifetime and message sending part in the similar energy source and security requirement. We also provide a computable security analysis on the proposed routing protocol. In this introduced CASER protocol which provides best deal between routing efficiency and energy balance, and significantly increases the lifetime of the sensor networks in all sides. For the random energy distribution, our analysis shows that we can increase the lifetime and the total number of messages that can be delivered by more than four times under the same assumption. In introduced CASER protocol, we show that it can produce a high message delivery ratio when secure routing from trace back attacks.

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Wsns Caser Routing Security Energy Efficiency.