The emerging trend of wireless sensor networks provides the need for small and low-cost sensor nodes in a wide range of applications. Communication in WSN, are limited within the transmission range, storage and processing capabilities. Data are transmitted with specified delay and energy resources to the sink. Routing protocols are used for maintaining the routes in the network and also ensures the hop communication. The current routing protocols in WSN increase the delay and reduce the energy. In this paper, different routing algorithms are discussed and the performances are measured with node energy and average delay. Experimental results are obtained from NS-2 simulator. Analyses with performance metrics are discussed.
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