A Retrospective Survey on Data Aggregation in Wireless Sensor Networks

Data aggregation is very essential relevance practices in wireless sensor network. On accordingly by the help of data aggregation we minimize the energy utilization by terminating the redundancy. When the wireless sensor network distributed systematically in remote areas or hostile environment and the wireless sensor network have most challenging task is a life time so with help of data aggregation we can enhance the lifetime of the network .In this paper we discuss the data aggregation approaches based on the routing protocols and the algorithm in wireless sensor network. We also discuss the merits and demerits or various performance measures of the data aggregation in the network.