Cooperative Caching in Wireless Sensor Networks: A Survey

Wireless Sensor Network is application based network. Sensor is divided in different parts. Sink nodes sends query messages based upon temperature suppose. If temperature not arises then no reply is given by the nodes to the sink. But battery degrades due to processing. In cache cooperative networks is deployed in same manners as sensor networks. Nodes are selected on the basis of some assumptions. Sensor nodes are store data on cache. Sink nodes do not flood messages. It sends to message only to selected node of each part. Then these nodes give data called cooperative cache. To overcome problem of cooperative cache a new algorithm is proposed which gives better results than existing one. Keywords— WSN, Cooperative caching