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Global cooperative caching for Wireless Sensor Networks

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3 Author(s)
Chauhan, N. ; Dept. of Comput. Sci. & Eng., Nat. Inst. of Technol. Hamirpur, Hamirpur, India ; Awasthi, L.K. ; Chand, N.

Wireless Sensor Networks (WSNs) have many distinct characteristics which distinguish them from other wireless networks. WSNs are highly distributed networks, where cooperative caching can play a major role in handling the request effectively. This helps WSNs in alleviating the situations of non availability of data, and reduces the requirement of wireless bandwidth, storage and energy. In this paper, we present a scheme called global cluster cooperation for wireless sensor networks (GCCS) for caching in wireless sensor networks. GCCS scheme uses a cache discovery algorithm to find the node who has cached the queried data item. GCCS also employs cache admission control, cache consistency, cache replacement mechanism to improve the overall performance of the scheme. Simulation experiments show that GCCS mechanism achieves significant improvements in byte hit ratio and average query latency in comparison with other caching strategies.

Published in:

Information and Communication Technologies (WICT), 2011 World Congress on

Date of Conference:

11-14 Dec. 2011

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