CLUSTERING AND RECOVERY MECHANISM USING CHECK POINTING AND HIERARCHICAL APPROACH FOR MOBILE AD-HOC NETWORKS

Computer Science

In ad hoc network we used the clustering technique for check pointing and recovery mechanism for fault tolerance which is helpful in increasing the lifetime and consistency of the network. In network we place checkpoints to keep network free from failures time to time. If the failure occur the rollback mechanism from checkpoints will occur which preserve the global consistency. In this paper we focus on the selection of cluster head which is used in the check pointing and recovery mechanism to remove faults and start work again quickly. The study and work on algorithms for check pointing for ad hoc network are going on from years. In this paper, the work is shown on clustering, recovery algorithm and security for the ad hoc networks. In this for cluster head selection we used the genetic algorithm so that we get optimized cluster head. Security issue is also very important. In this paper we also focus on the performance and security of the network by using cluster trust table for finding malicious node in the network. The simulation analysis shows that proposed algorithm increases the lifetime with better system performance by using checkpoints and clustering technique.

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