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In this paper, we present a very simple and efficient end-to-end algorithm to handle wormhole attacks on ad hoc networks with variable ranges of communication. Most of the existing approaches focus on the prevention of wormholes between neighbors that trust each other. The known end-to-end mechanisms assume that all the nodes of the network have same communication range. To the best of our knowledge...
In this paper, we present a very simple and efficient end to-end algorithm to handle wormhole attacks on ad hoc networks. We provide a lower bound on the minimum number of hops on a good route. Any path showing lesser hop counts is shown to be under attack. Our algorithm requires every node to know its location. With very accurate GPS available, this assumption is not unreasonable. Since our protocol...
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