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We present a new approach to secure routing in MANETs and argue that the same approach can lead to more reliable routing in the face of node and link failure. Prior solutions to security in networks is inapplicable to routing in MANETs because of node mobility and the relative scarcity of bandwidth. Furthermore, path discovery does not necessarily translate into data delivery. We argue that secure...
Providing secure routing in MANETs is far more difficult than in wired networks or static wireless networks. Node mobility and the relative scarcity of bandwidth render prior solutions ineffective. Solutions based on securing link or path information do not work well in MANETs because the dynamic nature of links requires extensive use of flooding. On the other hand, solutions based on hop-by-hop exchanges...
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