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Mobile Ad-hoc networks are self-organized wireless mobile networks that do not rely on any fixed network infrastructure. Due to limited capability including battery, local memory, CPU cycle, any design of protocols in these networks has to consider these limitations. Trust always exists in protocols, which their running are based on cooperation, especially in routing operations between the nodes in these networks. Indeed, these networks can operate properly only when nodes cooperate with each other truly and in a routing operation, which is defined by a standard. In this paper, we propose a method to verify the trust of nodes by their neighbors, while its amount influences the decision about choosing the MPR nodes and causes an improvement in OLSR’s routing protocol security. The proposed method brings few modifications and is still compatible with the bare OLSR. We perform an overall evaluation of our proposed method through simulations. Simulation’s results indicate performance of our approach while providing effective security.
Amin Nurian Dehkordi & Fazlollah Adibnia
Cert (APA) Center
Yazd University
Yazd, Iran
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