Mobility

Defense Strategy Using Trust Based Model to Mitigate Active Attacks in DSR Based MANET

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Executive Summary

An ad hoc network is a collection of wireless mobile nodes that forms a temporary network without any centralized administration. While early research effort assumed a friendly and cooperative environment and focused on problems such as wireless channel access and multihop routing, security has become a primary concern in order to provide protected communication between nodes in a potentially hostile environment. Research in wireless indicates that the wireless MANET presents a larger security problem than conventional wired and wireless networks. This paper analyses the black hole and cooperative black hole attack which is one of the new and possible attacks in ad hoc networks. A black hole is a type of attack that can be easily employed against routing in mobile ad hoc networks.

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