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Title |
A light Weight Non-Cryptographic Solution for Defending Black Hole Attacks in Mobile Ad Hoc Networks |
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Author |
Dr.M.Mohanapriya and Dr.M.Mohanapriya |
| Citation |
Vol. 24 No. 10 pp. 125-134 |
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Abstract |
Mobile Ad hoc Network (MANET) is a self organizing network in which a group of wireless nodes communicate among themselves without requiring any centralized infrastructure. This important characteristic of mobile ad hoc networks allows the hassle free set up of the network for communications in different emergency situations such as battlefield and natural disaster zones. Multi hop communication in MANET is achieved only by the cooperation of nodes in forwarding data packets. This feature of MANET is largely exploited to launch a security attack called black hole attack. In this paper we propose a light weight non cryptographic solution to defend the network from black hole attack and enables communication even in the presence of the attack. In this scheme, by analyzing only the control packets used for routing in the network, the nodes identify the presence of black hole attack. Based on the collective judgment by the participating nodes in the routing path, a secure route free of black hole nodes is selected for communication by the host. Simulation results validate and ensure the effectiveness of the proposed solution in the presence of attack. |
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Keywords |
Ad hoc Networks, MANET, DSR, Routing Protocols, Security Attacks, Black Hole Attack |
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