A New Mechanism for Attacks in Mobile Ad Hoc Networks

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Provided by: International Journals of Advanced Information Science and Technology (IJAIST)
Topic: Security
Format: PDF
MANET is characterized by limited resources such as bandwidth, battery power, and storage space. The underlying assumption is that the intermediate nodes cooperate in forwarding packets. Due to lack of infrastructure, the network can be easily affected by several attacks. In MANETs, it is easy to launch wormhole, man-in-the-middle and Denial of Service (DoS) attacks, or to impersonate another node. Here, each node would evaluate its behavior, recommendation, Digital Signature and Route id. The proposed system is evaluated with discrete event simulator environment. Simulation results shows that the reputation based system detects and isolates the DoS attack and provides better misbehavior detection efficiency, packet delivery ratio, and reduced packet dropping ratio, routing overhead, latency.
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