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Analysis of AODV and DSR in Presence of Wormhole Attack in Mobile Ad-hoc Network

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Author(s): VIVEK SHARMA, | AMIT BAGHEL

Journal: International Journal of Engineering Science and Technology
ISSN 0975-5462

Volume: 2;
Issue: 11;
Start page: 6657;
Date: 2010;
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Keywords: Ad hoc networks | AODV | DSR | security | Wormhole attack

ABSTRACT
An ad hoc network is a collection of mobile nodes that dynamically form a temporary network. It operates without the use of existing infrastructure. As mobile ad hoc network applications are deployed, security emerges as a central requirement. In this paper, we introduce the wormhole attack, a severe security attack in ad hocnetworks that is particularly challenging to defend against. The wormhole attack is possible even if the attacker has not compromised any hosts and even if all communication provides authenticity and confidentiality. In the wormhole attack, an attacker records packets (or bits) at one location in the network, tunnels them (possiblyselectively) to another location, and retransmits them there into the network. The wormhole attack can form a serious threat in wireless networks, especially against many ad hoc network routing protocols and locationbased wireless security systems. This paper analyses the performance of AODV and DSR routing protocols with and without wormhole attack. This would be a great help for the people conducting research on real world problems in MANET security.

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Tangokurs Rapperswil-Jona

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