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Faculty of Science, University of Brunei Darussalam, Brunei Darussalam   
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IJIEE 2013 Vol.3(5): 481-486 ISSN: 2010-3719
DOI: 10.7763/IJIEE.2013.V3.362

A P2P Fuzzy Reputation System Based on Security Policies for Mobile Ad-Hoc Networks

Morteza Romoozi and Hamideh Babaei
Abstract— Security is one of the most challenging problems in Mobile ad-hoc networks and P2P networks. Many researches have tried to improve multi-hop networks security using different techniques. One of these methods is using reputation technique for system security. A reputation system detects malicious nodes and does not let them participate in routing and reject any request for network services. This paper enhances Gnutella content discovery protocol to a reputation system. Many reputation systems consider routing disordering as malicious behavior where this paper adds security policy violation as a new maliciously behavior. This paper present an adoptable and customizable reputation system to apply security rules on each group of the nodes. More accuracy and inability for assigning a strict level of rating to a node have been caused using a fuzzy method for rating of the nodes and determining the reputation level.

Index Terms— Reputation system, mobile ad-hoc networks. security policy, P2P networks trustness.

Morteza Romoozi is with Computer Eng Dept, Islamic Azad University, Kashan Branch, Kashan, Iran (e-mail: mromoozi@iaukashan.ac.ir).
Hamideh Babaei is with Computer Eng Dept, Islamic Azad University, Naragh Branch, Naragh, Iran (e-mail: hbabaei@iau-naragh.ac.ir).

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Cite: Morteza Romoozi and Hamideh Babaei, " A P2P Fuzzy Reputation System Based on Security Policies for Mobile Ad-Hoc Networks," International Journal of Information and Electronics Engineering vol. 3, no. 5, pp. 481-486, 2013.

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