A Fuzzy Reputation System Based on Security Policies for Ad-hoc Networks

摘要

Security is one of the most challenging problems in ad-hoc networks. Many researches have tried to improve ad-hoc 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. Many reputation systems consider routing disordering as malicious behavior where this paper adds security policy violation as a new parameter. This paper present an adoptable and customizable system to apply security rules on each group of the nodes. For more accuracy, a fuzzy method is used for rating of the nodes and determining the reputation leveL