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REPUTATION SYSTEM IN PEER-TO-PEER NETWORK: DESIGN AND CLASSIFICATION

Sandeep Kumar, Chander Diwaker, Amit Chaudhary

Peer-to-Peer (P2P) applications have recently seen an enormous success and have reached millions of users. The main reason of this success is the anonymity the users enjoy. However, as recent experiences with P2P networks show, this anonymity offers an opportunity to exploit the network like free-rider, virus spread, malicious file spread etc. The problem of securing hosts on P2P network while keeping the openness of the system has been studied extensively over last couple of years but still there are various issues on it. Reputation and incentive are two traditional systems to deal various problems in the Peer-to-Peer network. In this paper we define reputation system and give reputation system’s design consideration and classification used to create an efficient reputation system that can handle various P2P security issues like free-rider problem, DDoS attack.