Developing and Managing Trust in Peer-to-Peer Systems

Peer to peer (P2P) systems are becoming more and more popular. With the popularity, there are many security concerns about P2P systems and the major solution is to build a trust system. While most, of the works are about how to build sound trust systems, there is relatively less work focusing on the trust management: how to store, access and update trust values. In this paper, we purpose a design of the trust model that not only presents a trust computation mechanism but also lays the emphasis on the trust management. The trust computation mechanism is completely distributed and sensitive to the deceptive peers. The trust management is also distributed and provides anonymity, reliability in the P2P systems