Trust management is one of the drawbacks in Peer-to-Peer (P2P) system. Lack of
centralized control makes it difficult to control the behavior of the peers. Reputation system is
one approach to provide trust assessment in P2P system. In this paper, we use fuzzy logic to
model trust in a P2P environment. Our trust model combines first-hand (direct experience)
and second-hand (reputation) information to allow peers to represent and reason with
uncertainty regarding other peers' trustworthiness. Fuzzy logic can help in handling the …