Research of Trust Model Based on Peer-to-Peer Network Security

P2P network is dynamic, self-organized, and anonymous and has some other features. P2P network cannot guarantee that all the peers can provide reliable resources and good service. Some Peers even have malicious behavior, such as Provision of false information, spread of illegal advertising, dissemination of Trojans and worms. In order to solve these Problems, the trust mechanism is introduced to P2P network and trust model is built to establish trust relationship between Peers. The popular research directions were introduced. The major sorts and key technologies were analyzed, and the algorithms in recent research were summarized. Based on the analysis of the capabilities of the trust model, its shortages were presented. Finally, some directions for future research were discussed.