关键词: peer-to-peer, 信任, 推荐, 信任模型

Abstract: With the development of peer-to-peer network ,how to build trust relationship between peers in peer-to-peer network has been an important problem in p2p technology. In this paper, it analyses some existing trust models and points out their problems, then presents a peer-to-peer recommendation trust model based on reputation, provides formulae for computing trust value, and designs a trust query protocol , lastly validates and analyses the feasibility and security of the model by experiments.

Key words: peer-to-peer, trust , recommendation , trust model