Current trust administration models based on global reputation by using flooding method have high time complexity and excessive incurred packets,thus limit the scalability when applied to Peer to Peer(P2P) networks.With comprehensive consideration of nodes and behavioral diversity in the P2P network model allows the introduction of incentive P2P network model of credit management more network adaptability.This paper analyzes the resources discrimination trust administration models scheme DiffTrust,and proposes while its foundation the adaptat...