The Trust Model based on Punish Mechanism in Peer-to-peer Network

摘要

Along with the rapid development of peer-to- peer network technology and the fast increasing number of persons,the problems of security in peer-to-peer network is becoming more and more.By researched the previous trust model of peer-to-peer nctwork,bringing forword a trust modcl(PTM) for peer-to-peer networks based on punish mechanism.Firstly,using the method of social grouping nodes in the calculation model of trust.Then bring in punish mechanism in trust model.This model stimulate nodes which provide sincere service.