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中文摘要：
P2P系统具有开放性和匿名性,这就使得恶意节点能够轻易地在网络中传播虚假的甚至有害的文件,从而损害了整个P2P系统的鲁棒性.针对该问题,文中提出了一种基于信任传递关系建立可信对等网络的算法,能够动态调整信任路径,隔离恶意节点和恶意节点集.实验表明即使在大量恶意节点相互合作的情况下,算法仍能有效地降低网络中虚假文件的下载数量.
英文摘要：
The anonymous and open nature of the P2P file sharing system enable nodes spread inauthentic even harmful files in the network easily which harms the robustness of the P2P system.In order to resolve this question,an algorithm is presented which build a trust evident transferring network based on the relation of trust transferring.The method can dynamically adjust trust road and isolate the malicious nodes or malicious nodes collective.The simulation shows that the algorithm can effectively and significantly decreases the number of inauthentic files even under the condition where many malicious peers cooperate.
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