一种用于P2P文件共享网络的匿名通信方案
首发时间:2015-12-21
摘要:匿名通信主要解决的问题是隐藏通信双方的通信关系,使窃听者无法判断通信双方的身份和通信关系,从而提供人们隐私保护。P2P文件共享网络大多不提供匿名服务,本文提出一种匿名通信方案,用于P2P文件共享网络。本方案采用类概率转发的方式,来决定请求的去向。请求有可能被直接发送给对等节点,以获取文件块下载,也可能被发送给"冗余节点",再通过"冗余节点"转发请求。接收到请求的"冗余节点",也同样按照概率转发的方式处理请求。除此以外,本方案还提供可调节的匿名度,因为匿名性的获取往往是以性能的牺牲为前提而实现的,可调节的匿名度可以保证不同用户对匿名度和性能的不同需求。
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An Anonymity Communication Scheme for P2P File Sharing Networks
Abstract:Anonymity communication can hidden the communication relationship between the parties, so that an eavesdropper can not determine the identities of the parties of the communication. Most P2P file-sharing networks do not provide anonymity service, and this paper presents an anonymity communication scheme for P2P file-sharing networks. The study uses the way of probability forwarding to decide the fate of the request. The request is may be sent directly to a peer node to obtain the file blocks or may be sent to the "redundant node". If the "redundant node' receives the request, it will process the request by the way of probability farwarding too.. In addition, the study also offers an adjustable degree of anonymity, because anonymity is often achieved at the expense of the efficiency. Therefore, the trade-off between anonymity and efficiency is important. An adjustable degree of anonymity can ensure that the diverse needs of different users for anonymity and performance can be satisfied.
Keywords: Anonymity communication P2P networks Crowds File-sharing
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