P2P网络中Free-rider的平衡机制  

Balance Mechanism on Free-rider in P2P Network

作　　者：李玉玲[1] 刘玉华[1] 许凯华[2] 潘华强[1] 

机构地区：[1]华中师范大学计算机科学系,武汉430079 [2]华中师范大学物理科学与技术学院,武汉430079

出　　处：《计算机工程》2010年第22期111-112,115,共3页Computer Engineering

基　　金：国家自然科学基金资助项目"重叠网络中避免集散节点形成的拓扑控制机制研究"(60673163)

摘　　要：针对P2P网络中出现的free-rider现象,提出一种控制点位于服务提供节点上的平衡机制。该机制充分考虑P2P网络拓扑结构不一致的问题,并允许一定数量的free-rider节点存在。实验证明,该机制既能有效利用网络资源,提高交易的成功率,又能对严重的free-rider行为进行抑制。iming at ＂free-rider＂ phenomenon in P2P network, a new balance mechanism in which the control point is on the service providers nodes is proposed. This mechanism promises the existence of free-riders in certain degree and the inconsistency of topology is considered tully. Experimental results prove that this balance mechanism is able to use network resources effectively, and also can restraint the serious free-rider behavior.

关 键 词：P2P网络 搭便车 效用值 平衡机制 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]