基于Gnutella协议的分布式Peer-to-Peer网络连接管理策略及改进研究  

Study on Connection Management Policies and Improvement of Dis tributed Peer-to-Peer Networks Based on Gnutella Protocol

作　　者：乐光学[1] 

机构地区：[1]怀化学院计算机系

出　　处：《计算机工程与应用》2004年第29期109-112,共4页Computer Engineering and Applications

摘　　要：在分析Gnutella网络协议、消息传播和连接管理机制的基础上,提出了基于F-Measure算法的网络连接管理策略,在算法中引入了一个重要的指标F-Measure参数f:丢弃连接后消息的到达率,当网络过载时,选f值最大的连接断开;通过对Gnutella网络中的消息分类和设定优先级,建立缓冲时间机制保存丢弃连接上的重要信息,以最小的代价维护网络的鲁棒性;在应用层上采用Zig-Zag算法进行数据流控制,辅助F-Measure算法进行连接管理,有效地控制了Gnutella网络产生的请求Flood,使网络的连接管理具体数据化。最后,对F-Measure算法进行了性能分析和模拟。By analyzing Gnutella network protocol,information spreading and connection management ,this paper puts forward networks connection management policies based on F -Measure algorithm.An important index F -Measure parameter f is introduced into the algorithm.When the network is overloaded,break the connection with the maximum f.Then classify the message of Gnutella network and set priority,build a buffer time mechanism to preserve the important message of the throw away connection,and to maintain the network's roubst with minimum cost.Adopt Zig-Zag algorithm to control data flow on application,and make connection management with auxiliary F-Measure algorithm,so as to effectively control the request Flood produced by Gnutella network,and ultimately achieve a concrete data of Gnutella network's connection management.At the end,this paper carries out a performance analysis and simulation of F-Measure algorithm.

关 键 词：对等网络 连接管理 消息 F-Measure算法 请求洪 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]