基于超级点划分区域的对等网络模型  

A PEER-TO-PEER MODEL BASED ON SUPERPEERS DIVIDING AREAS

作　　者：庄雷[1] 陈鸿昶[1] 黄建华[1] 李祖鹏[1] 黄道颖[1] 

机构地区：[1]国家数字交换系统工程技术研究中心

出　　处：《计算机应用与软件》2005年第9期10-11,47,共3页Computer Applications and Software

基　　金：国家863高科技发展计划资助项目(编号:2001AA111141)

摘　　要：在现有对等网络结构中,所有的主机只负责自己的数据和索引存储,并且对待网络流量的行为是一致的。查询到达与流量受到网络中所有主机的最低的发送和接受能力的限制。以超级结点划分区域的网络中,超级节点是与其它节点联系多、发送和接受能力强、存储容量大、处理速度快的主机,叶子节点则是与其它主机联系较少,网络带宽较小的主机。超级节点的性能决定了整个网络的性能,该模型能够极大地改善查询性能。In traditional peer-to-peer networks architectures all hosts only memory their own data and index themselves, their behaving are consistent when they tread networks traffic. The search query reach and traffic are limited by the lowest abilities of all hosts＇ sending and receiving. Superpeers are host,which have more connections with other hosts, more powerful ability of sending and receiving messages,larger memory and higher speed CPU. Oppositely,leafpeers have fewer connections with other peers and their bandwidth is small. The networks performance is determined by superpeers＇ performance. The approaches can greatly improve searching performance in the distributed networks.

关 键 词：超级节点 叶子节点 查询优化 网络模型 分区域 超级 对等 查询性能 网络流量 接受能力 

分 类 号：TP18[自动化与计算机技术—控制理论与控制工程] TP273.4[自动化与计算机技术—控制科学与工程]