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基于软件抗衰的分布式负载均衡策略
引用本文:高炜,杨群,许满武.基于软件抗衰的分布式负载均衡策略[J].计算机科学,2006,33(6):255-259.
作者姓名:高炜  杨群  许满武
作者单位:软件新技术国家重点实验室,南京大学计算机科学与技术系,南京210093
基金项目:国家自然科学基金;江苏省自然科学基金;江苏省科技攻关计划
摘    要:随着网络的迅速发展,服务器集群技术得到了广泛的应用,对负载均衡策略的研究也变得越来越必要,但当前的分布式负栽均衡策略始终存在性能和开销不能兼顾的问题。本文将软件抗衰思想引入负载均衡策略设计,根据系统内的均衡程度来确定均衡过程的起止时机,在一定程度上解决了这一矛盾。文内给出了相应的实现算法。

关 键 词:软件抗衰  分布式  负载均衡  平均负载率  任务迁移

Distributed Load Balancing Strategy Based on Software Rejuvenation
GAO Wei,YANG Qun,XU Man-Wu.Distributed Load Balancing Strategy Based on Software Rejuvenation[J].Computer Science,2006,33(6):255-259.
Authors:GAO Wei  YANG Qun  XU Man-Wu
Affiliation:State Key Lab for Novel Software Technology, Department of Computer Sdenee and Technology, Nanjing University, Nanjing 210093
Abstract:With the rapid development of network, the technique of server clusters is widely used. Accordingly the research on load balancing techniques becomes more and more important and necessary. But at present there always exists the conflict between cost and performance in distributed load balancing strategies. This paper introduces the idea of software rejuvenation in the design of load balancing strategy. According to the degree of balancing in the whole system, the new strategy decides when and which machine in the cluster runs the balancing process. It partly resolves the conflict , there after, the relevant algorithm has been shown.
Keywords:Software rejuvenation  Distributed  Load balancing  Rate of average load  Job migrating
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