一种自适应权值最小负载的LVS集群负载均衡算法  

LVS Cluster Load Balancing Algorithm with Adaptive Weight Leastload

作　　者：杨婷[1] 万良[1,2] 马绍菊 马林进 YANG Ting WAN Liang MA Shao-ju MA Lin-jin(College of Computer Science and Technology, Guizhou University, Guiyang Guizhou 550025, China Institute of Computer Software and Theory, Guizhou University, Guiyang Guizhou 550025, China)

机构地区：[1]贵州大学计算机科学与技术学院,贵州贵阳550025 [2]贵州大学计算机软件与理论研究所,贵州贵阳550025

出　　处：《通信技术》2017年第4期741-745,共5页Communications Technology

基　　金：贵州省科学基金项目(黔科合LH字[2014]7634)~~

摘　　要：针对加权最小连接算法存在不能准确描述服务器节点的负载情况和处理能力问题,提出一种自适应权值最小负载的LVS集群负载均衡算法。该算法使用多种负载因素反映服务器节点的综合负载,根据负载情况对服务器节点的权值做出动态调整,并且引入服务器节点前一段时间的实际负载情况,更加准确地让集群中负载最小的服务器节点提供服务。采用WAS工具进行仿真对比,实验结果表明,所提算法能够更好地在LVS集群系统中实现负载均衡。Weighted least connection algorithm can not describe the server node load and the ability to deal accurately , and in view of this,a LVS cluster load balancing algorithm based on adaptive weight least load is proposed.This algorithm uses a variety of load factors to reflect the comprehensive load of server nodes, and according to the load, to make dynamic adjustment of the weights of server nodes.And by introducing the past-time load of the server node, and the least load server node is selected to provide service more accurately.Simulation with WAS tool indicates that the new algorithm can achieve a fairly good load balancing in LVS cluster system.

关 键 词：负载均衡算法 LVS 自适应权值 最小负载 

分 类 号：TP301[自动化与计算机技术—计算机系统结构]