LVS cluster can be adapted for growing demand of network access, multiple computers together, to provide a unified response to outside, and achieve high reliability, scalability, availability of the cluster system. In this paper, LVS architecture, comparative analysis of three different LVS load balancing mode, and performance test are studied. The experiments show that the VS/DR mode has optimal system performance.%LVS集群可适应不断增长的网络访问需求，其原理是将多台计算机集合在一起，统一对外提供响应，实现集群系统的高可靠性、扩展性、可用性等。通过研究LVS体系结构，比较分析三种不同的LVS负载均衡模式，并就其系统性能进行测试。实验结果表明：VS／DR模式的系统性能最优。
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