多入口单IP集群接口方案及其实验分析  

Test and Analysis of Extensible Cluster Gateway with Multi-Entry and Single IP

作　　者：侯宗浩[1] 郑守淇[1] 董小社[1] 乔楠[1] 刘爱华[1] 

机构地区：[1]西安交通大学计算机系新型机所

出　　处：《小型微型计算机系统》2004年第6期961-964,共4页Journal of Chinese Computer Systems

基　　金：国家"8 63"重点项目新型网络服务器系统 ( 2 0 0 1AA11112 0 )资助

摘　　要：集群系统实现单一用户访问点的常用方法是设置一个前端机统一进行用户请求的转发 ,这种方法很好的解决了集群的单一入口问题 ,但容易引起单点失效 ,性能也难扩展 .提出并实现了一个多入口解决方案 ,即 :由多个节点来承担上行请求的调度任务 ,各节点具有相同的 IP地址和 MAC地址 ,通过对源 IP的过滤实现数据包的分流 ,多接口的存在对用户是透明的 ,通过多入口 ,集群的可扩展性、可用性均获得了增强 .分析和测试表明 ,这种接口方案可显著的提高集群系统接口的并发访问数 ,实现也非常简单 .The general method to implement single access point in cluster is transmitting the incoming requests to real servers by one front-end node as a gateway, which can well resolve the single entry. But it is easy to lead to single point of failure and difficult to extend the performance of the gateway. In this paper we present a kind of multi-entry gateway solution and implement it. The gateway consists of multiple entry nodes, each has the same IP and MAC address dispatching the packets separately by filtering the incoming packets according to their source IP. All of these are transparent to the clients. The entry nodes are scalable and the performance of the gateway is better. The test results show the solution has better accessibility and throughput than single machine system. Its implementation is easy.

关 键 词：可用性 多入口 负载均衡 集群接口 LVS 

分 类 号：TP302[自动化与计算机技术—计算机系统结构]