lvs+keepalived+Haproxy+web(nginx apache)四七层负载均衡高可用集群构建
以下步骤为个人实验环境简单原理:客户端访问对外入口lvs+keepalived(四层),lvs将请求负载至后端两台haproxy(七层),haproxy再将请求负载至后端服务器。如下拓扑图:一、准备工作1、9台虚拟机主机IP作用192.168.137.100虚拟IPlvs-keepalived-01192.168.137.145LVS将请求负载至haproxy中的一台lvs-keepalived-