HAProxy提供高可用性、负载均衡以及基于TCP和HTTP应用的代理，支持虚拟主机，它是免费、快速并且可靠的一种解决方案。HAProxy特别适用于那些负载特大的web站点， 这些站点通常又需要会话保持或七层处理。HAProxy运行在当前的硬件上，完全可以支持数以万计的并发连接。并且它的运行模式使得它可以很简单安全的整合进您当前的架构中， 同时可以保护你的web服务器不被暴露到网络上。-HAProxy provide high availability, load balancing, and application based on TCP and HTTP proxy, support for virtual hosts, it is free, fast and reliable a solution. HAProxy especially for those large loads of web sites, these sites often require to maintain or seven treatment sessions. HAProxy running on current hardware, can support thousands of concurrent connections. And its operating mode so that it can be very simple, secure integrated into your current architecture, while protecting your web server can not be exposed to the network.