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 provide high availability, load balancing, and based on the TCP and HTTP proxy support virtual hosts, it' s free, fast and reliable solutions

本系统主要使用JAVA编程语言编写HTTP代理服务器程序，研究代理服务器技术。-This system is mainly used web programming language JAVA HTTP proxy server, proxy server technology research.