一种双机热备份的方法及实现  

Method and Implementation of Dual-server Hot Backup

作　　者：方中海 方琪 Fang Zhonghai;Fang Qi

机构地区：[1]南京熊猫汉达科技有限公司

出　　处：《通信与广播电视》2019年第4期20-25,共6页Communication & Audio and Video

摘　　要：本文提出了一种实现网络服务双机热备的方法,首先通过快/慢结合的心跳和握手机制,完成服务器主备角色的协商;然后在网络层面,利用虚拟IP技术,实现了双机使用同一IP地址对外提供服务的热备方案。本方法无需客户端轮询查找服务器,有效避免了客户端的负担,另外本方法能非常方便的实现原来单服务器系统,快速升级为双服务器热备。This paper proposes a method of dual-server hot backup for network service. Firstly, through the fast/slow combined heartbeat & handshake mechanism, the negotiation of the master and slaver roles of the server is completed. Then, at the network level, virtual IP technology is used to realize hot standby scheme of dual-server service provision with the same IP address. This method the client does not need to poll the server, which can effectively reduce the burden of the client. In addition, the original single server can be upgraded quickly to the dual-server hot backup system.

关 键 词：双机热备份 虚拟IP 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]