双活数据中心方案(华为)目录1灾备建设的挑战与趋势...............................................................................................................32华为双活数据中心解决方案介绍................................................................................................42.1双活数据中心架构.............................................................................................................42.2双活数据中心部署............................................................................................................72.3客户价值............................................................................................................................93双活数据中心关键技术..............................................................................................................103.1存储层双活......................................................................................................................103.1.1AA双活架构..........................................................................................................103.1.2高可靠技术...........................................................................................................133.1.3高性能技术............................................................................................................253.1.4高可扩展性...........................................................................................................303.2计算层双活......................................................................................................................343.3应用层双活......................................................................................................................353.3.1B/S应用双活.........................................................................................................353.3.2C/S应用双活.........................................................................................................373.3.3数据库双活............................................................................................................393.4.网络架构..........................................................................................................................453.4.1网络架构...............................................................................................................453.4.2跨数据中心网络....................................................................................................453.4.3业务访问网络架构................................................................................................463.4.4二层互联...............................................................................................................513.4.5负载均衡技术........................................................................................................523.5传输层技术......................................................................................................................583.6安全层技术......................................................................................................................594可视化容灾管理.........................................................................................................................644.1总体部署........................................................................................