1 目录1 .1 总述 ......................................................................................................................................... 2 1 .2 系统迁移需求分析 ................................................................................................................. 2 1 .2 .1 中心系统迁移需求分析总体结论 ................................................................................. 2 1 .3 迁移方案总体思路 ................................................................................................................. 2 1 .3 .1 保障业务中断停机时间最小化 ..................................................................................... 3 1 .3 .2 业务切割时间节点优化 ................................................................................................. 3 1 .3 .3 迁移后完整性测试 ......................................................................................................... 4 1 .4 服务器硬件环境迁移方案 ..................................................................................................... 4 1 .4 .1 迁移评估 ......................................................................................................................... 4 1 .4 .2 迁移计划 ......................................................................................................................... 4 1 .4 .3 测试计划 ......................................................................................................................... 5 1 .4 .4 迁移测试 ......................................................................................................................... 5 1 .4 .5 迁移实施 ......................................................................................................................... 6 1 .5 运营商接入链路（路由）迁移 .............................................................................................. 8 1 .6 应用系...
