The traditional concentrated project for backup depends on IP network as data route, so only transmited data will cause bandwidth saturation. The result is period of backup often excesses preplanned time.

• 传统的集中式备份解决方案依赖IP网络作为其数据路径，这样，仅传输的数据量就会使带宽处于饱和状态，结果备份周期经常超过预先计划好的备份时间。