加强完善了网络的安全性，增加了网络的无故障运行时间；简化了多厂商混合网络的管理，并且能够有效地控制网上运行成本。

This management can improve the running quality of VOD system, enhance the security of network, increase the time of normal running and control the running costing.

youdao

加强完善了网络的安全性，增加了网络的无故障运行时间；简化了多厂商混合网络的管理，并且能够有效地控制网上运行成本。

This management can improve the running quality of VOD system, enhance the security of network, increase the time of normal running and control the running costing.

youdao