Nowadays both NGN network and 3g mobile communication network (will be in the construction) of Guizhou net communication Co. need to use IP VPN technology.
当前贵州网通的NGN网络及即将建设的3g移动通信网络都需要使用到IP VPN技术。
The quality evaluation architecture is applied to the IP-VPN service practically and effectively on solutions and algorithms.
该质量评价体系为IP虚拟专用网业务提供了一种实用有效的评价方案和评价算法。
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