虚拟私用网络 virtual private network

全球虚拟私用网 global virtual private network

虚拟私用网 Virtual Private Network ; VPN

虚拟私用网络服务 Vnet Virtual Private Network Service

安全虚拟私用网络 security virtual private network

虚拟私用因特网 virtual private internet

虚拟私用数据网 virtual private data network ; VPDN VirtualPrivateDataNetwork

私用虚拟网 PVN PrivateVirtualNetwork

虚拟私用拨接网络 virtual private dial-up network