VPN network building is the tunneling technology based processs of building the exclusive and secure virtual private network.
VPN具有组网和安全两大功能，VPN组网是基于隧道技术为用户构建安全、独占的虚拟专用网络的过程。
VPN network building is the tunneling technology based processs of building the exclusive and secure virtual private network.
VPN具有组网和安全两大功能，VPN组网是基于隧道技术为用户构建安全、独占的虚拟专用网络的过程。
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