如今,越来越多的单位网络中采用了虚拟专用网(Virtual Private Network,VPN)。设想你无论何时何地,只要有相应公共网络,就可以利用VPN技术安全地远程访问公司内部信息,是不是很便捷?简单来说,虚拟专用网是指在公用网络上建立一条虚拟的专用通道,可看做是一条穿过“混乱”公用网络的安全、稳定的隧道。以下从应用需求、主要特点、应用模式等3个方面,对 Today, an increasing number of unit networks use Virtual Private Networks (VPNs). Imagine wherever and whenever you have a public network, VPN technology can be used to securely access the company’s internal information remotely, is not very convenient? In short, the virtual private network refers to the public network to create a virtual private Channel, can be seen as a safe, stable tunnel through the “messy” public network. The following from the application requirements, the main features, application patterns and other three aspects, right