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所谓虚拟的私有网络指的就是可以利用公共网络进行构建的只供个人专用的一种网络。这种网络可以对其使用用户提供网络的主要功能,而对于它的本身来讲却不属于独立的网络,就是我们所说的虚拟专用网。所谓虚拟也就表明了其实在构成上是存在一定差异的,不同于实在网路,而对于广大用户来讲,从功能结构上是不存在差异的,有着与实在网络相同的特点。由于VPN技术在当前的发展过程当中,主要还是基于电话网,也是在传统的IP网络上的技术。它可以把公共网络利用起来从而来构建专属个人的网络,文章主要阐述了VPN的构造,以及它的业务需求和发展。
The so-called virtual private network refers to the network can be constructed using public-only for a personal network. This kind of network can be used to provide users with the main function of the network, but for its part, it does not belong to an independent network, which is what we call the virtual private network. The so-called virtual also shows that there are actually some differences in the composition, is different from the real network, but for the majority of users, from the functional structure there is no difference, with the same characteristics with the real network. As VPN technology in the current development process, mainly based on the telephone network, but also in the traditional IP network technology. It can use the public network in order to build an exclusive personal network, the article focuses on the construction of VPN, and its business needs and development.