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本文描述了VPN技术的基本原理以及IPSec规范,在此基础上介绍了VPN技术的实现方法和几种典型应用方案。最后,作者对VPN技术的推广与应用提出了自己的看法。
This article describes the basic principles of VPN technology and IPSec specifications, and on this basis describes the implementation of VPN technology and several typical applications. Finally, the author put forward his opinion on the popularization and application of VPN technology.