【摘要】 本文对网络领域的新技术虚拟专用网 ,从它的概念、基本功能、关键技术以及所用到的隧道协议进行了较为详尽的分析和总结 ,最后以一个实例说明了虚拟专用网的工作过程。更多还原

【Abstract】 This paper makes a detailed analysis and summary on Virtual Private Network (VPN),a new technology in the area of networking,focusing on its concepts,basic functions,key techniques and tunneling protocols.The working process is illustrated with an example.更多还原