虚拟专用网(VPN)的研究与实现

Research on and Realization of VPN

虚拟专用网 (VPN)技术是当前热门的网络技术 ,它利用Internet公共网络进行网络互连 ,在减轻企业费用的同时 ,保证了数据的安全性。分析了VPN的特点 ,对VPN中数据的加密、封装和隧道协议等进行了研究 ,最后给出了VPN在目前网络中的几种实现方法。

VPN is pop network technology today. VPN interlinkage is realized through Internet. It decreases the cost of the corporation and at the same time, it ensures the safety of the data. In this paper, the writer introduced characteristic of VPN, and researched on the data encryption, encapsulation, tunnel protocol technology of VPN. Finally, Several realization ways of VPN are been given.