【摘要】 VPN技术是在数据的传输过程中加上了加密和认证的网络安全技术,为在公网上实现专用网提供了一种解决方案。讨论了VPN技术的概念、关键技术、系统结构模型、相关协议以及其在网络安全中的应用。更多还原

【Abstract】 The technology of VPN is the network security technology which is added encrypt and attestation in the process when the data is transmitted. It makes possible that private network is implemented over public network.In this paper ,we discussed the conception,key techniques,system structure model,related agreement and key application in network security.更多还原