VPN技术的强健性研究

VPN技术是目前网络安全的重要组成部分，因其保密性强、管理成本低等特点，在企事业LAN、电子商务、电子政务等网络中被广泛使用。其设计包含加解密算法、隧道技术、密钥管理、身份认证等技术，技术涉及到的各种加密方法和管理协议较多，比较复杂。不同的设计和配置效果差异较大。分剐对VPN各个技术层面进行解析，对建立强健稳定的VPN技术进行研究．提出解决方案。

Research on Robustness of VPN Technology

VPN technology is an important part of the network security, and confidentiality are strong, for its administrative costs lower, in enterprises and LAN, e-business and administrative and elec- tronic network is widely used. The design includes encryption and decryption algorithm, tunnels technology and key management and identification authentication for more complex and in- volves various kinds of encryption and more management agreement. The different design and configuration effect are different. Analyses the various VPN technical and studies on building strong and stable VPN technology, and gives the solutions.