Application Research of Computer Network Load Certification Constructing VPN Tunnel Technology

摘要

Setting- up large- scale VPN network becomes an important task, VPN has been attracted extensibe attention of business subscribers. In one speak, VPN technology is very complicated, it involves in communication technology, cryptography, authentication technology, it is an interdisciplinary. Tunnel technology is a key technology to set- up VPN network. In the port of host LAN and Internet, the data is packed in a pattern that can transport in Internet, in object LAN, the data is decompression and can use it . Give a simple analysis of the tunnel technique from the development of tunnel technique, to know the security technical of the setting- up large- scale VPN.