Secure Remote Access Vpn Design And Implementation

With the devolepment of Internet and e-business, it is the best way of economy globalization that it develop business on internet.When there are more more businesses,however, it make many enterprises wish to share their LAN with their partners, venders for it is able to simplify exchange of information and accelerate the communication speed. But internet is a globalized,and opened and unmanageable international network system which is basement on TCP/IP. So e-business is menaced by various threats and loopholes. There are a kind of consumerswho have more branches in the other countrys.while developing by themselves ,they found that establishments of network are often uncompatible. So the problem of communications between the users is a big one,which is the reason of development of VPN. This paper consists of the following aspects :1) brings forward the VPN system, including of analyzing its architecture, exchanging secret key and managing security policy. 2)expounds its background, the designing thinking and schema of the VPN system, especially the key of thinking and technology. As the main designer of the VPN system, I preside over projecting the VPN system's architecture and designing the Remote Access Terminal(RAS). Furthermore, I am also responsible for the implement of RAS. 3) in the end of article , summarizes the merit and the defect of the VPN system and makes some suggestion about the following work.