Special Edition Using TCP/IP, Second Edition

Summary

There has been a tremendous change in the way organizations conduct their business due to the increase in the popularity of the Internet. At this juncture, organizations need to concentrate on minimizing costs and at the same time expand their business. The solutions taken by the organization must also be secure. Virtual Private Networks (VPN) offer a good solution for creating cost-effective networks that are secure enough for the organizations to conduct their business communication.

A VPN is created by connecting two private networks through a public medium. A VPN can be intranet-based or extranet-based. VPNs can also be classified as router-to-router VPNs or remote access VPNs depending on the type of access provided by the VPN. ...