Virtual Private Networks: Making the Right Connection / Edition 1 available in Paperback
- Pub. Date:
- Elsevier Science
Network-dependent companies are excited by the benefits promised by the virtual private network, including lower costs, greater flexibility, and improvements in connectivity. But they also have questions: What benefits are real? How can they be measured? What are the expenses and the dangers?
Virtual Private Networks: Making the Right Connection is an intelligent introduction written especially for business and IT professionals who want a realistic assessment of what a VPN can provide for their organizations. Covering advantages and risks, this book expands your understanding of what you can do with a VPN, while detailing all that implementing it will demand of you. With its help, you'll find your way through VPN hype to the answers you need to make sound decisions.
• Thoroughly explains VPN concepts and technologies, and examines the potential of VPNs as intranets, extranets, and remote access solutions.
• Covers essential VPN topics like tunneling, encapsulation, encryption, security, and protocols.
• Provides detailed points of comparison between typical VPN costs and the costs of maintaining traditional WANs.
• Offers frank consideration of the hidden costs and risks sometimes associated with VPNs, helping you decide if a VPN is right for you.
• Lists and assesses the software and hardware products you may need to implement a VPN.
• Discusses both Internet-based VPNs and VPN services offered by providers of "private" ATM and frame relay networks, detailing the pros and cons of each.
About the Author
Dennis Fowler is a columnist for ACM netWorker Magazine, a founding member of both the Association of Online Professionals and the Internet Press Guild, and a former contributing editor with Computer Shopper magazine. He is particularly interested in the practical application of online technologies-and the Internet in particular-to create new opportunities for commerce and enhance global communication.
Table of Contents
1 Defining the VPN
2 How to use a VPN
3 The Downside to VPNs
4 Internet versus Other VPNs
6 User Authentication, Authorization and Key Management
7 Tunnelling and the VPN Protocol Suites
9 Planning Your VPN
10 Administration and management