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
* 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.
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