VPNC is the international trade association for manufacturers in the VPN market.
Gives definition of VPN and an overview of general VPN topics, includes diagrams and an animation.
Describes IP-based VPN technology over the Internet.
VPN labs is an open community for researching, reviewing, and discussing Virtual Private Networks.
A smattering of VPN resources including several articles and guides.
Creates a secure network connection over a public network to enable remote users to securely connec...