What is a Virtual Private Network (VPN)?
A VPN creates the effect of a private, leased line network, but without the associated design, deployment, cost and vulnerability issues. Dedicated circuits are established between the host location, the closest Central Office and the subscriber location. Dedicated circuits are not established between various subscriber locations. Routing tables are established to route the data traffic over the high-speed DSL facilities on a priority basis in order to ensure that the level of service provided is similar to that offered by a true private network.