Now that the Internet provides a high speed WAN, the need for a private network made up of leased lines owned by the organisation who wants to connect the sites has reduced, and a [[virtual private network]] is often used, which uses [[encryption]] and other techniques to make it appear that the organisation has a dedicated network while making use of the shared infrastructure of the WAN. | Now that the Internet provides a high speed WAN, the need for a private network made up of leased lines owned by the organisation who wants to connect the sites has reduced, and a [[virtual private network]] is often used, which uses [[encryption]] and other techniques to make it appear that the organisation has a dedicated network while making use of the shared infrastructure of the WAN. |