A Wide Area Network is a network of computers that covers a large geographical area. Usually involving wireless technology because of the distance, it is basically a beefed-up LAN (local area network). However, even though technology has become much cheaper, building and maintaining your own WAN can be very costly and time-consuming. Those are its main disadvantages. These days, use the
. Internet to your advantage by creating a VPN. See www.openvpn.net for one example of how to use the technology.
