Wide Area Network (WAN)

WAN, a wide area network, is a large network that connects multiple LANs or computer systems together. The connection can extend over a large geographical distance, for example across countries or continents. The WAN differs from WLAN, LAN or MAN, all of which are intended for a smaller geographical distance. Wide area networks are often used by Internet service providers to allow users to access the Internet. WANs are used within companies, for example to offer in-house cloud systems or to connect networks from different locations.