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What is WAN? (Views: 1259)


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WAN stands for wide area network and it covers the broader geographical area. The communication in a WAN is based on the Routers. A WAN network can cover a city, country or continents.

Routers are used to direct communications between LANs communicating on a WAN. The router, installed on the leased line, reads the "envelopes" or headers on each packet of data that passes through the WAN, sending it to the proper LAN. When the packet arrives at the LAN, a device called a switch sends the data packet on to the correct machine. Hence, the WAN actslike an interface between LANs for long-distance communication. A WANthat runs on a leased line is a private WAN, as there is no publictraffic on the line.

Submitted By: Anonymous | Created On: 7/19/2009 3:27:30 PM


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