Wide area network is known as WAN it’s a telecommunications network or electronic network that extends over an over sized geographical distance.

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A Wide area Network suits a personal, an organization or Organization that operates  in totally different location that's separated by massive geographical distances, it'll be a matter essentially to attach these individual locations thus on share, exchange and manages information or communication. To realize this, the organization wants a Telecommunication Service supplier (TSP) to interconnect the LANs at the various locations.

Telecommunications Service suppliers manage massive space networks which will span long distances. TSPs transports voice and information communications on separate networks. These networks that connect LANs in geographically separated locations are cited as Wide space Networks (WANs).