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- What is a WAN?
A wide area network (WAN) is a geographically dispersed telecommunications network. The term distinguishes a broader telecommunication structure from a local area network (LAN). A wide area network may be privately owned or rented, but the term usually connotes the inclusion of public (shared user) networks. An intermediate form of network in terms of geography is a metropolitan area network (MAN).

LAST UPDATED:

11 Apr 2009

Read more about WAN:

-	Next-generation wide area network services on the rise
-	IP network design, part 3: Designing the WAN
-	WAN interface confusion

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