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WAN setup question

Last response: in Networking
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December 15, 2006 12:42:03 AM

Can anyone tell me what a typical WAN setup looks like? is it just a bunch of LANs strung together or is there more to it than that?

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December 15, 2006 2:48:43 AM

Why do you ask? The term has an official definition, but is used loosely to mean anything on the uplink side of a router on one extreme to "the internet" on the other.

The internet, BTW, does meet the actual definition of a WAN.
December 15, 2006 12:39:25 PM

ok so what does a typical WAN of a buisness look like?
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December 15, 2006 1:35:49 PM

The typcial business WAN is multiple remote office LANs connected over the internet, many times using a VPN for secure private connections.

Each local office typically has a router with a firewall serving the office LAN, or possibly a proxy server with a firewall (depending on the size and sophistication of the business).
December 15, 2006 3:08:52 PM

You still didn't say why you are asking... what are you looking for?

Here are some definitions that may help you (source: SearchNetworking.com Definitions)

A local area network (LAN) is a group of computers and associated devices that share a common communications line or wireless link. Typically, connected devices share the resources of a single processor or server within a small geographic area (for example, within an office building). Usually, the server has applications and data storage that are shared in common by multiple computer users. A local area network may serve as few as two or three users (for example, in a home network) or as many as thousands of users.

Ethernet is by far the most commonly used LAN technology.

Typically, a suite of application programs can be kept on the LAN server. Users who need an application frequently can download it once and then run it from their local hard disk. Users can order printing and other services as needed through applications run on the LAN server. A user can share files with others at the LAN server; read and write access is maintained by a LAN administrator. A LAN server may also be used as a Web server if safeguards are taken to secure internal applications and data from outside access.

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).

A metropolitan area network (MAN) is a network that interconnects users with computer resources in a geographic area or region larger than that covered by even a large local area network (LAN) but smaller than the area covered by a wide area network (WAN). The term is applied to the interconnection of networks in a city into a single larger network (which may then also offer efficient connection to a wide area network). It is also used to mean the interconnection of several local area networks by bridging them with backbone lines. The latter usage is also sometimes referred to as a campus network.

Examples of metropolitan area networks of various sizes can be found in the metropolitan areas of London, England; Lodz, Poland; and Geneva, Switzerland. Large universities also sometimes use the term to describe their networks. A recent trend is the installation of wireless MANs.
December 15, 2006 3:56:11 PM

I'm looking for the physical setup, such as what type of devices are used...etc
December 15, 2006 4:22:02 PM

How big (geography as well as number of computers at each location) is the network you are trying to set up?

As you can tell from all my hedging around, there is no one answer other than "it depends."
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