Ip Wan

Written by Amy Hunter
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A relatively new method of setting up a wide area network is through IP WAN. Short for internet protocol wide area network, IP WAN offers the services of a traditional WAN with the flexibility of IP technology. Advances in technology happen so rapidly that it's hard to keep up with each new change. The IP WAN development is an exciting one for WAN developers.

A traditional WAN network connects the various arms of its network through a hub. All communications pass through this hub, where they are then routed to the proper computer. This method works very well, except for one major sticking point. A problem in the hub of the network can shut the entire WAN down.

Implementing IP technology allows for redundant paths to be formed for the network's data. This redundancy does not allow for a single point of failure. The system provides for its own back-ups all along the route. The information is moved along the path through a series of routing decisions, just as in a traditional WAN; however, the router decisions are based on back up and the steady flow of data (as opposed to delivering the data at the central hub, and then switching it to a different line and delivering it to the receiving computer).

When using an IP WAN, the data is passed along directly to the intended receiver. By not traveling through a hub, the traffic that would normally slow down the main host site is eliminated. This different routing method reduces bandwidth and stress on the host site.

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