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Dedicated Point to Point (Leased Line)-A leased line provides a dedicated point-to-point connection between two sites. The key advantages of a leased line are guaranteed bandwidth and high reliability. However, you can't connect multiple sites with a single leased line. You need a separate line for each link. Leased lines are also expensive, especially over long distances, since charges depend on transmission distance as well as bandwidth. A leased line between New York and London, for example, could cost several hundred thousand dollars a year.
Recently, leased line services have been regaining popularity, because they're being used for short connections to local Internet Service Providers (ISPs). The dedicated line guarantees a quick connection to the Internet or a switched network, and costs are reasonable because the distances are short. |
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