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| Dedicated line ： ウィキペディア英語版 |
Dedicated line
In computer networks and telecommunications, a dedicated line is a communications cable or other facility dedicated to a specific application, in contrast with a shared resource such as the telephone network or the Internet.
In practice, such services may not be provided by a single, discrete, end-to-end cable, but they do provide guarantees of constant bandwidth availability and near-constant latency, properties that cannot be guaranteed for more public systems. Such properties add a considerable premium to the price charged.
As more general-purpose systems have improved, dedicated lines have been steadily replaced by intranets and the public Internet, but they are still useful for time-critical, high-bandwidth applications such as video transmission.
==See also==
*Asynchronous Transfer Mode
*Frame relay
*T-carrier
*E-carrier
*Leased line
*Private line
*Ringdown
*Resource reservation protocol
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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