| 摘要 |
A trunk line bandwidth reservation system is applied to an asynchronous transfer mode switching system which is coupled to a plurality of terminals. The trunk line bandwidth reservation system includes a data storage for storing reservation data, a bandwidth reservation part for registering a reservation datum which includes at least a time zone and a reserved bandwidth to be used by a reserved communication into the data storage in response to a reservation request which includes the reservation datum and is generated from a first terminal before the time zone, where the time zone starts from a reserved start time, and a bandwidth assignment part for assigning the reserved bandwidth to the first terminal in response to a connect request which is generated from the first terminal at the reserved start time, and for assigning an available bandwidth to a second terminal in response to a connect request which is generated from the second terminal by judging the available bandwidth based on a bandwidth which is presently in use and the reserved bandwidth which is secured by the reservation datum. The second terminal is other than the first terminal and generates the connect request which is no associated with a reservation request.
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