Multiplex communications – Wide area network – Packet switching
Patent
1991-08-09
1994-01-18
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 60, 370 84, H04J 314
Patent
active
052804836
ABSTRACT:
A call admission control system in an asynchronous transfer mode exchange includes a unit for describing attribute parameters of a call from the subscriber terminal; a unit for calculating, based on the attribute parameters, the average and the dispersion of the traffic speeds of the call; a unit for managing data of the average and the dispersion on each output route and data relating to each subscriber; and a unit for calculating the total average and the total dispersion of the data speeds on the selected output route; and a unit for calculating prediction values of cell abandon rate and end-to-end delay based on the average and the dispersion on the selected output route calculated by the total average and dispersion calculating unit, and for comparing the prediction values with the required service quality of cell discard rate and end-to-end delay, for determining whether or not the requesting call may be connected.
REFERENCES:
patent: 4912702 (1990-03-01), Verbiest
patent: 4984264 (1991-01-01), Katsube
patent: 5020052 (1991-05-01), DePrycker et al.
patent: 5020055 (1991-05-01), May, Jr.
patent: 5070498 (1991-12-01), Kakuma et al.
patent: 5166894 (1992-11-01), Saito
Abe Shunji
Hayami Hichiro
Kamoi Jyoei
Kato Yuji
Kusayanagi Michio
Blum Russell
Fujitsu Limited
Olms Douglas W.
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