Importance

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Abstract

Data flows are queued in an active queue (160.0) waiting for transmission. In each time slot, one data flow can be dequeued from the head of the active queue, and a data unit can be transmitted on the data flow. Then the data flow is placed in a queue 'i' which is one of the queues 1, 2, . . . N. Data flows are transferred from queue 'i' to the active queue once in every 2.sup.i time slots. When a data flow is dequeued from the active queue and transferred to queue i, the queue number 'i' is determined as i=log .DELTA., rounded to an integer, where A is the number of time slots in which one data unit must be transmitted from the data flow in order to meet a data flow bandwidth parameter. If the data flow has waited for 'd' time slots in the active queue before being dequeued, then i=log (.DELTA.-d), rounded to an integer.

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First Claim