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Применить Всего найдено 2. Отображено 2.
20-10-2000 дата публикации

QUEUING METHOD, ROUTING METHOD FOR QUEUING SYSTEM AND SHAKE-UP SWITCH USING IT

Номер: JP2000295288A
Автор: MARK GOUDORUU, SUTAFUROSU KORIOPAROSU, SATEISHI RAO
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PROBLEM TO BE SOLVED: To enhance scheduling in an input queuing switch with a high throughput. SOLUTION: In the queuing system where M-sets of groups each consisting of N-sets of input queues (each requesting one service) are provided, each group is expressed as one apex in 1st apex set of bipartite graphs, each service is expressed as one apex in a 2nd apex set, and each queue that is not idle is expressed as a side between the corresponding apex in the 1st apex set and the apex in the 2nd apex set corresponding to a requested service (23.3). With respect to an apex (v) not yet matched in the 1st apex set, shake-up matching is applied to an apex (y) without weight and when the (y) is not part of a preceding matching, a new matching (x, y) is added (23.9). When the (y) is part of other matching already, the shake-up matching is executed by replacing (z, y) with matching (x, y) (23.11). Shake-up matching without weight is attained by taking the apex and the length of (y) into account. COPYRIGHT ...

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20-10-2000 дата публикации

SCHEDULING METHOD IN QUEUING SYSTEM AND CHUTING BLANKS SWITCH

Номер: JP2000295247A
Автор: MARK GOUDORUU, SUTAFUROSU KORIOPAROSU, SATEISHI RAO
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PROBLEM TO BE SOLVED: To obtain a high stability with a simple operation by discriminating one port having a maximum cell arrival rate and adding a dummy cell to ports except the maximum rate cell arrival port in order to permit the arrival rates with respect to the whole ports to be nearly equal. SOLUTION: A chuting blanks switch is provided with four input ports 6-11 to 6-14 and four output ports 6-21 to 6-24, for example. The cell arrives at the input ports 6-11 to 6-14 by different rate. A rate discriminator 6.3 discriminates the input/output ports 6-11 to 6-14 and 6-21 to 6-24 of the maximum arrival rate. A filling settler 6.4 settles a dummy flow corresponding to a proper queue to permit the arrival rates with respect to the whole ports 6-11 to 6-14 and 6-21 to 6-24 to be equal. A dummy cell generator 6.5 generates the dummy cell. A scheduler 6.6 executes routing by a heuristic MBM method without considering a queue length. COPYRIGHT: (C)2000,JPO ...

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