Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1997-11-24
1999-12-07
Ton, Dang
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370412, 370444, H04L 1228, H04L 1256
Patent
active
059995343
ABSTRACT:
A method for scheduling a plurality of cells of N number of prioritized queues in a node of an ATM network is provided, wherein each prioritized queue has a static priority different from priorities of other queues. In response to receipt of a cell having a jth static priority, the cell is held for a holding time so that the cell turns to be an eligible cell for transmission. Meanwhile, an empty flag EF.sub.j `0` or `1` is generated on a time slot basis, wherein the empty flag EF.sub.j `0` or `1` represents whether or not there exists the eligible cell for transmission in the corresponding jth prioritized queue; and the jth prioritized queue is switched to a higher prioritized switch in a jth prioritized switch based on the empty flag EF.sub.j, wherein the jth prioritized switch has a jth and a lower input terminals, which are connected to the jth prioritized queue and the lower prioritized switch, respectively, and an output terminal, which is connected to the higher prioritized switch.
REFERENCES:
patent: 5267235 (1993-11-01), Thacker
patent: 5563884 (1996-10-01), Fimoff
patent: 5592476 (1997-01-01), Calamvokis et al.
Daewoo Electronics Co. Ltd.
Sam Phirin
Ton Dang
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