Multiplex communications – Pathfinding or routing – Through a circuit switch
Reexamination Certificate
2007-12-04
2007-12-04
Kizou, Hassan (Department: 2619)
Multiplex communications
Pathfinding or routing
Through a circuit switch
C370S387000, C370S412000, C370S429000
Reexamination Certificate
active
10395367
ABSTRACT:
A system and method are provided for resynchronizing backplane link management credit counters in a packet communications switch fabric. The method comprises: at an input port card ingress port, accepting information packets including cells and cell headers with destination information; modifying the destination information in the received cell headers; routing information packets between the input port card and output port cards on backplane data links through an intervening crossbar; at the input port card, maintaining a credit counter for each output port card channel; decrementing the counter in response to transmitting cells from the input port card; generating credits in response to transmitting cells from an output port card channel; sending the generated credits to increment the counter, using the modified destination information; and, using the generated credit flow to resynchronize the credit counter.
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patent: 5572522 (1996-11-01), Calamvokis et al.
patent: 6591286 (2003-07-01), Lu
patent: 7085846 (2006-08-01), Jenne et al.
patent: 2002/0012344 (2002-01-01), Johnson et al.
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Bendak George Beshara
Do Viet Linh
Hellmer Michael John
James Kevin Warren
Miller Kirk Alvin
Applied Micro Circuits Corporation
Kizou Hassan
Law Office of Gerald Maliszewski
Maliszewski Gerald
Zhu Bo Hui A
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