Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2009-02-03
2011-12-27
Moe, Aung S (Department: 2474)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S368000, C370S374000, C370S381000
Reexamination Certificate
active
08085789
ABSTRACT:
A method for selecting packets to be switched in a collapsed virtual output queuing array (cVOQ) switch core, using a request/acknowledge mechanism is disclosed. An egress location for an ingress port is selected based on degrees of freedom for the selection mechanism. The degree of freedom can be derived from the collapsed virtual output queuing array by determining a number of egress locations to which an ingress port may send packets and determining a number of ingress ports from which an egress location can receive packets. Analyzing all the queued packets for assignment to an egress location, starting with a lesser degree of freedom and ending with a greater degree of freedom provides efficient switching allocations and acknowledgements.
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Blanc Alain
Glaise Rene
Le Maut Francois
Poret Michel
Cai Yuanmin
International Business Machines - Corporation
Khanh Tran
Louis Vincelas
Moe Aung S
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