Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined arbitration scheme
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United States of America Patent
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Sep 6, 2005
Grant Date -
Aug 15, 2002
app pub date -
Jul 23, 2001
filing date -
Nov 20, 2000
priority date (Note) -
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Abstract
A pipeline-based matching scheduling approach for input-buffered switches relaxes the timing constraint for arbitration with matching schemes, such as CRRD and CMSD. In the new approach, arbitration may operate in a pipelined manner. Each sub-scheduler is allowed to take more than one time slot for its matching. Every time slot, one of them provides a matching result(s). The sub-scheduler can use a matching scheme such as CRRD and CMSD.
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