Packet switch scheduling apparatus with output schedulers and input schedulers performing scheduling processes separately
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United States of America Patent
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N/A
Issued Date -
Sep 27, 2007
app pub date -
Mar 22, 2007
filing date -
Mar 23, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A packet switch scheduling apparatus in a packet communication apparatus is disclosed. Output schedulers select respective input lines, which are to be connected to a crossbar switch, for respective output lines. If previously selected input lines overlap each other, input schedulers select respective output lines for respective input lines, and output canceling information to those output schedulers which correspond to overlapping output lines that have not been selected. When the output schedulers are supplied with the canceling information, the output schedulers increments the value of request counters for the input lines corresponding to the input schedulers which have output the canceling information.
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