Communication switch including input bandwidth throttling to reduce output congestion
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United States of America Patent
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Dec 23, 2003
Issued Date -
N/A
app pub date -
Aug 31, 1999
filing date -
Oct 28, 1998
priority date (Note) -
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Abstract
A network switch maintains transmit queues and for each transmit queue a table which identifies the contributions of traffic received at the ingress ports to that queue. When a queue is too long, a pause frame is dispatched from a selected one of the ingress ports. The ingress port may be selected as that making the greatest contribution to the transmit queue. However, a control algorithm allows ports carrying high priority traffic to be excluded from the selection.
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