System and method for congestion control in packet-based communication networks
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United States of America Patent
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May 27, 2003
Grant Date -
N/A
app pub date -
Jul 14, 1999
filing date -
Mar 30, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A network switch including a port for the reception and transmission of data packets, and a receive buffer store connected to the port, detecting a predetermined state of fullness of the buffer store, initiating in response to the state of fullness the production of control frames for signaling to a source of packets to pause the sending of packets to the switch, counting said frames to obtain a measure of congestion of the switch, and responsive to a rate of change of measure to enable the discarding of packets received by the buffer when rate is higher than a first predetermined value and to disable the discarding of packets when the rate of change of the measure is below a second predetermined value.
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