Rate-based integral control scheme for active queue management
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United States of America Patent
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Nov 20, 2007
Grant Date -
N/A
app pub date -
Apr 30, 2003
filing date -
Apr 30, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is an Active Queue Management method and apparatus which uses traffic rate information for congestion control. Using a nonlinear fluid-flow model of Traffic Control Protocol, an integral controller in a closed loop configuration with gain settings characterized for stable operation allows a matching of the aggregate rate of the active TCP connections to the available capacity. Further disclosed is a method for calculation of the regime of gains for which stable operation of a given network obtains. This approach allows for capacity matching while maintaining minimal queue size and high link utilization.
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