Hierarchical queue shaping
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United States of America Patent
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Mar 6, 2012
Grant Date -
Jul 5, 2007
app pub date -
Dec 21, 2006
filing date -
Jan 4, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A network device and method include token buckets, each token bucket associated with one of clients and virtual ports and configured to process information based on a predefined bandwidth and a strict priority/weighted deficit round robin. A maximum rate shaper module and a minimum rate meter module shape and meter whether any of the clients or virtual ports have exceeded a predefined threshold. A scheduler is configured to schedule services of the clients and to calculate a new bandwidth allocation for at least one of the clients or virtual ports when the at least one of the clients or virtual ports has exceeded the predefined threshold, the new bandwidth allocation replacing the predefined bandwidth and being proportional to the predefined bandwidth for each of the clients or virtual ports.
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