Bandwidth control method, cell receiving apparatus, and traffic control system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 8, 2005
Grant Date -
Oct 14, 2004
app pub date -
Jun 11, 2001
filing date -
Jun 15, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
In a communication network in which a group of connections has an assigned group bandwidth and each connection in the group has a minimum bandwidth, bandwidth usage is controlled by calculating the total current bandwidth allowed to the group, subtracting the total current bandwidth from the assigned group bandwidth, and adding the difference to each connection's current bandwidth allowance to calculate an explicit rate, according to which the connection's bandwidth allowance is controlled. The explicit rate is altered to a minimum explicit rate when, for example, the total bandwidth exceeds the group bandwidth. The minimum explicit rate of each connection is preferably calculated on the basis of the sum of the minimum bandwidths of the active connections in the group. These measures improve the fairness of bandwidth usage control.
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