Weighted fair queue having extended effective range

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United States of America Patent

PATENT NO 7187684
APP PUB NO 20030081545A1
SERIAL NO

10016518

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Abstract

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A scheduler for a network processor includes a scheduling queue in which weighted fair queuing is applied to define a sequence in which flows are to be serviced. The scheduling queue includes at least a first subqueue and a second subqueue. The first subqueue has a first range and a first resolution, and the second subqueue has an extended range that is greater than the first range and a lower resolution that is less than the first resolution. Flows that are to be enqueued within the range of highest precision to the current pointer of the scheduling queue are attached to the first subqueue. Flows that are to be enqueued outside the range of highest precision from the current pointer of the scheduling queue are attached to the second subqueue. Numerous other aspects are provided.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
INTERNATIONAL BUSINESS MACHINES CORPORATIONARMONK, NY46802

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goetzinger, William John Rochester, MN 15 123
Handlogten, Glen Howard Rochester, MN 26 195
Mikos, James Francis Rochester, MN 19 171
Norgaard, David Alan Rochester, MN 22 161

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