Importance

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Abstract

A data traffic shaping system, comprises a plurality of burst groups, each burst group having a burst group credit allocation mechanism configured to earn credit over time; a shaping engine configured to manage incoming entries of traffic and to assign each incoming entry of traffic to a selected queue of the burst group depending on the characteristics of the entry; a plurality of queues, respective queues belonging to respective burst groups; and a bandwidth allocation table including locations identifying a queue and an amount of bandwidth credit to allocate to that queue, the shaping engine being configured to traverse the locations, to determine the bandwidth earned by the queues, such credit only being made available to the queue if its assigned burst group has at least that much credit available at that instant in time, and to process an entry in that queue only if the queue has earned a predetermined minimum amount of credit, relative to the current entry on the queue in question.

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First Claim