Method and apparatus for guaranteeing data transfer rates and enforcing conformance with traffic profiles in a packet network

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United States of America Patent

PATENT NO 6937561
APP PUB NO 20020036984A1
SERIAL NO

09873524

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Abstract

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A monolithic shaper-scheduler is used for the efficient integration of scheduling and dual-leaky-bucket shaping in a single structure. By making the evolution of the timestamps of the backlogged flows independent of their shaping parameters, the performance drawbacks of prior-art shaping architectures are overcome. The monolithic shaper-scheduler tests each packet flow as being either 'virtually compliant' or 'virtually incompliant' when a new packet arrives to the head of its queue. The test for 'virtual compliance' is based on traffic profiles associated with the flows. The result of the test is used in conjunction with the timestamp and eligibility flag of each packet flow to efficiently schedule the transmission of packets.

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Patent Owner(s)

Patent OwnerAddress
INTEL CORPORATION2200 MISSION COLLEGE BLVD SANTA CLARA CA 95054

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiussi, Fabio M Long Branch, NJ 24 674
Francini, Andrea Middletown, NJ 27 491

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