Weighted round robin engine used in scheduling the distribution of ATM cells

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United States of America Patent

PATENT NO 6434155
SERIAL NO

09469583

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Abstract

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A weighted round robin (WRR) engine includes components to arbitrate emission of ATM cells assigned to different flows. In one embodiment termed an inter-QoS WRR, the flows are linked to quality of service (QoS) parameters. A tag value is further assigned to each QoS parameter. Whenever the QoS is selected by the Inter-QoS WRR to have a flow emit an ATM cell, the tag value for the QoS is incremented by a weight assigned to the QoS. The QoS selected by the Inter-QoS WRR is the QoS with the lowest tag. If two or more QoSs are tied with the lowest tag, the highest numbered QoS is selected by the WRR.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ALCATEL USA SOURCING, L.P.PLANO, TX208
WSOU INVESTMENTS, LLCLOS ANGELES, CA3521

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jones, James W Novato, CA 32 1503
Nelson, Michael Rohnert Park, CA 129 2079

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