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Adaptive queue-management

  • US 8,335,157 B2
  • Filed: 05/17/2010
  • Issued: 12/18/2012
  • Est. Priority Date: 05/17/2010
  • Status: Active Grant
First Claim
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1. A method comprising, by one or more computing systems:

  • storing in a quality-of-service (QoS)-enabled communication system a data structure that has a multi-level hierarchy comprising;

    a physical level comprising one or more physical-level nodes, each of the physical-level nodes corresponding to a physical interface for transmitting a bandwidth-limited traffic (BLT) stream of packets;

    a logical level comprising one or more logical-level nodes, each of the logical-level nodes comprising a bandwidth-limitation parameter; and

    a class level comprising one or more class-level nodes, each of the class-level nodes corresponding to a service provided by the QoS-enabled communication system;

    receiving a first request for M number of services provided by the QoS-enabled communication system;

    in response to the first request, modifying an allocation of the logical-level nodes by mapping M class-level nodes to a first one of the logical-level nodes according to a first mapping mode of the data structure;

    receiving a second request for P services provided by the QoS-enabled communication system, P being greater than M; and

    in response to the second request, modifying an allocation of the logical-level nodes by mapping P class-level nodes to a second one of the logical-level nodes according to a second mapping mode of the data structure.

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