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Applying quality of service to application messages in network elements

  • US 20070028001A1
  • Filed: 06/21/2006
  • Published: 02/01/2007
  • Est. Priority Date: 06/21/2005
  • Status: Active Grant
First Claim
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1. A data processing apparatus, comprising:

  • a plurality of network interfaces that are coupled to a data network for receiving one or more packets therefrom and sending one or more packets thereto;

    one or more processors;

    a switching system coupled to the one or more processors and packet forwarding logic, wherein the switching system and packet forwarding logic are configured to receive packets on a first network interface, determine a second network interface on which to send the packets, and to send the packets on the second network interface;

    a computer-readable storage medium recorded with one or more message classification rules and a mapping of message classification values to network-level QoS values, wherein each of the message classification rules specifies one or more message attributes and one of the message classification values;

    application QoS logic which when executed by the one or more processors is operable to cause;

    receiving an application-layer message;

    matching one or more attributes of the application-layer message to the message classification rules;

    determining a message classification of the application-layer message based on the matching;

    selecting one of the network-level QoS values using the mapping and based on the determined message classification;

    marking a network-level header of the application-layer message using the selected QoS value.

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