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Dynamic priority queue level assignment for a network flow

  • US 8,537,846 B2
  • Filed: 04/27/2010
  • Issued: 09/17/2013
  • Est. Priority Date: 04/27/2010
  • Status: Active Grant
First Claim
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1. A method of managing a flow through a network, comprising:

  • receiving, at a controller, network performance data from a plurality of switches of the network, wherein the flow passes through the plurality of switches;

    determining, with the controller, respective priority queue levels for the flow through each of the plurality of switches based on the network performance data;

    mapping, with the controller, the flow to an optimized priority queue level of the flow at each of the plurality of switches, wherein mapping the flow includes modifying virtual local area network (VLAN) priority ceiling protocol (PCP) bits on packets of the flow based on the mappings while the flow passes through the plurality of switches; and

    assigning, with the controller, one of the respective priority queue levels to each switch.

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