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Method and system for identifying congestion and anomalies in a network

  • US 6,684,247 B1
  • Filed: 04/04/2000
  • Issued: 01/27/2004
  • Est. Priority Date: 04/04/2000
  • Status: Expired due to Term
First Claim
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1. A method for identifying a congestion or an anomaly in a network, said method comprising the steps of:

  • determining a statistical model based on a harmonic analysis;

    estimating a metric associated with one of a link, a node, or a segment in the network based on the determined model;

    identifying one or more congestion or anomalies in the link, node, or segment based on the estimated metric; and

    wherein the determining step comprises the steps of collecting metric data from the network;

    selecting a model that includes one or more harmonic components; and

    capturing a periodicity of the collected data in the harmonic components of the selected model.

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