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Root-cause analysis of network performance problems

  • US 20060215564A1
  • Filed: 03/23/2005
  • Published: 09/28/2006
  • Est. Priority Date: 03/23/2005
  • Status: Active Grant
First Claim
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1. A method for diagnosing network performance problems, the method comprising:

  • providing a graph representing a topology of a network comprising first nodes that are classified as providers of a resource, second nodes that are classified as consumers of the resource, and third nodes that are classified as mediators intervening between the providers and the consumers;

    receiving a report of a performance problem encountered by a given consumer in the network;

    responsively to the report, tracing at least one input/output (I/O) path through the graph connecting the given consumer to one or more of the providers; and

    identifying one or more problematic nodes along the at least one I/O path as possible causes of the performance problem.

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