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Statistical gathering framework for extracting information from a network multi-layer stack

  • US 6,615,262 B2
  • Filed: 08/21/2001
  • Issued: 09/02/2003
  • Est. Priority Date: 06/28/1999
  • Status: Expired due to Term
First Claim
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1. A method for gathering statistics associated with a network session, comprising:

  • receiving a plurality of packets including payloads at a plurality of analyzers;

    analyzing the plurality of packets including the payloads thereof to identify a plurality of flows;

    identifying a session associated with the plurality of flows;

    identifying at least one application associated with the session;

    reconstructing the session utilizing the identified application;

    analyzing the reconstructed session;

    gathering a plurality of statistics associated with the session based on the analysis;

    determining a policy;

    outputting records reflecting the statistics; and

    performing an accounting operation based on the records and the policy;

    wherein a timing associated with the output of the records is based on the identified application.

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