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Method and apparatus for session reconstruction

  • US 7,539,749 B2
  • Filed: 06/09/2003
  • Issued: 05/26/2009
  • Est. Priority Date: 04/20/2000
  • Status: Expired due to Fees
First Claim
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1. A method for gathering statistics associated with a network session, comprising:

  • receiving a plurality of packets including payload text portions at a plurality of analyzers;

    analyzing the plurality of packets including the payload text portions 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

    wherein an accounting operation is performed based on the records and the policy;

    wherein an aspect associated with the output of the records is based on the identified application;

    wherein the statistics include at least three of the following;

    start time, end time, time since last output, number of packets, number of bytes, average time between packets, moving average, latency, throughput, jitter, and an application specific statistic;

    wherein a plurality of reports are outputted including a plurality of the statistics records in terms of the identified application.

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