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Reducing an amount of captured network traffic data to analyze

  • US 9,929,930 B2
  • Filed: 01/19/2016
  • Issued: 03/27/2018
  • Est. Priority Date: 01/19/2016
  • Status: Active Grant
First Claim
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1. A communication network monitoring system comprising:

  • a plurality of probes coupled to respective locations of a communication network, each of the probes including programmable instructions configured to execute on a processing device, the probes being configured to;

    capture network data from network traffic of the communication network;

    detect by lightweight analysis performed by a first probe of the plurality of probes a data packet of the captured network data that includes information related to a transactional procedure failure transacted by an end-user device;

    determine, by the first probe, an identity of the end-user device;

    share the identity of the end-user device with other probes of the plurality of probes;

    add the end-user device'"'"'s identity to respective whitelists associated with the probes of the plurality of probes; and

    perform, for end-user identities included in the respective whitelists, detailed analysis of network data associated with the end-user identities captured during a predetermined time period.

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