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Managing timeouts for dynamic flow capture and monitoring of packet flows

  • US 7,633,944 B1
  • Filed: 11/20/2006
  • Issued: 12/15/2009
  • Est. Priority Date: 05/12/2006
  • Status: Active Grant
First Claim
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1. A method for maintaining timers within a network flow capture device, the method comprising:

  • defining a timeout array comprising a plurality of elements, wherein the timeout array represents a span of time and the elements represent sequential units of time;

    executing a communication protocol to receive information specifying one or more filter criteria for matching one or more packet flows and a timeout associated with the filter criteria; and

    updating an element of the timeout array to identify the filter criteria, wherein the updated element represents a time unit within the span of time that corresponds to the timeout for the flow criteria.

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