Flow sampling with top talkers
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United States of America Patent
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Dec 18, 2012
Grant Date -
Oct 6, 2011
app pub date -
Mar 30, 2010
filing date -
Mar 30, 2010
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Abstract
An improved network flow sampling apparatus and corresponding method more intelligently selects flows to be reported beyond random flow or packet sampling intervals. Evaluation of flows selects top talkers or heavy hitters as important flows that most impact traffic and therefore should be reported. Top talkers are flows defined based on a customized definition according to, for example, number of packets in a flow, number of bytes in a flow, or bandwidth consumed by a flow. An external collector can thus proceed with traffic profiling or other flow monitoring purposes with a more intelligently determined network flow sample.
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