Network device implementing two-stage flow information aggregation
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United States of America Patent
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Feb 27, 2018
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app pub date -
Nov 18, 2016
filing date -
Jul 30, 2014
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Abstract
A network security device includes a network flow statistics processing engine to process network flow information related to network flows. The network flow statistics processing engine includes a first processing stage performing per-flow information aggregation and a second processing stage performing per-destination system component information aggregation, with each processing stage implementing a threshold-based data export scheme and a timer-based data export scheme. In this manner, up-to-date flow information is available to peer system components regardless of the varying flow rates of the network flow.
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