Determining time varying thresholds for monitored metrics
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United States of America Patent
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Jan 21, 2014
Grant Date -
May 6, 2004
app pub date -
Oct 31, 2002
filing date -
Oct 31, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for determining time-varying thresholds for measured metrics are provided. With the method and apparatus, values of a given metric are captured over time. The behavior of the metric is analyzed to determine its seasonality. Correlated historical values of the metric and additional related metrics (cross-correlation) are used as inputs to a feed-forward back propagation neural network, in order to train the network to generalize the behavior of the metric. From this generalized behavior, point-by-point threshold values are calculated. The metric is monitored and the monitored values are compared with the threshold values to determine if the metric has violated its normal time-varying behavior. If so, an event is generated to notify an administrator of the error condition.
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