Method and system for detecting changes in network performance
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United States of America Patent
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Jul 8, 2014
Grant Date -
Mar 22, 2012
app pub date -
Sep 22, 2010
filing date -
Sep 22, 2010
priority date (Note) -
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Abstract
A system and method are provided for identifying a change point in a set of data. The system performs the method by receiving a set of data. The data indicates a plurality of performance measurements from a measurement point in a network. Each of the plurality of measurements represents a single type of performance measurement made at the measurement point at each of a corresponding plurality of points in time. The method also includes dividing the set of data into a plurality of data points in a chronological order. Each data point has a value corresponding to the performance measurements. The method also includes ranking the data points in an ascending order, calculating a cumulative sum for each of the data points, calculating a change score for the set of data points. A change point is identified in the data set if the change score exceeds a predetermined confidence level.
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