VMware Telco Cloud Service Assurance

Telco Cloud Service Assurance 2.X

The Anomaly score signifies the level of uncertainty in that metric value. If the probability of metric value is higher, then the anomaly score of the metric value is low.

If the probability of the metric value is lower, then the anomaly score of the metric value ls higher.

**UCB**signifies the upper threshold of the metrics value based on the previous time interval data.

The UCB is sum of mean of pervious time interval 's data and standard deviation of previous time interval's data scaled by confidence interval (User configurable | Default = 2)**LCB**signifies the lower threshold of the metrics value based on the previous time interval data.

The LCB is sum of mean of pervious time interval's data and standard deviation of previous time interval's data scaled by negative confidence interval (User configurable | Default = 2).

Anomaly score calculation takes place, if the metric value is higher than UCB or lower than LCB.

In other words, detection of anomaly is not based on score, rather based on the UCB or the LCB.

Hence, if the metric value in question is found to be anomalous, only then score is calculated.

More details about Configuring Anomalies is available at: Configuring Anomalies

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