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Current Status Calculation Method

Using this method, the user is provided with information on the status of the service right now. Since the term current depends on the rate in which events are happening, the results are based on a predefined sliding window that can be customized to the nature of each metric.

Following the example in Contractual Obligation Calculation Method, a current status that is based on a sliding window of 24 hours shows availability of 50 percent. This clearly indicates that there is a problem and allows the user to take preventative measures before the contractual obligation is breached. The figure below depicts this example.

Note: Current Status is enabled per metric (interval length and frequency). For more information, see Creating Metrics.

The current status calculation method calculates the results based on an independent predefined sliding window. The sliding window is calculated repeatedly, as set by its Frequency parameters. The size of the sliding window and the frequency can be set for each metric that was enabled for current status calculations in CA Business Service Insight. For more information, see Creating Metrics.

Since the sliding window by which current status is calculated is an independent and isolated frame, the state calculated by previous sliding windows is not passed on from one sliding window to another. When selecting metrics that are used for current status calculation, the user must examine the business logic and verify that it yields proper results. For example, a metric that calculates the number of open calls in a call center and the events received are of the type ticket opened and ticket closed. If the size of the sliding window is defined as one day and a ticket was opened a minute prior to the beginning of the sliding window, this event is not taken into consideration and the calculation results with an imprecision of one ticket. To reduce the error percentage when such business logic is used, the sliding window must be significantly larger compared to the rate that events typically occur.