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Frameworx Metric: Mean Time Between Failures (MTBF)

Alt Frameworx Metric ID: ALTFRAMEWORXMETRICID#

BA Domain:

Business Value Driver: decrease problems -> increase customer satisfaction; decrease problems -> decrease operating cost

Capability: ASR

Last Used:

Long FxMetric ID: A-OE-3c

Reporting Detail:

Accuracy: 1

FxMetric UUID:

Responsibility: BMS

Capture Period: Month

Legacy Name: Mean Time Between Failures

Metric Special Name:

Metric Value Type:

Preferred: High

Metric Type: Ratio

State:

Entry Date: 9/30/2012

Short Metric ID:

Units: Day

operational effectiveness of the Assurance process by assessing the mean time between failures. This metric is measured over a period as the ratio of the Mean time between repairs and the number of trouble tickets closed over the period. The mean time between repairs considers the revenue system size (such as live ports) without taking into account the service outage time (calculated as the MTTR for the period for all the trouble tickets over the period)

Alt-Cat1: Operational Efficiency

Alt-Cat2: Assurance

Alt-Cat3: Defects, Waste, Rework

Category: Business Metric

Measurand: occurrence.failure

Metric Level:

Metric State: Active

Metric Topic:

Example calculation: Revenue System Size = 15,606 ports * 30 days = 468,180.00 days. MTTR in days = 213.7 mins = 0.148 days. Number of trouble tIckets closed = 4792 trouble tickets. Therefore MTBF = (468,180.00-(.148*4792)) / 4792. Therefore MTBF = 97.6 days. See the Counting Rules tab for more information on how Service Outages are counted to ensure consistency among participants.

Legacy Denominator FxMetric ID: 126

Legacy Denominator Name: Number of trouble tickets closed in month

Legacy Factor:

Legacy FxMetric ID: 73

Legacy Numerator FxMetric ID: 275

Legacy Numerator Name:

Legacy Prose Ratio: 275: / 126: Number of trouble tickets closed in month

((Revenue System Size)-(MTTR*number of trouble tickets closed in month)) / number of trouble tickets closed in month

Business Metric Mean Time Between Failures (MTBF)

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This was created from the Frameworx 16.0 Model


Created from the TM Forum Model Frameworx 16.0.0 on 6/13/2016 at 22:56