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| Criterion |  DevOps Blameless Postmortem |  Engineering Failure Scenario Analysis |  Product Strategy DIBB |
|---|---|---|---|
Purposedifferent | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-3 h | 1-2 h |
Participantsdifferent | 3-12 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | DIBB document, Belief list, Bet list, Learning report |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | FailureResilienceRisk | StrategyDecisionAssumptionsHypothesis |
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