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| Criterion |  DevOps Blameless Postmortem |  Operations Root Cause Tree Analysis |  Decision Making OODA Loop |
|---|---|---|---|
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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | In dynamic situations, decisions become outdated faster than they can be prepared. The OODA Loop holds observing, orienting, deciding, and acting together as a recurring rhythm so reaction does not slide into inertia. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-90 min | 1-3 h | 15-60 min je Zyklus |
Participantsdifferent | 3-12 | 2-8 | 1-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Cause Tree, Evidence Notes, Countermeasures | Situation Assessment, Decision Loop, Action Updates |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Root causeTreeIncidentQuality | DecisionChangeLearningStrategy |
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