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| Criterion |  Business Strategy Strategy Execution Loop |  Operations Barrier Analysis |  Operations Fault Tree Analysis |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | The Strategy Execution Loop helps avoid treating strategy as a one-off document. It makes visible how strategic decisions are turned into objectives, initiatives, operational work, measurement, and learning. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | Initial 3-6 h, then monthly or quarterly reviews | 2-4 h | 2-6 h | 30-90 min |
Participantsdifferent | 5-12 | 2-6 | 3-8 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Execution Loop, Review Cadence, Strategic Learning Log | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | ExecutionCadenceLearningGovernance | Root causeSafetyIncident | RiskRoot causeSafety | Site Reliability EngineeringIncidentLearningReliability |