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Selected:Blameless Postmortem5 WhysStrategic, Tactical and Operational PlanningStrategy Execution Loop
| Criterion |  DevOps Blameless Postmortem |  Operations 5 Whys |  Business Strategy Strategic, Tactical and Operational Planning |  Business Strategy Strategy Execution 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | It places decisions and artifacts at the right level. Strategic planning clarifies direction, tactical planning translates it into programs, and operational planning steers concrete processes. | 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. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 30-90 min | 15-30 min | 90-180 min | Initial 3-6 h, then monthly or quarterly reviews |
Participantsdifferent | 3-12 | 2-6 | 4-12 | 5-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Root cause notes, Countermeasures | Planning Levels Map, Cadence Model, Planning Artifact Inventory | Execution Loop, Review Cadence, Strategic Learning Log |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Root causeIncidentLeanProblem solving | CadenceGovernanceExecution | ExecutionCadenceLearningGovernance |