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| Criterion |  Operations A3 Problem Solving |  Architecture arc42 |  Business Strategy Strategy Execution Loop |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 45-90 min | 1-2 Tage | Initial 3-6 h, then monthly or quarterly reviews | 20-45 min |
Participantsdifferent | 2-5 | 1-4 | 5-12 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Architecture Document, Context View, Runtime View, Deployment View | Execution Loop, Review Cadence, Strategic Learning Log | Lessons learned, Action items, Event summary |
Tagsno overlap | LeanProblem solvingCoachingOperations | ArchitectureDocumentationCommunication | ExecutionCadenceLearningGovernance | LearningOperationsImprovement |