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| Criterion |  Architecture arc42 |  Business Strategy Strategy Execution Loop |  Operations Root Cause Tree Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 1-2 Tage | Initial 3-6 h, then monthly or quarterly reviews | 1-3 h | 15-30 min |
Participantsdifferent | 1-4 | 5-12 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Execution Loop, Review Cadence, Strategic Learning Log | Cause Tree, Evidence Notes, Countermeasures | Root cause notes, Countermeasures |
Tagsno overlap | ArchitectureDocumentationCommunication | ExecutionCadenceLearningGovernance | Root causeTreeIncidentQuality | Root causeIncidentLeanProblem solving |