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| Criterion |  Architecture arc42 |  Operations Family Tree Analysis |  Architecture Architecture Decision Record |
|---|---|---|---|
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. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 1-2 Tage | 2-4 h | 15-45 min |
Participantsdifferent | 1-4 | 2-6 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Family Tree Diagram, Pattern Notes, Systemic Measures | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDocumentationCommunication | Root causePatternsIncidentSystemic | ArchitectureRationaleDocumentationGovernance |
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