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| Criterion |  Agile Three Amigos |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. | 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. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 15-30 min | 1-2 Tage | 15-45 min |
Participantsdifferent | 3 | 1-4 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |
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