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| Criterion |  Architecture Architecture Decision Record |  Innovation Brainstorming |  Architecture arc42 |
|---|---|---|---|
Purposedifferent | 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. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 15-45 min | 30-60 min | 1-2 Tage |
Participantsdifferent | 1-3 | 4-12 | 1-4 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Idea pool, Theme clusters, Shortlist | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | BrainstormingIdeationCreativityWorkshopDivergence | ArchitectureDocumentationCommunication |
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