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| Criterion |  Architecture Architecture Decision Record |  Architecture arc42 |  Agile Starfish Retrospective |
|---|---|---|---|
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. | 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. | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. |
Complexitysame | Low | Low | Low |
Timedifferent | 15-45 min | 1-2 Tage | 45-90 min |
Participantsdifferent | 1-3 | 1-4 | 4-12 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Architecture Document, Context View, Runtime View, Deployment View | Starfish Board, Practice Changes, Experiments |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureDocumentationCommunication | RetrospectiveImprovementExperimentsTeam |
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