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| Criterion |  Decision Making DACI |  Architecture Architecture Decision Record |  Architecture Software Architecture Canvas |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 30-60 min | 15-45 min | 1-2 h | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 2-10 | 1-3 | 3-10 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | ADR File, Decision Log, Rationale | Architecture Canvas, Goals, Constraints, Quality Attributes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | DecisionRolesGovernanceAlignment | ArchitectureRationaleDocumentationGovernance | CanvasArchitectureAlignmentWorkshop | ArchitectureDecisionAsyncGovernance |