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| Criterion |  Architecture Request for Comments |  Architecture Software Architecture Canvas |  Architecture Architecture Inception Canvas |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 1-2 h | 1-2 h | 30-60 min |
Participantsdifferent | 3-20 Reviewer | 3-10 | 3-8 | 2-10 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Architecture Canvas, Goals, Constraints, Quality Attributes | Inception Canvas, Risks, Goal List, Open Questions | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | CanvasArchitectureAlignmentWorkshop | AlignmentArchitectureCanvas | DecisionRolesGovernanceAlignment |