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| Criterion |  Decision Making Assumption Surfacing |  Architecture Request for Comments |  Decision Making DACI |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 45-90 min | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min | 1-2 h |
Participantsdifferent | 2-8 | 3-20 Reviewer | 2-10 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | DACI Matrix, Decision Owner, Decision Log | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernanceAlignment | AlignmentArchitectureCanvas |