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Selected:Architecture Inception CanvasAssumption SurfacingDecision Rights MappingRequest for Comments
| Criterion |  Architecture Architecture Inception Canvas |  Decision Making Assumption Surfacing |  Decision Making Decision Rights Mapping |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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 | Medium | Medium |
Timedifferent | 1-2 h | 45-90 min | 90-180 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 3-8 | 2-8 | 4-12 | 3-20 Reviewer |
Formatdifferent | Workshop | Workshop + async | Workshop | Async |
Outputdifferent | Inception Canvas, Risks, Goal List, Open Questions | Assumption List, Critical Assumptions, Learning Plan | Decision Rights Matrix, Agreement | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | AlignmentArchitectureCanvas | AssumptionsRiskDecisionDiscovery | DecisionGovernanceAlignmentResponsibility | ArchitectureDecisionAsyncGovernance |