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| Criterion |  Product Discovery Working Backwards |  Architecture Request for Comments |  Decision Making Decision Rights Mapping |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | 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 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. | 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 | Medium | Medium | Medium | Low |
Timedifferent | 4-8 h, mehrere Iterationen | 1-3 Wochen vom Draft bis zur Entscheidung | 90-180 min | 1-2 h |
Participantsdifferent | 2-6 | 3-20 Reviewer | 4-12 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Rights Matrix, Agreement | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | VisionNarrativeAlignment | ArchitectureDecisionAsyncGovernance | DecisionGovernanceAlignmentResponsibility | AlignmentArchitectureCanvas |