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| Criterion |  Product Discovery Working Backwards |  Architecture Request for Comments |  Decision Making RAPID |  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 complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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 | 45-90 min | 1-2 h |
Participantsdifferent | 2-6 | 3-20 Reviewer | 3-12 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | RAPID Role Map, Recommendation, Decision Log | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | VisionNarrativeAlignment | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernance | AlignmentArchitectureCanvas |