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| Criterion |  Product Discovery Working Backwards |  Architecture Request for Comments |  Decision Making Decision Rights Mapping |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 4-8 h, mehrere Iterationen | 1-3 Wochen vom Draft bis zur Entscheidung | 90-180 min | 15-45 min |
Participantsdifferent | 2-6 | 3-20 Reviewer | 4-12 | 1-3 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Rights Matrix, Agreement | ADR File, Decision Log, Rationale |
Tagsno overlap | VisionNarrativeAlignment | ArchitectureDecisionAsyncGovernance | DecisionGovernanceAlignmentResponsibility | ArchitectureRationaleDocumentationGovernance |