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| Criterion |  Product Discovery Working Backwards |  Architecture Software Architecture Canvas |  Decision Making Decision Rights Mapping |  Architecture Request for Comments |
|---|---|---|---|---|
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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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 | Medium | Low | Medium | Medium |
Timedifferent | 4-8 h, mehrere Iterationen | 1-2 h | 90-180 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 2-6 | 3-10 | 4-12 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop | Workshop | Async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Architecture Canvas, Goals, Constraints, Quality Attributes | Decision Rights Matrix, Agreement | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | VisionNarrativeAlignment | CanvasArchitectureAlignmentWorkshop | DecisionGovernanceAlignmentResponsibility | ArchitectureDecisionAsyncGovernance |