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| Criterion |  Product Discovery Working Backwards |  Architecture Request for Comments |  Architecture Software Architecture 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. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 4-8 h, mehrere Iterationen | 1-3 Wochen vom Draft bis zur Entscheidung | 1-2 h |
Participantsdifferent | 2-6 | 3-20 Reviewer | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | VisionNarrativeAlignment | ArchitectureDecisionAsyncGovernance | CanvasArchitectureAlignmentWorkshop |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
