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| Criterion |  Product Strategy Product Canvas |  Architecture Request for Comments |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | When product goal and feature scope don't yet fit cleanly together, it creates a shared working picture. It connects need, core features, and assumptions into a solid starting point. | 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. | 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 | Low |
Timedifferent | 1-2 h | 1-3 Wochen vom Draft bis zur Entscheidung | 15-45 min |
Participantsdifferent | 2-8 | 3-20 Reviewer | 1-3 |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | ADR File, Decision Log, Rationale |
Tagsno overlap | CanvasDiscoveryScope | ArchitectureDecisionAsyncGovernance | ArchitectureRationaleDocumentationGovernance |
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