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| Criterion |  Product Strategy Product Canvas |  Architecture arc42 |  Architecture Request for Comments |
|---|---|---|---|
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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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 |
Timedifferent | 1-2 h | 1-2 Tage | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 2-8 | 1-4 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Architecture Document, Context View, Runtime View, Deployment View | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | CanvasDiscoveryScope | ArchitectureDocumentationCommunication | ArchitectureDecisionAsyncGovernance |
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