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| Criterion |  Product Strategy Lean Canvas |  Architecture Architecture Inception Canvas |  Decision Making DACI |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | 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 | Low | Medium |
Timedifferent | 45-90 min | 1-2 h | 30-60 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-6 | 3-8 | 2-10 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Inception Canvas, Risks, Goal List, Open Questions | DACI Matrix, Decision Owner, Decision Log | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | StartupLeanAssumptionsBusiness model | AlignmentArchitectureCanvas | DecisionRolesGovernanceAlignment | ArchitectureDecisionAsyncGovernance |