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| Criterion |  Innovation Lean Startup |  Decision Making DACI |  Architecture Request for Comments |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | 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 | Low | Medium | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-60 min | 1-3 Wochen vom Draft bis zur Entscheidung | 15-45 min |
Participantsdifferent | 2-8 | 2-10 | 3-20 Reviewer | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | DACI Matrix, Decision Owner, Decision Log | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | ADR File, Decision Log, Rationale |
Tagsno overlap | LeanStartupValidationMVP | DecisionRolesGovernanceAlignment | ArchitectureDecisionAsyncGovernance | ArchitectureRationaleDocumentationGovernance |