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| Criterion |  Product Strategy Lean Canvas |  Architecture Request for Comments |  Innovation Lean Startup |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | 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. | 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. | 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 | Medium | Low |
Timedifferent | 45-90 min | 1-3 Wochen vom Draft bis zur Entscheidung | Wochen bis Monate je Lernzyklus | 15-45 min |
Participantsdifferent | 1-6 | 3-20 Reviewer | 2-8 | 1-3 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | ADR File, Decision Log, Rationale |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ArchitectureDecisionAsyncGovernance | LeanStartupValidationMVP | ArchitectureRationaleDocumentationGovernance |