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| Criterion |  Product Strategy Lean Canvas |  Architecture Request for Comments |  Decision Making RAPID |  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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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 | 45-90 min | 15-45 min |
Participantsdifferent | 1-6 | 3-20 Reviewer | 3-12 | 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 | RAPID Role Map, Recommendation, Decision Log | ADR File, Decision Log, Rationale |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernance | ArchitectureRationaleDocumentationGovernance |