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| Criterion |  Product Strategy Lean Canvas |  Decision Making RAPID |  Architecture LASR (Lightweight Approach for Software Reviews) |  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. | 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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 45-90 min | 45-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-6 | 3-12 | 1 or a small team; particularly suitable for 3–4 people | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | RAPID Role Map, Recommendation, Decision Log | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | StartupLeanAssumptionsBusiness model | DecisionRolesGovernance | ArchitectureQualityRiskAssessmentLean | ArchitectureDecisionAsyncGovernance |