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| Criterion |  Systems Thinking Soft Systems Methodology |  Decision Making RAPID |  Architecture Architecture Decision Record |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | Soft Systems Methodology helps explore unclear or politically charged problems systematically. Instead of forcing a quick answer, the method builds a shared understanding of perspectives and room for action. | 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. | 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 | High | Medium | Low | Medium |
Timedifferent | 0.5-3 Tage | 45-90 min | 15-45 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 5-15 | 3-12 | 1-3 | 3-20 Reviewer |
Formatdifferent | Workshop | Workshop + async | Async | Async |
Outputdifferent | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | RAPID Role Map, Recommendation, Decision Log | ADR File, Decision Log, Rationale | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | Soft systemsComplexitySensemakingSystems thinking | DecisionRolesGovernance | ArchitectureRationaleDocumentationGovernance | ArchitectureDecisionAsyncGovernance |