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| Criterion |  Systems Thinking CATWOE Analysis |  Knowledge Modeling IBIS |  Architecture Request for Comments |
|---|---|---|---|
Purposedifferent | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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 |
Timedifferent | 45-90 min | 1-3 h | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 3-8 | 2-8 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Issue Map, Positions, Argument Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | Systems thinkingFramingStakeholders | RationaleKnowledgeDecision | ArchitectureDecisionAsyncGovernance |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
