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| Criterion |  Architecture Request for Comments |  Operations Causal Factor Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|
Purposedifferent | 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 an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | High | High |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 2-6 h | 2-6 h |
Participantsdifferent | 3-20 Reviewer | 3-10 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | CausalityIncidentRoot causeTimeline | Systems thinkingRoot causeConstraintsCausality |
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