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| Criterion |  Operations 5 Whys |  Architecture Request for Comments |
|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Low | Medium |
Timedifferent | 15-30 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 2-6 | 3-20 Reviewer |
Formatdifferent | Workshop | Async |
Outputdifferent | Root cause notes, Countermeasures | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | Root causeIncidentLeanProblem solving | ArchitectureDecisionAsyncGovernance |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
