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| Criterion |  Architecture Architecture Decision Record |  Operations Change Analysis |  Decision Making Cynefin Workshop |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | When problems are unclear, chaotic, or only seemingly familiar, standard recipes fall short. A Cynefin Workshop sorts situations by the nature of their problem and connects them with matching action logic. | 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 | Medium | Medium |
Timedifferent | 15-45 min | 45-120 min | 60-180 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-3 | 2-6 | 4-20 | 3-20 Reviewer |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | ADR File, Decision Log, Rationale | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Cynefin Map, Domain-specific Actions, Sensemaking Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ChangeRoot causeTroubleshootingComparison | ComplexitySensemakingDecision | ArchitectureDecisionAsyncGovernance |