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| Criterion |  Architecture Architecture Decision Record |  Decision Making Constraint 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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 | Low | Medium | Medium |
Timedifferent | 15-45 min | 30-90 min | 60-180 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-3 | 2-8 | 4-20 | 3-20 Reviewer |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | ADR File, Decision Log, Rationale | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Cynefin Map, Domain-specific Actions, Sensemaking Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ConstraintsDecisionPlanningOptions | ComplexitySensemakingDecision | ArchitectureDecisionAsyncGovernance |