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| Criterion |  Operations Change Analysis |  Decision Making Constraint Analysis |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | 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 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. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 45-120 min | 30-90 min | 15-45 min |
Participantsdifferent | 2-6 | 2-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | ADR File, Decision Log, Rationale |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | ConstraintsDecisionPlanningOptions | ArchitectureRationaleDocumentationGovernance |
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