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| Criterion |  Operations Change Analysis |  Business Strategy GAP 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. | GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing. | 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 | Medium | Low |
Timedifferent | 45-120 min | 1-3 h | 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 | Gap Matrix, Action Plan, Risk Notes | ADR File, Decision Log, Rationale |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | StrategyAnalysisPlanning | ArchitectureRationaleDocumentationGovernance |
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