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| Criterion |  Business Strategy GAP Analysis |  Architecture C4 Model |  Operations Change Analysis |
|---|---|---|---|
Purposedifferent | 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. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-3 h | 1-4 h | 45-120 min |
Participantsdifferent | 2-8 | 1-5 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Gap Matrix, Action Plan, Risk Notes | Context Diagram, Container Diagram, Component Diagram | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | StrategyAnalysisPlanning | ArchitectureCommunicationVisualization | ChangeRoot causeTroubleshootingComparison |
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