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| Criterion |  Business Strategy GAP Analysis |  Architecture arc42 |  Business Strategy Value Chain Analysis |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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 | High | Low |
Timedifferent | 1-3 h | 1-2 Tage | Half day | 15-45 min |
Participantsdifferent | 2-8 | 1-4 | 3-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Gap Matrix, Action Plan, Risk Notes | Architecture Document, Context View, Runtime View, Deployment View | Value Chain Map, Lever List | ADR File, Decision Log, Rationale |
Tagsno overlap | StrategyAnalysisPlanning | ArchitectureDocumentationCommunication | StrategyBusiness modelDiagnosisAnalysis | ArchitectureRationaleDocumentationGovernance |