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| Criterion |  Architecture Architecture Decision Record |  Product Strategy Impact Mapping |  Architecture arc42 |  Business Strategy GAP Analysis |
|---|---|---|---|---|
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 a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 15-45 min | 45-90 min | 1-2 Tage | 1-3 h |
Participantsdifferent | 1-3 | 3-8 | 1-4 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Impact Map, Outcome Hypotheses, Delivery Options | Architecture Document, Context View, Runtime View, Deployment View | Gap Matrix, Action Plan, Risk Notes |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | OutcomesStrategyBehaviorPlanning | ArchitectureDocumentationCommunication | StrategyAnalysisPlanning |