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| Criterion |  Architecture Architecture Decision Record |  Product Strategy Impact Mapping |  Domain Modeling EventStorming |
|---|---|---|---|
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. | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-45 min | 45-90 min | 2-8 h |
Participantsdifferent | 1-3 | 3-8 | 5-12 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Impact Map, Outcome Hypotheses, Delivery Options | Event Timeline, Ubiquitous Language, Boundaries, Open Questions |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | OutcomesStrategyBehaviorPlanning | Domain-Driven DesignEventsDiscoveryWorkshop |
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