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| Criterion |  Architecture Architecture Decision Record |  Domain Modeling EventStorming |  Domain Modeling Bounded Context Canvas |
|---|---|---|---|
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 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. | When a business context is still loosely outlined, it shapes language, responsibility, and integration space. It clarifies what belongs together and where a boundary needs to hold. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-45 min | 2-8 h | 1-3 h |
Participantsdifferent | 1-3 | 5-12 | 3-8 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Context Canvas, Glossary, Integration Notes |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | Domain-Driven DesignEventsDiscoveryWorkshop | Domain-Driven DesignBoundariesModeling |
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