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| Criterion |  Architecture Architecture Decision Record |  Domain Modeling EventStorming |  Business Strategy GAP Analysis |  Knowledge Modeling Event Modeling |
|---|---|---|---|---|
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. | 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. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 15-45 min | 2-8 h | 1-3 h | 2-6 h |
Participantsdifferent | 1-3 | 5-12 | 2-8 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Gap Matrix, Action Plan, Risk Notes | Event Model, UI Flow, Commands, Read Models |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | Domain-Driven DesignEventsDiscoveryWorkshop | StrategyAnalysisPlanning | EventsBlueprintDomain-Driven DesignBehavior |