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| Criterion |  Architecture Architecture Decision Record |  Product Discovery Opportunity Interview |  Domain Modeling EventStorming |  Architecture arc42 |
|---|---|---|---|---|
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 opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 15-45 min | 30-60 min je Interview | 2-8 h | 1-2 Tage |
Participantsdifferent | 1-3 | 5-12 Interviews | 5-12 | 1-4 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Interview Notes, Opportunity Themes, Customer Quotes | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | DiscoveryInterviewsOpportunityCustomer | Domain-Driven DesignEventsDiscoveryWorkshop | ArchitectureDocumentationCommunication |