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| Criterion |  Knowledge Modeling IBIS |  Architecture Architecture Decision Record |  Domain Modeling Bounded Context Canvas |  Domain Modeling Context Map |
|---|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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 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. | When several contexts need to talk to each other, it makes their relationships and dependencies legible. It helps sort integration pressure and responsibilities across system boundaries. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-3 h | 15-45 min | 1-3 h | 1-3 h |
Participantsdifferent | 2-8 | 1-3 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | ADR File, Decision Log, Rationale | Context Canvas, Glossary, Integration Notes | Context Map, Integration Patterns, Boundary Notes |
Tagsno overlap | RationaleKnowledgeDecision | ArchitectureRationaleDocumentationGovernance | Domain-Driven DesignBoundariesModeling | Domain-Driven DesignBoundariesStrategy |