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| Criterion |  Architecture arc42 |  Knowledge Modeling Knowledge Mapping |  Knowledge Modeling IBIS |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | 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. | Knowledge Mapping makes knowledge, gaps, and transfer paths visible across a field. It fits when expertise should not just exist but also be findable and transferable. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 1-3 h | 1-3 h | 15-45 min |
Participantsdifferent | 1-4 | 3-12 | 2-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Knowledge Map, Critical Knowledge Areas, Transfer Plan | Issue Map, Positions, Argument Notes | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDocumentationCommunication | KnowledgeMappingRisk | RationaleKnowledgeDecision | ArchitectureRationaleDocumentationGovernance |