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| Criterion |  Knowledge Modeling Event Modeling |  Knowledge Modeling IBIS |  Architecture Architecture Decision Record |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 2-6 h | 1-3 h | 15-45 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 2-8 | 2-8 | 1-3 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Issue Map, Positions, Argument Notes | ADR File, Decision Log, Rationale | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | RationaleKnowledgeDecision | ArchitectureRationaleDocumentationGovernance | ArchitectureDecisionAsyncGovernance |