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| Criterion |  Agile Specification by Example |  Knowledge Modeling IBIS |  Architecture Architecture Decision Record |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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 | 60-90 min pro Feature | 1-3 h | 15-45 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 3-6 | 2-8 | 1-3 | 3-20 Reviewer |
Formatdifferent | Workshop | Workshop + async | Async | Async |
Outputdifferent | Example Table, Acceptance Tests | Issue Map, Positions, Argument Notes | ADR File, Decision Log, Rationale | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | AgileRequirementsExamplesBehavior-Driven Development | RationaleKnowledgeDecision | ArchitectureRationaleDocumentationGovernance | ArchitectureDecisionAsyncGovernance |