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| Criterion |  Architecture Architecture Decision Record |  Architecture arc42 |  Agile Specification by Example |
|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 15-45 min | 1-2 Tage | 60-90 min pro Feature |
Participantsdifferent | 1-3 | 1-4 | 3-6 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Architecture Document, Context View, Runtime View, Deployment View | Example Table, Acceptance Tests |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureDocumentationCommunication | AgileRequirementsExamplesBehavior-Driven Development |
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