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| Criterion |  Architecture C4 Model |  Agile Three Amigos |  Agile Acceptance Criteria Workshop |
|---|---|---|---|
Purposedifferent | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. | When a story needs clear checkpoints before implementation, it sharpens expectation and scope together. It sorts work by value, risk, and delivery ability. The result is captured as Acceptance Criteria and a Story Update. |
Complexitysame | Low | Low | Low |
Timedifferent | 1-4 h | 15-30 min | 20-40 min pro Story |
Participantsdifferent | 1-5 | 3 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Clarified Story, Test Examples, Open Questions | Acceptance Criteria, Story Update |
Tagsno overlap | ArchitectureCommunicationVisualization | CollaborationBehavior-Driven DevelopmentQualityRefinement | AgileRequirementsRefinementBehavior-Driven Development |
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