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| Criterion |  Architecture arc42 |  Architecture C4 Model |  Agile Start Stop Continue |  Agile Starfish Retrospective |
|---|---|---|---|---|
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. | 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 a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-2 Tage | 1-4 h | 30-60 min | 45-90 min |
Participantsdifferent | 1-4 | 1-5 | 3-12 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram | Start Stop Continue Board, Improvement Actions | Starfish Board, Practice Changes, Experiments |
Tagsno overlap | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization | RetrospectiveImprovementTeamReflection | RetrospectiveImprovementExperimentsTeam |