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| Criterion |  Operations Change Analysis |  Architecture C4 Model |  Architecture arc42 |  Architecture Views and Beyond |
|---|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. | 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. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 45-120 min | 1-4 h | 1-2 Tage | 1-3 Tage |
Participantsdifferent | 2-6 | 1-5 | 1-4 | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View | Architecture Views, Cross-view Notes, Rationale |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication | DocumentationStakeholdersArchitecture |