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| Criterion |  Architecture C4 Model |  Architecture arc42 |  Operations MORT Analysis |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | 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. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 1-4 h | 1-2 Tage | Mehrere Tage bis Wochen | 60-120 min |
Participantsdifferent | 1-5 | 1-4 | 2-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication | Root causeSafetySystemicIncident | ArchitectureCommunicationStakeholdersCanvas |