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| Criterion |  Engineering Failure Scenario Analysis |  Architecture Architecture Communication Canvas |  Architecture arc42 |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 h | 60-120 min | 1-2 Tage | 1-4 h |
Participantsdifferent | 3-8 | 2-8 | 1-4 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | FailureResilienceRisk | ArchitectureCommunicationStakeholdersCanvas | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization |