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| Criterion |  Engineering Failure Scenario Analysis |  Architecture C4 Model |  Operations Failure Mode and Effects Analysis |  Operations Scatter Diagram |
|---|---|---|---|---|
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 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 1-3 h | 1-4 h | 2-6 h | 30-90 min |
Participantsdifferent | 3-8 | 1-5 | 3-10 | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Context Diagram, Container Diagram, Component Diagram | FMEA Table, Risk Priority, Mitigation Actions | Scatter Plot, Korrelationsnotiz, Hypothesenliste |
Tagsno overlap | FailureResilienceRisk | ArchitectureCommunicationVisualization | RiskQualityOperationsRoot cause | Root causeQualityVisualization |