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| Criterion |  Engineering Failure Scenario Analysis |  Architecture C4 Model |  Delivery RAID Log |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-3 h | 1-4 h | 30 min Setup, dann laufend | 15-45 min |
Participantsdifferent | 3-8 | 1-5 | 1-3 maintaining, briefing for everyone | 1-3 |
Formatdifferent | Workshop | Workshop + async | Async | Async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Context Diagram, Container Diagram, Component Diagram | RAID Log, Status Report Source | ADR File, Decision Log, Rationale |
Tagsno overlap | FailureResilienceRisk | ArchitectureCommunicationVisualization | RiskTrackingStakeholdersGovernance | ArchitectureRationaleDocumentationGovernance |