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| Criterion |  DevOps Incident Timeline Analysis |  Architecture C4 Model |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 60-180 min | 1-4 h | 2-4 h |
Participantsdifferent | 3-10 | 1-5 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Context Diagram, Container Diagram, Component Diagram | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | ArchitectureCommunicationVisualization | Root causeSafetyIncident |
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