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| Criterion |  Architecture arc42 |  Operations Causal Factor Analysis |  DevOps Incident Timeline Analysis |
|---|---|---|---|
Purposedifferent | 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 an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 1-2 Tage | 2-6 h | 60-180 min |
Participantsdifferent | 1-4 | 3-10 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions |
Tagsno overlap | ArchitectureDocumentationCommunication | CausalityIncidentRoot causeTimeline | IncidentTimelineSite Reliability Engineering |
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