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Selected:Incident Timeline AnalysisCausal Factor AnalysisArchitecture Decision RecordBarrier Analysis
| Criterion |  DevOps Incident Timeline Analysis |  Operations Causal Factor Analysis |  Architecture Architecture Decision Record |  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. | 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. | 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. | 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 | High | Low | Medium |
Timedifferent | 60-180 min | 2-6 h | 15-45 min | 2-4 h |
Participantsdifferent | 3-10 | 3-10 | 1-3 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | ADR File, Decision Log, Rationale | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | CausalityIncidentRoot causeTimeline | ArchitectureRationaleDocumentationGovernance | Root causeSafetyIncident |