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| Criterion |  Engineering Failure Scenario Analysis |  DevOps Incident Timeline Analysis |  DevOps Incident Command |  Operations Causal Factor Analysis |
|---|---|---|---|---|
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. | 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. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 1-3 h | 60-180 min | As needed | 2-6 h |
Participantsdifferent | 3-8 | 3-10 | 4-15 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Incident Log, Action Tracker, Stakeholder Updates | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | FailureResilienceRisk | IncidentTimelineSite Reliability Engineering | IncidentOperationsReliability | CausalityIncidentRoot causeTimeline |