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| Criterion |  DevOps Incident Timeline Analysis |  Decision Making Pre-Mortem |  Engineering Failure Scenario 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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 60-180 min | 20–45 min | 1-3 h |
Participantsdifferent | 3-10 | Small cross-functional group | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Risk list, Mitigation plan, Assumption log | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | RiskDecisionFailurePlanning | FailureResilienceRisk |
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