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| Criterion |  DevOps Incident Timeline Analysis |  Facilitation Expectation Mapping |  Operations 5 Whys |
|---|---|---|---|
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. | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 60-180 min | 45-90 min | 15-30 min |
Participantsdifferent | 3-10 | 3-12 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Expectation Map, Alignment Notes, Agreements | Root cause notes, Countermeasures |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | AlignmentStakeholdersTeam | Root causeIncidentLeanProblem solving |
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