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| Criterion |  DevOps Incident Timeline Analysis |  DevOps Blameless Postmortem |  Facilitation Stakeholder Mapping |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | When an initiative depends on many people, interests, and power dynamics, Stakeholder Mapping systematically orders the environment. It shows who influences, who is affected, and where relationship management or safeguarding matters first. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 60-180 min | 30-90 min | 60–90 min | 15-45 min |
Participantsdifferent | 3-10 | 3-12 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Postmortem Doc, Action Items, Timeline | Stakeholder Map, Engagement Plan, Risk Notes | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | Site Reliability EngineeringIncidentLearningReliability | StakeholdersAlignmentFacilitationChange | ComparisonFacilitationAlignment |