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| Criterion |  DevOps Blameless Postmortem |  DevOps Incident Timeline Analysis |  Innovation Contradiction Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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 a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-90 min | 60-180 min | 60-120 min |
Participantsdifferent | 3-12 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | IncidentTimelineSite Reliability Engineering | ContradictionsInnovationProblem solving |
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