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| Criterion |  DevOps Blameless Postmortem |  Innovation TRIZ |  Operations Causal Factor Analysis |  DevOps Incident Timeline 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 technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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. | 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. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 30-90 min | 1-4 h | 2-6 h | 60-180 min |
Participantsdifferent | 3-12 | 2-8 | 3-10 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Contradiction Statement, Inventive Principles, Solution Concepts | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | InnovationProblem solvingContradictionsCreativity | CausalityIncidentRoot causeTimeline | IncidentTimelineSite Reliability Engineering |