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| Criterion |  DevOps Incident Timeline Analysis |  Innovation TRIZ |  Operations Causal Factor Analysis |  Operations Root Cause 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. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 60-180 min | 1-4 h | 2-6 h | 1-4 h |
Participantsdifferent | 3-10 | 2-8 | 3-10 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Contradiction Statement, Inventive Principles, Solution Concepts | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | InnovationProblem solvingContradictionsCreativity | CausalityIncidentRoot causeTimeline | Root causeProblem solvingQualityIncident |