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| Criterion |  DevOps ChatOps |  Operations Failure Mode and Effects Analysis |  Operations Gemba Walk |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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 | Low | Medium |
Timedifferent | Ongoing | 2-6 h | 30-120 min | 1-4 h |
Participantsdifferent | 2-20 | 3-10 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Chat Transcript, Action Log, Automations | FMEA Table, Risk Priority, Mitigation Actions | Observation Notes, Improvement Ideas | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | CollaborationEngineeringIncident | RiskQualityOperationsRoot cause | LeanObservationProcessOperations | Root causeProblem solvingQualityIncident |