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| Criterion |  Facilitation Troika Consulting |  Operations Barrier Analysis |  DevOps Blameless Postmortem |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When someone needs to sort out a concrete work problem, Troika Consulting offers fast peer consulting with a tight focus. The method brings perspectives together without taking responsibility out of the person's hands. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-45 min | 2-4 h | 30-90 min | 15-30 min |
Participantsdifferent | 3-30 | 2-6 | 3-12 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Advice Notes, Next Actions, Peer Insights | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Postmortem Doc, Action Items, Timeline | Root cause notes, Countermeasures |
Tagsno overlap | FacilitationCoachingLearning | Root causeSafetyIncident | Site Reliability EngineeringIncidentLearningReliability | Root causeIncidentLeanProblem solving |