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| Criterion |  Operations Process Mapping |  DevOps Blameless Postmortem |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 30-90 min | 2-4 h |
Participantsdifferent | 3-10 | 3-12 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Postmortem Doc, Action Items, Timeline | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ProcessOperationsImprovement | Site Reliability EngineeringIncidentLearningReliability | Root causeSafetyIncident |
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