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| Criterion |  DevOps Incident Timeline Analysis |  Operations MORT Analysis |  DevOps Blameless Postmortem |  Operations Barrier 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 a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 60-180 min | Mehrere Tage bis Wochen | 30-90 min | 2-4 h |
Participantsdifferent | 3-10 | 2-6 | 3-12 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Postmortem Doc, Action Items, Timeline | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tags1 shared | IncidentTimelineSite Reliability Engineering | Root causeSafetySystemicIncident | Site Reliability EngineeringIncidentLearningReliability | Root causeSafetyIncident |