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| Criterion |  DevOps Incident Timeline Analysis |  Decision Making Delphi Method |  Operations Barrier Analysis |  Operations MORT 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. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | 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. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 60-180 min | 1-4 Wochen | 2-4 h | Mehrere Tage bis Wochen |
Participantsdifferent | 3-10 | 6-30 Experten | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Expert Forecast, Consensus Range, Assumption Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | ForecastingExpertsDecisionStrategy | Root causeSafetyIncident | Root causeSafetySystemicIncident |