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| Criterion |  Systems Thinking Stock and Flow Diagram |  DevOps Incident Command |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | A Stock and Flow Diagram shows how stocks, inflows, and outflows shape a system over time. It is especially suited when growth, delays, or capacity limits determine the dynamics. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 2-6 h | As needed | 30-90 min |
Participantsdifferent | 1-6 | 4-15 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Stock and Flow Model, Dynamics Notes, Simulation Hypotheses | Incident Log, Action Tracker, Stakeholder Updates | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | DynamicsSimulationFeedbackSystems thinking | IncidentOperationsReliability | Site Reliability EngineeringIncidentLearningReliability |
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