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| Criterion |  Systems Thinking Future Reality Tree |  DevOps Incident Timeline Analysis |  DevOps Incident Command |  DevOps Game Day |
|---|---|---|---|---|
Purposedifferent | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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. | 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. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. |
Complexitydifferent | High | Medium | Medium | High |
Timedifferent | 2-4 h | 60-180 min | As needed | Halber Tag |
Participantsdifferent | 3-8 | 3-10 | 4-15 | 5-20 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Incident Log, Action Tracker, Stakeholder Updates | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | IncidentTimelineSite Reliability Engineering | IncidentOperationsReliability | ResilienceOperationsIncident |