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| Criterion |  DevOps Blameless Postmortem |  Business Strategy Strategic, Tactical and Operational Planning |  DevOps Game Day |
|---|---|---|---|
Purposedifferent | 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. | It places decisions and artifacts at the right level. Strategic planning clarifies direction, tactical planning translates it into programs, and operational planning steers concrete processes. | 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 | Medium | Medium | High |
Timedifferent | 30-90 min | 90-180 min | Halber Tag |
Participantsdifferent | 3-12 | 4-12 | 5-20 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Planning Levels Map, Cadence Model, Planning Artifact Inventory | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | CadenceGovernanceExecution | ResilienceOperationsIncident |
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