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| Criterion |  DevOps ChatOps |  Decision Making Pre-Mortem |  Engineering Failure Scenario Analysis |  DevOps Game Day |
|---|---|---|---|---|
Purposedifferent | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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 | Low | Medium | High |
Timedifferent | Ongoing | 20–45 min | 1-3 h | Halber Tag |
Participantsdifferent | 2-20 | Small cross-functional group | 3-8 | 5-20 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Chat Transcript, Action Log, Automations | Risk list, Mitigation plan, Assumption log | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | CollaborationEngineeringIncident | RiskDecisionFailurePlanning | FailureResilienceRisk | ResilienceOperationsIncident |