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| Criterion |  DevOps ChatOps |  Operations Gemba Walk |  Systems Thinking Future Reality Tree |  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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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. | 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 | High | High |
Timedifferent | Ongoing | 30-120 min | 2-4 h | Halber Tag |
Participantsdifferent | 2-20 | 2-6 | 3-8 | 5-20 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Chat Transcript, Action Log, Automations | Observation Notes, Improvement Ideas | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | CollaborationEngineeringIncident | LeanObservationProcessOperations | Theory of ConstraintsSystems thinkingChange | ResilienceOperationsIncident |