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| Criterion |  Innovation Double Diamond |  DevOps Blameless Postmortem |  DevOps Incident Command |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. | 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. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | Wochen bis Monate | 30-90 min | As needed | 30-120 min |
Participantsdifferent | 3-12 | 3-12 | 4-15 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Postmortem Doc, Action Items, Timeline | Incident Log, Action Tracker, Stakeholder Updates | Observation Notes, Improvement Ideas |
Tagsno overlap | ProcessDivergenceInnovation | Site Reliability EngineeringIncidentLearningReliability | IncidentOperationsReliability | LeanObservationProcessOperations |