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| Criterion |  DevOps ChatOps |  Architecture Risk Storming |  DevOps Blameless Postmortem |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | Ongoing | 60-90 min | 30-90 min | 45-60 min |
Participantsdifferent | 2-20 | 4-12 | 3-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Chat Transcript, Action Log, Automations | Annotated Diagram, Prioritized Risk List, Action Backlog | Postmortem Doc, Action Items, Timeline | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | CollaborationEngineeringIncident | RiskArchitectureWorkshopValidation | Site Reliability EngineeringIncidentLearningReliability | AssumptionsRiskExperimentsValidation |