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| Criterion |  DevOps Blameless Postmortem |  Architecture Views and Beyond |  Operations A3 Problem Solving |  Operations Runbook |
|---|---|---|---|---|
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. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-3 Tage | 45-90 min | 20-60 min |
Participantsdifferent | 3-12 | 1-4 | 2-5 | 1-4 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Architecture Views, Cross-view Notes, Rationale | A3 Report, Action Plan, Root Cause Analysis | Runbook, Checklist, Escalation Path |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | DocumentationStakeholdersArchitecture | LeanProblem solvingCoachingOperations | OperationsReliabilityDocumentation |