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| Criterion |  DevOps Blameless Postmortem |  Domain Modeling Context Map |  Engineering Goal Question Metric |  Product Strategy Counter Metrics |
|---|---|---|---|---|
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. | When several contexts need to talk to each other, it makes their relationships and dependencies legible. It helps sort integration pressure and responsibilities across system boundaries. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-3 h | 90-180 min | 30-60 min |
Participantsdifferent | 3-12 | 2-8 | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Context Map, Integration Patterns, Boundary Notes | GQM Table, Metric Profiles | Counter Metric List, Guardrail Definitions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Domain-Driven DesignBoundariesStrategy | MetricsMeasurementEngineeringAlignment | MetricsMeasurementStrategyExperiments |