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| Criterion |  DevOps Blameless Postmortem |  Architecture Architecture Decision Record |  Facilitation Stakeholder Mapping |
|---|---|---|---|
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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | When an initiative depends on many people, interests, and power dynamics, Stakeholder Mapping systematically orders the environment. It shows who influences, who is affected, and where relationship management or safeguarding matters first. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-90 min | 15-45 min | 60–90 min |
Participantsdifferent | 3-12 | 1-3 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | ADR File, Decision Log, Rationale | Stakeholder Map, Engagement Plan, Risk Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ArchitectureRationaleDocumentationGovernance | StakeholdersAlignmentFacilitationChange |
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