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| Criterion |  DevOps Blameless Postmortem |  Operations RACI Matrix |  Decision Making Decision Rights 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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-90 min | 45-90 min | 90-180 min |
Participantsdifferent | 3-12 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | RACI Matrix, Responsibility Map, Decision Notes | Decision Rights Matrix, Agreement |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | RolesResponsibilityGovernanceOperations | DecisionGovernanceAlignmentResponsibility |
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