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| Criterion |  Delivery Communication Plan |  DevOps Blameless Postmortem |  Knowledge Modeling Feynman Technique |  DevOps Incident Timeline Analysis |
|---|---|---|---|---|
Purposedifferent | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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. | The Feynman Technique checks understanding by explaining a topic so that it stays easy for others to understand. It makes knowledge gaps visible before they become costly in everyday work. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 45-90 min | 30-90 min | 20-60 min | 60-180 min |
Participantsdifferent | 2-6 | 3-12 | 1 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Postmortem Doc, Action Items, Timeline | Plain-language Explanation, Knowledge Gaps, Study Notes | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | Site Reliability EngineeringIncidentLearningReliability | LearningKnowledgeUnderstanding | IncidentTimelineSite Reliability Engineering |