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| Criterion |  DevOps Blameless Postmortem |  Facilitation Team Charter |  DevOps ChatOps |
|---|---|---|---|
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 a team is starting fresh or working past each other, Team Charter clarifies the shared working basis. It visibly sets out how collaboration, decision paths, and mutual conduct should work day to day. | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-90 min | 2-4 h | Ongoing |
Participantsdifferent | 3-12 | 3-12 | 2-20 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Team Charter, Working Norms, Role Notes | Chat Transcript, Action Log, Automations |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | TeamAlignmentCollaboration | CollaborationEngineeringIncident |
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