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| Criterion |  DevOps Blameless Postmortem |  Team Design Team Topologies Interaction Modes |  Team Design Spotify Model Mapping |  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 several teams collaborate repeatedly, it describes the right interaction mode for each interface between them. It clarifies responsibility, interaction, and load between teams. The result is captured as an interaction heat map and pairwise agreements. | When a team landscape has grown without clear grouping, it maps roles and relationships onto the Spotify model. It clarifies responsibility, interaction, and load between teams. The result is captured as a Spotify model map and action list. | 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 | Medium |
Timedifferent | 30-90 min | Half day | 90-180 min | Ongoing |
Participantsdifferent | 3-12 | Team-Leads plus Architecture | 5-15 | 2-20 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Interaction Heat Map, Agreements per Pair | Spotify Model Map, Action List | Chat Transcript, Action Log, Automations |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | TeamAlignmentCollaborationOrganization | TeamOrganizationAlignmentDiagnosis | CollaborationEngineeringIncident |