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Selected:Blameless PostmortemTeam Topologies Interaction Modes4Ls RetrospectiveSpotify Model Mapping
| Criterion |  DevOps Blameless Postmortem |  Team Design Team Topologies Interaction Modes |  Agile 4Ls Retrospective |  Team Design Spotify Model 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. | 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 sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 30-90 min | Half day | 45–75 min | 90-180 min |
Participantsdifferent | 3-12 | Team-Leads plus Architecture | Team members involved | 5-15 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Interaction Heat Map, Agreements per Pair | 4Ls Board, Learning Themes, Improvement Actions | Spotify Model Map, Action List |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | TeamAlignmentCollaborationOrganization | RetrospectiveLearningReflectionTeam | TeamOrganizationAlignmentDiagnosis |