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| Criterion |  DevOps Blameless Postmortem |  Team Design Spotify Model Mapping |  DevOps ChatOps |  Facilitation Expectation 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 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. | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-90 min | 90-180 min | Ongoing | 45-90 min |
Participantsdifferent | 3-12 | 5-15 | 2-20 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Spotify Model Map, Action List | Chat Transcript, Action Log, Automations | Expectation Map, Alignment Notes, Agreements |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | TeamOrganizationAlignmentDiagnosis | CollaborationEngineeringIncident | AlignmentStakeholdersTeam |