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| Criterion |  DevOps Blameless Postmortem |  DevOps ChatOps |  Facilitation Team Charter |  Team Design Team Topologies Interaction Modes |
|---|---|---|---|---|
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. | 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 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. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-90 min | Ongoing | 2-4 h | Half day |
Participantsdifferent | 3-12 | 2-20 | 3-12 | Team-Leads plus Architecture |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Chat Transcript, Action Log, Automations | Team Charter, Working Norms, Role Notes | Interaction Heat Map, Agreements per Pair |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | CollaborationEngineeringIncident | TeamAlignmentCollaboration | TeamAlignmentCollaborationOrganization |