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Selected:Blameless PostmortemRisk StormingARID (Active Reviews for Intermediate Designs)Incident Command
| Criterion |  DevOps Blameless Postmortem |  Architecture Risk Storming |  Architecture ARID (Active Reviews for Intermediate Designs) |  DevOps Incident Command |
|---|---|---|---|---|
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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 30-90 min | 60-90 min | 2–4 h review as a planning range; preparation and evaluation additional | As needed |
Participantsdifferent | 3-12 | 4-12 | Designers, developers as users, and facilitation | 4-15 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Annotated Diagram, Prioritized Risk List, Action Backlog | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | RiskArchitectureWorkshopValidation | ArchitectureEngineeringFeedbackValidationTasks | IncidentOperationsReliability |