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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  DevOps Game Day |  DevOps Incident Command |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | 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. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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. | 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. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | Halber Tag | As needed | 30-90 min |
Participantsdifferent | Designers, developers as users, and facilitation | 5-20 | 4-15 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Simulation Notes, Gaps List, Updated Runbooks | Incident Log, Action Tracker, Stakeholder Updates | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | ResilienceOperationsIncident | IncidentOperationsReliability | Site Reliability EngineeringIncidentLearningReliability |