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| Criterion |  DevOps ChatOps |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Change Analysis |  Operations Causal Factor Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | Ongoing | 2–4 h review as a planning range; preparation and evaluation additional | 45-120 min | 2-6 h |
Participantsdifferent | 2-20 | Designers, developers as users, and facilitation | 2-6 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Chat Transcript, Action Log, Automations | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | CollaborationEngineeringIncident | ArchitectureEngineeringFeedbackValidationTasks | ChangeRoot causeTroubleshootingComparison | CausalityIncidentRoot causeTimeline |