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Selected:ARID (Active Reviews for Intermediate Designs)Incident Timeline AnalysisAssumption Surfacing
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  DevOps Incident Timeline Analysis |  Decision Making Assumption Surfacing |
|---|---|---|---|
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. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 60-180 min | 45-90 min |
Participantsdifferent | Designers, developers as users, and facilitation | 3-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | IncidentTimelineSite Reliability Engineering | AssumptionsRiskDecisionDiscovery |
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