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Selected:Fault IsolationRequest for CommentsARID (Active Reviews for Intermediate Designs)Architecture Decision Record
| Criterion |  Engineering Fault Isolation |  Architecture Request for Comments |  Architecture ARID (Active Reviews for Intermediate Designs) |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-180 min | 1-3 Wochen vom Draft bis zur Entscheidung | 2–4 h review as a planning range; preparation and evaluation additional | 15-45 min |
Participantsdifferent | 1-6 | 3-20 Reviewer | Designers, developers as users, and facilitation | 1-3 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | ADR File, Decision Log, Rationale |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ArchitectureDecisionAsyncGovernance | ArchitectureEngineeringFeedbackValidationTasks | ArchitectureRationaleDocumentationGovernance |