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Selected:ARID (Active Reviews for Intermediate Designs)Architecture Decision Record Change Analysis arc42

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Architecture Architecture Decision Record	Operations Change Analysis	Architecture arc42
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.	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.	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.	arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes.
Complexitydifferent	Medium	Low	Medium	Low
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	15-45 min	45-120 min	1-2 Tage
Participantsdifferent	Designers, developers as users, and facilitation	1-3	2-6	1-4
Formatdifferent	Workshop + async	Async	Workshop + async	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	ADR File, Decision Log, Rationale	Change Matrix, Cause Hypotheses, Validation Questions, Action List	Architecture Document, Context View, Runtime View, Deployment View
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	ArchitectureRationaleDocumentationGovernance	ChangeRoot causeTroubleshootingComparison	ArchitectureDocumentationCommunication

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