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| Criterion |  Decision Making Constraint Analysis |  Architecture Request for Comments |  Architecture ARID (Active Reviews for Intermediate Designs) |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-3 Wochen vom Draft bis zur Entscheidung | 2–4 h review as a planning range; preparation and evaluation additional | 30-60 min |
Participantsdifferent | 2-8 | 3-20 Reviewer | Designers, developers as users, and facilitation | 2-10 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | 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 | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ConstraintsDecisionPlanningOptions | ArchitectureDecisionAsyncGovernance | ArchitectureEngineeringFeedbackValidationTasks | DecisionRolesGovernanceAlignment |