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| Criterion |  Decision Making Constraint Analysis |  Architecture Architecture Decision Record |  Product Strategy ICE Scoring |  Architecture arc42 |
|---|---|---|---|---|
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 ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-90 min | 15-45 min | 30-60 min | 1-2 Tage |
Participantsdifferent | 2-8 | 1-3 | 2-8 | 1-4 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | ADR File, Decision Log, Rationale | ICE Table, Top Idea List | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ConstraintsDecisionPlanningOptions | ArchitectureRationaleDocumentationGovernance | PrioritizationScoringGrowthDecision | ArchitectureDocumentationCommunication |