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| Criterion |  Decision Making Constraint Analysis |  Architecture arc42 |  Delivery Communication Plan |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | 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. | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-90 min | 1-2 Tage | 45-90 min | 15-45 min |
Participantsdifferent | 2-8 | 1-4 | 2-6 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Architecture Document, Context View, Runtime View, Deployment View | Communication Plan, Channel Matrix, Message Cadence | ADR File, Decision Log, Rationale |
Tagsno overlap | ConstraintsDecisionPlanningOptions | ArchitectureDocumentationCommunication | CommunicationStakeholdersDeliveryPlanning | ArchitectureRationaleDocumentationGovernance |