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Selected:Product CanvasATAM (Architecture Tradeoff Analysis Method)arc42Architecture Decision Record
| Criterion |  Product Strategy Product Canvas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | When product goal and feature scope don't yet fit cleanly together, it creates a shared working picture. It connects need, core features, and assumptions into a solid starting point. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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. | 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 | High | Low | Low |
Timedifferent | 1-2 h | Several meetings plus preparation and analysis; total effort depends on scope | 1-2 Tage | 15-45 min |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | 1-4 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | CanvasDiscoveryScope | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |