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Selected:Lean CanvasATAM (Architecture Tradeoff Analysis Method)Architecture Decision RecordRAID Log
| Criterion |  Product Strategy Lean Canvas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Architecture Decision Record |  Delivery RAID Log |
|---|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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. | 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 15-45 min | 30 min Setup, dann laufend |
Participantsdifferent | 1-6 | Evaluation team, architects, and relevant stakeholders | 1-3 | 1-3 maintaining, briefing for everyone |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | ADR File, Decision Log, Rationale | RAID Log, Status Report Source |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureRationaleDocumentationGovernance | RiskTrackingStakeholdersGovernance |