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Selected:Lean StartupArchitecture Decision RecordRAID LogATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Innovation Lean Startup |  Architecture Architecture Decision Record |  Delivery RAID Log |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | 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. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | Wochen bis Monate je Lernzyklus | 15-45 min | 30 min Setup, dann laufend | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-8 | 1-3 | 1-3 maintaining, briefing for everyone | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | ADR File, Decision Log, Rationale | RAID Log, Status Report Source | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | LeanStartupValidationMVP | ArchitectureRationaleDocumentationGovernance | RiskTrackingStakeholdersGovernance | ArchitectureQualityRiskTradeoffsStakeholders |