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Selected:Rapid IdeationArchitecture Decision RecordATAM (Architecture Tradeoff Analysis Method)Brainstorming
| Criterion |  Innovation Rapid Ideation |  Architecture Architecture Decision Record |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | 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. | 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. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | Low | Low | High | Low |
Timedifferent | 5-20 min | 15-45 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min |
Participantsdifferent | 1-20 | 1-3 | Evaluation team, architects, and relevant stakeholders | 4-12 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Ideenpool, Roh-Shortlist, Cluster | ADR File, Decision Log, Rationale | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | BrainstormingIdeationDivergenceSpeed | ArchitectureRationaleDocumentationGovernance | ArchitectureQualityRiskTradeoffsStakeholders | BrainstormingIdeationCreativityWorkshopDivergence |