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| Criterion |  Innovation Rapid Ideation |  Architecture Architecture Decision Record |  Architecture arc42 |  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. | 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 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 5-20 min | 15-45 min | 1-2 Tage | 30-60 min |
Participantsdifferent | 1-20 | 1-3 | 1-4 | 4-12 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Ideenpool, Roh-Shortlist, Cluster | ADR File, Decision Log, Rationale | Architecture Document, Context View, Runtime View, Deployment View | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | BrainstormingIdeationDivergenceSpeed | ArchitectureRationaleDocumentationGovernance | ArchitectureDocumentationCommunication | BrainstormingIdeationCreativityWorkshopDivergence |