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| Criterion |  Innovation Double Diamond |  Facilitation Storytelling |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | When an insight needs to have an effect, storytelling translates dry facts into a comprehensible development. It combines context, tension, and consequence into a form that people remember and pass on more easily. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | Wochen bis Monate | 45-120 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-2 Tage |
Participantsdifferent | 3-12 | 1-6 | Evaluation team, architects, and relevant stakeholders | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Narrative Outline, Key Message, Story Arc | 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 |
Tagsno overlap | ProcessDivergenceInnovation | CommunicationNarrativeStakeholdersFacilitation | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureDocumentationCommunication |