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Selected:Double DiamondRAID LogATAM (Architecture Tradeoff Analysis Method)Architecture Decision Record
| Criterion |  Innovation Double Diamond |  Delivery RAID Log |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | Wochen bis Monate | 30 min Setup, dann laufend | Several meetings plus preparation and analysis; total effort depends on scope | 15-45 min |
Participantsdifferent | 3-12 | 1-3 maintaining, briefing for everyone | Evaluation team, architects, and relevant stakeholders | 1-3 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | 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 | ADR File, Decision Log, Rationale |
Tagsno overlap | ProcessDivergenceInnovation | RiskTrackingStakeholdersGovernance | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureRationaleDocumentationGovernance |