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Selected:ATAM (Architecture Tradeoff Analysis Method)Communication PlanArchitecture Decision RecordArchitecture Communication Canvas
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Delivery Communication Plan |  Architecture Architecture Decision Record |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | 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 many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min | 15-45 min | 60-120 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-6 | 1-3 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Communication Plan, Channel Matrix, Message Cadence | ADR File, Decision Log, Rationale | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | CommunicationStakeholdersDeliveryPlanning | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationStakeholdersCanvas |