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Selected:ATAM (Architecture Tradeoff Analysis Method)Communication PlanRisk MatrixArchitecture Communication Canvas
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Delivery Communication Plan |  Decision Making Risk Matrix |  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. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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 | 30-60 min | 60-120 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-6 | 3-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + 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 | Risk Matrix, Top Risk List | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | CommunicationStakeholdersDeliveryPlanning | RiskDecisionPrioritizationAssessment | ArchitectureCommunicationStakeholdersCanvas |