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Selected:Communication PlanChange AnalysisArchitecture Communication CanvasATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Delivery Communication Plan |  Operations Change Analysis |  Architecture Architecture Communication Canvas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 45-90 min | 45-120 min | 60-120 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-6 | 2-6 | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | ChangeRoot causeTroubleshootingComparison | ArchitectureCommunicationStakeholdersCanvas | ArchitectureQualityRiskTradeoffsStakeholders |