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Selected:Hypothesis-Driven TroubleshootingCommunication PlanATAM (Architecture Tradeoff Analysis Method)Architecture Communication Canvas
| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Delivery Communication Plan |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | 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. | 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 | Medium | Low | High | Medium |
Timedifferent | 30-240 min | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 60-120 min |
Participantsdifferent | 1-6 | 2-6 | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Communication Plan, Channel Matrix, Message Cadence | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | CommunicationStakeholdersDeliveryPlanning | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureCommunicationStakeholdersCanvas |