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Selected:Decision MatrixATAM (Architecture Tradeoff Analysis Method)Red TeamingArchitecture Communication Canvas
| Criterion |  Decision Making Decision Matrix |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Red Teaming |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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. | For strategic decisions with high reach, agreement and gut feeling are often not enough. Red teaming brings deliberate opposition into the situation and tests where a plan breaks under real counterarguments. | 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 | High | High | Medium |
Timedifferent | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-4 h | 60-120 min |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Decision Matrix, Scoring Rationale, Selected Option | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Challenge Findings, Risk Register, Mitigation Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | ArchitectureQualityRiskTradeoffsStakeholders | RiskDecisionSensemaking | ArchitectureCommunicationStakeholdersCanvas |