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Selected:Constraint AnalysisArchitecture Communication CanvasRoot Cause AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Decision Making Constraint Analysis |  Architecture Architecture Communication Canvas |  Operations Root Cause Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 | 30-90 min | 60-120 min | 1-4 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-8 | 2-8 | 3-8 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action 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 | ConstraintsDecisionPlanningOptions | ArchitectureCommunicationStakeholdersCanvas | Root causeProblem solvingQualityIncident | ArchitectureQualityRiskTradeoffsStakeholders |