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| Criterion |  Decision Making Constraint Analysis |  Architecture Software Architecture Canvas |  Decision Making Pre-Mortem |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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 Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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 | Low | Low | Low | Medium |
Timedifferent | 30-90 min | 1-2 h | 20–45 min | 60-120 min |
Participantsdifferent | 2-8 | 3-10 | Small cross-functional group | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Architecture Canvas, Goals, Constraints, Quality Attributes | Risk list, Mitigation plan, Assumption log | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ConstraintsDecisionPlanningOptions | CanvasArchitectureAlignmentWorkshop | RiskDecisionFailurePlanning | ArchitectureCommunicationStakeholdersCanvas |