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Constraint Requirements… • Constraints limit your design options • Cost • Schedule • Size, weight, power • ilities (e.g., reliability, etc)

• Peak arrival rates • Trade off criteria • Capture constraints in the Requirement entity class • Capture Constraint Requirements using Requirements of Type “Constraint”

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Performance Requirements

• Performance requirements and objectives • How well the system must perform • How fast the system must operate • Capture performance objectives using Requirements of Type “Performance”

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