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Allocation Implications

• Moves the design

• From abstract to concrete • From logical to top-level physical • Creates basis for interface design • Precipitates consideration of physical implications: • Physical limitations (e.g., weight, size, heat) • Resource constraints • Failure detection and recovery • Manufacturability • Maintainability

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Define System Architecture (Next Level Decomposition) • Define the physical elements (e.g., subsystems or “objects”) of the system. • Define the hierarchy of the system.

– Behavior decompositions  suggest component  architectures, and – Component architectures 

suggest behavior  decompositions.

Create two subsystems: ‐ Command Center  ‐ Workstation

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