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System Hierarchy - Systems Modeling Simulation Lab. KAIST

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Common WBS Errors (2/3)<br />

Error 2: Inappropriate branches<br />

• The WBS has branch points that are not consistent with how<br />

the WBS elements will be integrated.<br />

• Inappropriate to separate hardware and software as if they are<br />

separate systems to be integrated at the system level.<br />

• This makes it difficult to assign accountability for integration<br />

and to identify the costs of integrating and testing components<br />

of a system.<br />

Distributed<br />

Information<br />

<strong>System</strong><br />

Software<br />

Hardware<br />

Space <strong>System</strong>s Engineering: <strong>System</strong> <strong>Hierarchy</strong> Module 27

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