
446 CHAPTER 9 System Design Techniques
enclosures ended up taking longer, pointing out the need to start designing them
earlier.
6. Implement across the product line: After the pilot project, the new methodology
was rolled out across the product lines. This activity required training of person-
nel, documentation of the new standards and procedures, and improvements to
information systems.
7. Measure results and improve: The performance of the new design flow was measured.
The team found that product development time had been reduced from 18–30 months
to 11 months.
9.2 REQUIREMENTS ANALYSIS
Before designing a system, we need to know what we are designing. ...