Information Technology Reference
In-Depth Information
CHAPTER 11
SOFTWARE DESIGN FOR SIX SIGMA
(DFSS) PROJECT ROAD MAP
11.1
INTRODUCTION
This chapter is written primarily to present the software Design for Six Sigma (DFSS)
project road map to support the software Black Belt and his or her team and the
functional champion in the project execution mode of deployment. The design project
is the core of the DFSS deployment and has to be executed consistently using a road
map that lays out the DFSS principles, tools, and methods within an adopted gated
design process (Chapter 8). From a high-level perspective, this road map provides the
immediate details required for a smooth and successful DFSS deployment experience.
The chart presented in Figure 11.1 depicts the road map proposed. The road map
objective is to develop Six Sigma software-solution entities with an unprecedented
level of fulfillment of customer wants, needs, and delights throughout its life cycle
(Section 7.4).
The software DFSS road map has four phases Identify, Conceptualize, Optimize,
and Verify and Validate, denoted ICOV in seven developmental stages. Stages are
separated by milestones called the
tollgates
(TGs). Coupled with design principles
and tools, the objective of this chapter is to mold all that in a comprehensive im-
plementable sequence in a manner that enables deployment companies to achieve
systematically desired benefits from executing projects. In Figure 11.1, a
design
stage
constitutes a collection of design activities and can be bounded by entrance
and exit tollgates. A TG represents a milestone in the software design cycle and has
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