![]() Both SDLCs and DFSS are used to develop products so, on a conceptual level, they are fundamentally similar and can potentially be merged into a single framework or organizational standard. SDLCs include many different forms such as iterative, waterfall, agile, and RUP (rational unified process), all consisting of phases and tasks, each with associated tools and deliverables. ![]() Instead, they offer a disciplined, role-based approach to improving efficiency and customer satisfaction by removing typical errors, misapplication of existing tools and mismatches in requirements and features. ![]() The roadmaps are not a replacement for good design practices. Specific tools and deliverables are associated with each of the phases in each roadmap with the DFSS methodology fitting naturally inside most software development processes. The second roadmap, DMAIC, uses Define, Measure, Analyze, Improve and Control phases to improve existing products and processes. The first of these, Design for Six Sigma (DFSS), is used to develop new products and processes through the DMADV approach, which includes Define, Measure, Analyze, Design and Verify phases. Six Sigma includes two complementary roadmaps. Roadmaps and Software Development Life Cycles (SDLC) A number of issues and alternatives arise when this need is addressed. Many software organizations are beginning to use Six Sigma, and are finding that they need to rationalize its relationship to the standard software development life cycle process.
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