The method includes five disciplines: requirements, analysis, design, implementation, and testing.
In order to build good quality and compliant systems, it is critical to consider the enforcement of regulations at all development phases including requirements, design, implementation, and testing phases.
In the spiral methodology, a smaller amount of time is initially devoted to the four stages that include research, planning, implementation, and testing, which are followed by several iterations or loops over each.
The Royce's traditional waterfall methodology for software development consists of four stages that include analysis, design, implementation, and testing that vaguely map to the four stages of the methodology.
Barriers to implementation included implementation cost; the time and effort needed to maintain this newer testing; challenges in interpreting genetic variants; establishing the bioinformatics infrastructure; and curating data from medical, ethical, and legal standpoints.
The proposed methodology includes explicit traceability between requirements, design, implementation and test cases.
Implementation and test analyses were performed by CB.
Considered part of a four-step process, costing for public dialogue opportunities included: consultation planning, testing of materials, implementation, and analysis and evaluation [ 46], p. 25.
