
272 ◾ COSMIC Function Points: Theory and Advanced Practices
© 2011 by Taylor & Francis Group, LLC
between business and technical requirements. e quality function deployment
method generates that linear mapping between business requirements and techni-
cal requirements.
e Six Sigma approach gives interesting new insights into old problems.
Combining quality function deployment with FPA and FFP addresses both kind
of problems usually encountered when developing software: the late deliveries (B
defects) and the wrong functionalities (A defects). FPA is better in business, and
FFP in technical requirements. e key for success is always meas