Umbrella: A New Component-Based Software Development Model

In the present Information Technology era, software research community has lot of pressure to reduce development cost as well as development time. Therefore large number software is being developed by using third party component. The traditional software life cycle model provides a systematic method to separate the different phases with efficient boundaries. A number of software life cycle models existing today primarily focused on building of traditional software systems. The exact nature of the relationships between traditional software life cycle models and life cycle models that incorporate the different phase imposed by Component Based Software Engineering are needed. Hence, Component Based Software Engineering raises questions about whether existing software engineering life cycle approaches are appropriate in this emerging field. Therefore a life cycle model which incorporate testing or verification as a continuous process is being proposed. In this paper we examine the various software life cycle models. We argue that testing phase in life cycle model not only overlaps but also cut across the various developments phase stages. We are proposing a software life cycle model for component based software development from the conventional models known as a Umbrella life cycle model.