eBook - ePub
Software Methodologies
A Quantitative Guide
Capers Jones
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- English
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eBook - ePub
Software Methodologies
A Quantitative Guide
Capers Jones
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About This Book
This comprehensive reference uses a formal and standard evaluation technique to show the strengths and weakness of more than 60 software development methodologies such as agile, DevOps, RUP, Waterfall, TSP, XP and many more. Each methodology is applied to an application of 1000 function points using the Java language. Each methodology produces a characteristic set of results for development schedules, productivity, costs, and quality. The intent of the book is to show readers the optimum kinds of methodologies for the projects they are concerned with and to warn them about counter indications and possible harm from unsuitable methodologies.
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Chapter 1
Overview of 60 Software Development Methodologies
Executive summary: Software has developed 60 different methodologies due in part to sociological reasons and in part to bad metrics and measurement practices which prevent accurate measurements of methodology productivity and quality.
Sociological factors are the primary reason why software has over 25 size metrics, 60 methodologies, and over 3000 programming languages. The existence of so many variations is proof that none are fully adequate for all sizes and types of software. Truly effective general-purpose methodologies or programming languages would become standards practices, and none are good enough for this to happen as of 2017.
No matter what software development methodology is selected, all software projects have certain common features and common tasks that must be performed. The following section lists 20 essential activities that are part of all 60 methodologies discussed in this book.
Essential Activities for All 60 Software Development Methodologies
1.Cost and schedule estimates must be created.
2.Quality and risk estimates must be created.
3.User requirements must be studied and documented.
4.Government mandates such as Federal Aviation Administration (FAA) or Food and Drug Administration (FDA) approval must be planned.
5.For large applications, a formal architecture may be needed.
6.Software designs must be created for features and interfaces.
7.Software code must be developed or reusable code acquired.
8.Software code...