Managing Software Debt: Building for Inevitable Change

Managing Software Debt: Building for Inevitable Change, 9780321554130 (0321554132), Addison Wesley, 2010

Shipping imperfect software is like going into debt. When you incur debt, the illusion of doing things faster can lead to exponential growth in the cost of maintaining software. Software debt takes five major forms: technical, quality, configuration management, design, and platform experience. In today’s rush to market, software debt is inevitable. And that’s okay—if you’re careful about the debt you incur, and if you quickly pay it back.

In Managing Software Debt, leading Agile expert Chris Sterling shows how understanding software debt can help you move products to market faster, with a realistic plan for refactoring them based on experience. Writing for all Agile software professionals, Sterling explains why you’re going into software debt whether you know it or not—and why the interest on that debt can bring projects to a standstill. Next, he thoroughly explains each form of software debt, showing how to plan for it intelligently and repay it successfully. You’ll learn why accepting software debt is not the same as deliberate sloppiness, and you’ll learn how to use the software debt concept to systematically improve architectural agility. Coverage includes

Managing tensions between speed and perfection and recognizing that you’ll inevitably ship some “not quite right” code
Planning to minimize interest payments by paying debts quickly
Building architectures that respond to change and help enterprises run more smoothly
Incorporating emergent architecture concepts into daily activities, using Agile collaboration and refactoring techniques
Delivering code and other software internals that reduce the friction of future change
Using early, automated testing to move past the “break/fix” mentality
Scripting and streamlining both deployment and rollback
Implementing team configuration patterns and knowledge sharing approaches that make software debt easier to repay
Clearing away technical impediments in existing architectures
Using the YAGNI (“you ain’t gonna need it”) approach to strip away unnecessary complexity

Using this book’s techniques, senior software leadership can deliver more business value; managers can organize and support development teams more effectively; and teams and team members can improve their performance throughout the development lifecycle.

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