velocity to measure project progress Well cover these topics in detail in later

Velocity to measure project progress well cover these

This preview shows page 40 - 42 out of 517 pages.

velocity to measure project progress. We’ll cover these topics in detail in later chapters. Regarding software lifetimes, the Agile software lifecycle is so quick that new versions are available every week or two—with some even releasing every day—so they are not even special events as in the Plan-and-Document models. The assumption is one of basically continuous improvement over its
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lifetime. We mentioned in the prior section that newcomers can find Plan-and-Document processes tedious, but this is not the case for Agile. This perspective is captured by a software engineering instructor’s early review of Agile: Remember when programming was fun? Is this how you got interested in computers in the first place and later in computer science? Is this why many of our majors enter the discipline—because they like to program computers? Well, there may be promising and respectable software development methodologies that are perfectly suited to these kinds of folks . ... [Agile] is fun and effective, because not only do we not bog down the process in mountains of documentation, but also because developers work face-to-face with clients throughout the development process and produce working software early on. Renee McCauley, “Agile Development Methods Poised to Upset Status Quo,” SIGCSE Bulletin, 2001 By de-emphasizing planning, documentation, and contractually binding specifications, the Agile Manifesto ran counter to conventional wisdom of the software engineering intelligentsia, so it was not universally welcomed with open arms ( Cormick 2001 ): [The Agile Manifesto] is yet another attempt to undermine the discipline of software engineering...In the software engineering profession, there are engineers and there are hackers...It seems to me that this is nothing more than an attempt to legitimize hacker behavior...The software engineering profession will change for the better only when customers refuse to pay for software that doesn’t do what they contracted for...Changing the culture from one that encourages the hacker mentality to one that is based on predictable software engineering practices will only help transform software engineering into a respected engineering discipline. Steven Ratkin, “Manifesto Elicits Cynicism,” IEEE Computer, 2001 One pair of critics even published the case against Agile as a 432-page book! ( Stephens and Rosenberg 2003 ) The software engineering research community went on to compare Plan-and-Document lifecycles to the Agile lifecycle in the field and found—to the surprise of some cynics—that Agile could indeed work well, depending on the circumstances. Figure 1.5 shows 10 questions from a popular software engineering textbook ( Sommerville 2010 ) whose answers suggest when to use Agile and when to use Plan-and-Document methods.
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