Chapter 15. Scaling XP

People often ask how XP scales. One hundred people can’t plan their work in detail in a single meeting once a week. One hundred people can work together in a spirit of communication, feedback, simplicity, courage, and respect. Creating and maintaining a community of one hundred is a much different job than creating and maintaining a community of twelve, but it is done all the time.

The number of people on a project is not the only measure of scale for software development. Software development scales along many dimensions:

Image Number of people


Size of the entire organization


Problem complexity

Solution complexity ...

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