What is the difference between Scrum and XP (eXtreme Programming)?
It depends on what you understand under XP. Most people unfortunately are familiar only with the engineering aspects of XP: test-driven development, refactoring, pair programming, continuous integration, simple designs (YAGNI principle). But XP doesn’t end and is not limited to these aspects. Indeed, it is an integrated process that covers all aspects on software development: from requirements management to testing, from release to sprint planning to task estimations. All of the practices support each other and make the whole thing work. More on the XP practices you can find for example here: Ron Jeffries’ blog. To sum up: XP is an independent agile process that can be applied in all areas of the project. Now about Scrum. In contrast to XP with its strong accent on engineering practices, Scrum is a simple framework rather a process which provides guidelines but leaves the choice of concrete practices such as requirements management, engineering techniques up to the team. Does it mean a
