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eXtreme Programming and Open Source engineering paradigm

eXtreme Programming and Open Source engineering paradigm. A comparison sankarshan@softhome.net. Slides and paper to be available at the iLUG-Calcutta website. www.ilug-cal.org. Introduction . Cross organisational and geographical collaboration and co-operative effort

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eXtreme Programming and Open Source engineering paradigm

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  1. eXtreme Programming and Open Source engineering paradigm A comparison sankarshan@softhome.net

  2. Slides and paper to be available at the iLUG-Calcutta website www.ilug-cal.org

  3. Introduction • Cross organisational and geographical collaboration and co-operative effort • Need to implement an “agile” distributed methodology • Comparison of the 2 paradigms with respect to common grounds and conflicts

  4. eXtreme Programming • an “agile” software engineering methodology • defined by Kent Beck in the early ’90s • software “best practices” taken to the eXtreme • rapid response to requirement changes • small to medium sized developer teams

  5. eXtreme Programming Four basic values • Communication • Feedback • Simplicity • Courage

  6. eXtreme “Best Practices” • the planning game • small iterative releases • metaphor • testing • simple design • refactoring

  7. eXtreme “Best Practices” • Pair Programming • Collective ownership • Continuous integration • On-site customer • Coding standards • 40-hour week

  8. OpenSource paradigm • original roots in the hacker culture of the early 1960s • considerable success in projects incl the Linux Kernel, Apache webserver, Mozilla browser etc • Source code is shared

  9. OpenSource paradigm • provides source code that is allowed to be studied, modified and redistributed • enforced by software licensing policy • not a defined ‘standard’ methodology • possesses unique character and values

  10. OpenSource Practices • distributed development model • shared code • small releases • continuous integration • code reuse • coding standards

  11. Areas of overlap

  12. Areas of Conflict

  13. Reflections • Common values: • Communication • Feedback • Simplicity • “The way programmers like to work” • Strong XP and OS communities

  14. References • Kent Beck: ‘eXtreme Programming explained - Embrace change’ISBN: 0201616416 • K Beck, M Fowler: ‘Planning Extreme Programming’ISBN: 0201710919 • E S. Raymond, B Young: ‘The Cathedral and the Bazaar’ISBN: 0596001088 • ‘Open Sources: Voices from the Open Source Revolution’ISBN: 1565925823

  15. XP practices

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