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The XP experience in Fst

The XP experience in Fst. Workshop SANE 4-10-2002 Orlando Murru. Fst original motivations. Experiment with SW development methods that promised improvements over RUP, especially in relation to: Size of the project documentation. Code quality. Professional growth of junior staff.

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The XP experience in Fst

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  1. The XP experience in Fst Workshop SANE 4-10-2002 Orlando Murru

  2. Fst original motivations • Experiment with SW development methods that promised improvements over RUP, especially in relation to: • Size of the project documentation. • Code quality. • Professional growth of junior staff. The XP experience in Fst

  3. Our experience with XP • 24 month of eXPerience • Up to 15 people involved • 3 projects completed, 4 projects in progress • Limited external coaching/tutoring The XP experience in Fst

  4. XP introduction in Fst • E-Sign R&D projects: e-business portal using strong signatures, time-stamping etc. • First project: digital signatures components and technologies. XP without planning game (April-June 2001). • Second project: integration of technologies in portal: Full XP (July-October 2001) The XP experience in Fst

  5. XP introduction in Fst (cont.) • CONSIP: January-July 2002, 7 people. Full XP, limited coaching. • Other small projects (2, 3 people) • Present day: 15 people using XP in three distinct e-governments product development projects: e-auctions, certified mail, PKI components. The XP experience in Fst

  6. XP practices current usage ranking The XP experience in Fst

  7. Two different, incompatible models The XP experience in Fst

  8. XP benefits • XP practices give immediate, visible returns to the individual programmer: better quality, enhanced awareness, more participation. • XP makes it easy to add junior members to a team. • XP provides a better model to integrate and put to work experience and seniority, and to keep senior staff’s competences up-to-date • XP provides a very good feed-back on the state of the project The XP experience in Fst

  9. Problems • Management supervision is less effective on a XP team. • Doubts and resistance against XP increased when we moved from • Experienced programmers. • QA people • Inexperienced programmers. • Project managers and team leaders. • Customers and business people. The XP experience in Fst

  10. Problems (cont.) • Requirement prioritization is in contrast with fixed scope contracts. • Not enough exploratory phase. • Programmers’ experience is as important in XP as in any other methodology The XP experience in Fst

  11. XP impacts • XP has been invisible to the external customer • We are not able to assess quantitatively if it was a success in terms of cost. • Success in terms of staff satisfaction, flexibility of the process, validity and timeliness of the deliverables, quality (?) The XP experience in Fst

  12. XP Roadmap • We are looking forward to the next XP projects. We want to achieve: • Better exploration • Better coaching • Better system level testing • Better architecture • Integration in the quality system. The XP experience in Fst

  13. Does XP have a future? • As long as it is considered more of a philosophy than a defined process. The XP experience in Fst

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