Xkanban: XP, Kanban and timeboxing
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Company expirience on using eXtreme Programming, a Kanban board and timeboxing
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Xkanban: XP, Kanban and timeboxing
- 1. #phpday XKanban XP, Kanban and timeboxing martedì 17 maggio 2011
- 2. Who am I ? #phpday Web developer @ideato 3 years of “serious” php ( +2 of playing around) martedì 17 maggio 2011
- 3. XP Values Communication #phpday Respect Simplicity Courage Feedback http://www.extremeprogramming.org/ martedì 17 maggio 2011
- 4. XP Values Communication #phpday Respect Simplicity Courage Feedback http://www.extremeprogramming.org/ martedì 17 maggio 2011
- 5. XP Values Communication #phpday Respect Simplicity Courage Feedback http://www.extremeprogramming.org/ martedì 17 maggio 2011
- 6. XP Values Communication #phpday Respect Simplicity Courage Feedback http://www.extremeprogramming.org/ martedì 17 maggio 2011
- 7. XP Values Communication #phpday Respect Simplicity Courage Feedback http://www.extremeprogramming.org/ martedì 17 maggio 2011
- 8. XP Values Communication #phpday Respect Simplicity Courage Feedback http://www.extremeprogramming.org/ martedì 17 maggio 2011
- 9. XP Principles Humanity Accepted responsibility Economics Baby steps Mutual benefit #phpday Quality Flow Failure Opportunity Reflection Redundancy Diversity Self similarity Improvement http://www.extremeprogramming.org/ http://martinfowler.com/bliki/PrinciplesOfXP.html martedì 17 maggio 2011
- 10. XP Principles #phpday Humanity What people need to be good developers? Safety, Accomplishment, Belonging, Growth, Understand and be understood martedì 17 maggio 2011
- 11. XP Principles #phpday Economics Does your work produce value? (for you and your customer) martedì 17 maggio 2011
- 12. XP Principles #phpday Mutual benefit Every activity should benefit all people involved martedì 17 maggio 2011
- 13. XP Principles #phpday Flow Delivering a steady flow of valuable software Biased towards a continuous flow of activities martedì 17 maggio 2011
- 14. XP Principles #phpday Opportunity Learn to see problems as opportunities for change martedì 17 maggio 2011
- 15. XP Principles #phpday Redundancy The critical problems should be solved in several different ways martedì 17 maggio 2011
- 16. XP Principles #phpday Self similarity Copy the structure of one solution into a new context, even at different scales martedì 17 maggio 2011
- 17. XP Principles #phpday Improvement Get an activity started right away but refine the results over time martedì 17 maggio 2011
- 18. XP Principles #phpday Diversity Variety of skills, attitudes, and perspectives to see problems and pitfalls, to think of multiple ways to solve problems martedì 17 maggio 2011
- 19. XP Principles #phpday Reflection Think about how and why you are working Analyze why you succeed or fail No one stumbles into excellence martedì 17 maggio 2011
- 20. XP Principles #phpday Failure If you're having trouble succeeding, fail “Don't know which of three ways to implement a story? Try it all three ways. Even if they all fail, you'll learn something valuable” Kent Back martedì 17 maggio 2011
- 21. XP Principles #phpday Quality Pushing quality higher often results in faster delivery A concern for quality is no excuse for inaction martedì 17 maggio 2011
- 22. XP Principles #phpday Baby steps "What's the least you could do that is recognizably in the right direction?" Kent Back martedì 17 maggio 2011
- 23. XP Principles #phpday Accepted responsibility Responsibility cannot be assigned; it can only be accepted With responsibility comes authority martedì 17 maggio 2011
- 24. Where were we? 2 Main Stream Projects Customers #phpday Requests 2 Developers user stories emergencies tasks + bugs http://www.flickr.com/photos/kainet/288519656/ 1/2 Developers The Emergency Ward Management projects and clients “assistance” long term planning 1 Developer http://www.flickr.com/photos/st3f4n/2489961263/ martedì 17 maggio 2011
- 25. Problems: knowledge Spread of knowledge on projects Humanity #phpday #phpday Accepted responsibility Economics Baby steps Mutual benefit Quality Flow Failure Opportunity Reflection Redundancy Diversity Self-similarity Improvement martedì 17 maggio 2011
- 26. Problems: workflow(s) Main stream (iterations) VS Emergency ward (bug, small tasks, emergencies) Humanity Economics #phpday Accepted responsibility Baby steps Mutual benefit Quality Flow Failure Opportunity Reflection Redundancy Diversity Self-similarity Improvement martedì 17 maggio 2011
- 27. Problems: Effort “When can we do this?”: planning, resources, negotiation Humanity #phpday #phpday Accepted responsibility Economics Baby steps Mutual benefit Quality Flow Failure Opportunity Reflection Redundancy Diversity Self-similarity Improvement martedì 17 maggio 2011
- 28. Problems: who does what? Fixed team(s) on project(s) Humanity #phpday #phpday Accepted responsibility Economics Baby steps Mutual benefit Quality Flow Failure Opportunity Reflection Redundancy Diversity Self-similarity Improvement martedì 17 maggio 2011
- 29. Problems: planning Weekly iteration planning: what about emergencies and small requests? Humanity #phpday #phpday Accepted responsibility Economics Baby steps Mutual benefit Quality Flow Failure Opportunity Reflection Redundancy Diversity Self-similarity Improvement martedì 17 maggio 2011
- 30. Problems: performance How much work can you do in a week? How do you measure it? Humanity #phpday #phpday Accepted responsibility Economics Baby steps Mutual benefit Quality Flow Failure Opportunity Reflection Redundancy Diversity Self-similarity Improvement martedì 17 maggio 2011
- 31. Lighting your process #phpday Timeboxing Kanban Bring our problems to light! Still using xp values and principles! martedì 17 maggio 2011
- 32. Timeboxing Principles: humanity, economics, self-similarity, improvement, failure #phpday martedì 17 maggio 2011
- 33. Kanban Principles: opportunity, failure, reflection, flow, economics, mutual benefit #phpday martedì 17 maggio 2011
- 34. Bring your problems to light! #phpday Lead time: how long it takes to release value! Activities wait too long/Bugs discovered in QA process Too much work in progress Bottlenecks Non-standard workflow: why it is not in kanban? martedì 17 maggio 2011
- 35. Still using XP values and principles #phpday Accepted responsibility Humanity Economics Mutual benefit #phpday Baby steps Quality Flow Failure Opportunity Reflection Redundancy Diversity Self-similarity Improvement martedì 17 maggio 2011
- 36. Still using XP values and principles Accepted responsibility Economics #phpday Failure Quality #phpday Reflection Knowledge: Diversity Kanban = first in, first out Improvement Pair programming Self-similarity Mutual benefit Flow Opportunity Reundancy martedì 17 maggio 2011
- 37. Still using XP values and principles Accepted responsibility Economics #phpday Failure Quality Workflow(s): #phpday Reflection Kanban board, and limits on its Diversity columns Improvement Every development activity is Self-similarity on the kanban board: user Mutual benefit stories, tasks, bugs, ... Flow Opportunity Reundancy martedì 17 maggio 2011
- 38. Still using XP values and principles Accepted responsibility Economics #phpday Failure Effort on projects: Quality #phpday Reflection “Continuous negotiation” based on Diversity weekly “work in progress” metrics Improvement Short release Self-similarity Daily re-arrangement of Mutual benefit kanban activities Flow Opportunity Reundancy martedì 17 maggio 2011
- 39. Still using XP values and principles Accepted responsibility Economics #phpday Failure Quality #phpday Who does what? Reflection Diversity Everyone does everithing! Improvement Kanban = first in, first out Self-similarity Pair programming Mutual benefit Flow Opportunity Reundancy martedì 17 maggio 2011
- 40. Still using XP values and principles Accepted responsibility Economics #phpday Failure #phpday Quality Planning: Reflection Continuous planning Diversity Improvement At the end of each user story Self-similarity the customer can rearrange Mutual benefit the activities of his project Flow Opportunity Reundancy martedì 17 maggio 2011
- 41. Still using XP values and principles Accepted responsibility Economics #phpday Failure Quality #phpday Performance: Reflection Diversity “Work in progress” per week Improvement Metrics for planning Self-similarity “Continuous planning” with our Mutual benefit customers Flow Opportunity Reundancy martedì 17 maggio 2011
- 42. References #phpday http://www.poppendieck.com/ #phpday Kanban and Scrum - making the most of both http://goo.gl/RnTjw http://en.wikipedia.org/wiki/Kanban martedì 17 maggio 2011
- 43. Questions? #phpday Joind.in : http://joind.in/2993 #phpday Filippo De Santis fd@ideato.it twitter: @filippodesantis martedì 17 maggio 2011