Measure and Manage Flow v2

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My talk about measuring and managing flow at Ericsson Hungary

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Measure and Manage Flow v2

  1. 1. Measure and Manage Flow in Practice by Zsolt Fabók November 2, 2011http://zsoltfabok.com & http://digitalnatives.hu @ZsoltFabok
  2. 2. Hey boss, are we there yet?Sure,we’re almost there!
  3. 3. Do somethingDo it differently next time??? lead time Might learn something from it May get some feedback
  4. 4. 3 1 2Queue Development Verification Live Deployment Ongoing Done Ongoing Done cycle time lead time
  5. 5. New 3 5 2 Done Queue 1 3 7 Live ... lead time
  6. 6. ≈shorter lead times ≈ faster feedback faster feedback ≈ better product
  7. 7. ≈Shortening means: • I measure • I know the tendency • I have an idea how to do it • I actually do it • I measure again • I check on the progress
  8. 8. ≈Shortening means: • I measure • I know the tendency • I have an idea how to do it • I actually do it • I measure again • I check on the progress This is CONTINUOUS IMPROVEMENT!
  9. 9. Subjective dashboardswon’t help much image source: http://dashboard.virginiadot.org/
  10. 10. 40 32Number of Items 24 16 8 0 1 2 3 4 5 6 7 8 Iterations Done In Progress Queued CFD is better, but too complicated at first
  11. 11. 40 32Number of Items 24 lead time 16 8 0 1 2 3 4 5 6 7 8 Iterations Done In Progress Queued CFD is better, but too complicated at first
  12. 12. 40 32Number of Items 24 lead time 16 8 cycle time 0 1 2 3 4 5 6 7 8 Iterations Done In Progress Queued CFD is better, but too complicated at first
  13. 13. 40 32Number of Items 24 lead time WIP 16 8 cycle time 0 1 2 3 4 5 6 7 8 Iterations Done In Progress Queued CFD is better, but too complicated at first
  14. 14. 40 new items 32Number of Items 24 lead time WIP 16 8 cycle time 0 1 2 3 4 5 6 7 8 Iterations Done In Progress Queued CFD is better, but too complicated at first
  15. 15. We need a KISS (Keep It Small and Simple) image source: http://bit.ly/t5YKtv
  16. 16. Now we are talking: individual lead times in iteration 5 average lead times per iteration* 20 8 lead time in days 15 6 lead time in days 10 4 5 2 0 1 5 6 7 8 9 10 2 3 0 1 2 3 4 4 5 work items, # iterations *an iteration is 5 days long
  17. 17. Where did the time go?
  18. 18. waiting working 1 2iteration 3 4 5 0% 25% 50% 75% 100% waiting/working ratio The work items are waiting a lot!
  19. 19. How did I measure it?
  20. 20. 3 1 2Queue Development Verification Live Deployment Ongoing Done Ongoing Done waiting working
  21. 21. spent time
  22. 22. spent timeSLA, WTF?
  23. 23. We are using SLA for planning
  24. 24. Another example: we changed here number of items moved back1512 9 6 3 0 1 2 3 4 5 6 7 8 iterations
  25. 25. One more example, just for fun :-) ‘M’ sized items on weekdays number of items average lead time7 135 104 72 30 0 Monday Wednesday Friday Monday Wednesday Friday
  26. 26. We don’t use it, but worth mentioning: work in progress * cycle time = (lead time) capacity (throughput)Our “ideal” WIP Limit would be: 8 * 1 = 8 * Little’s Law
  27. 27. Something not related to Kanban: satisfaction index54310-1-3-4 1 2 3 4 5 product owner team
  28. 28. Thank you very much for your attention!http://zsoltfabok.com @ZsoltFabok
  29. 29. The last page: • The SLA idea comes from Angel Medina: • http://www.proyectalis.com/en/blog/ • The presented data is courtesy of Digital Natives: • http://digitalnatives.hu

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