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Sizing epics tales from an agile kingdom

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Sizing epics tales from an agile kingdom

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Sizing epics tales from an agile kingdom

  1. 1. Sizing Epics Tales from an agile kingdom
  2. 2. The Agile Kingdom The Quest The Happy Ending?
  3. 3. The Agile Kingdom
  4. 4. The Agile Kingdom
  5. 5. Once upon a time… The Agile Kingdom Product Owner Vision of Ice and Fire Vision Requirements User Stories
  6. 6. The whole kingdom…sizes user stories The Agile Kingdom 0 1/2 1 2 3 5 8 13 20 40 100 ? Product Backlog 1 3 3 2 3 5 Big user story Big user story Small USSmall US Small US Scrum Team smallsmall sml
  7. 7. Years went by… The Agile Kingdom Pricing model Price / story points 0 1/2 1 2 3 5 8 13 20 40 100 ? equals
  8. 8. Years went by… The Agile Kingdom
  9. 9. Years went by… Business owners Product Owner Scrum Team The Agile Kingdom ?
  10. 10. The Quest
  11. 11. The brave knights…challenges The Quest ‘We need to compare in order to size and we don’t have enough epics to compare to’ 0 1/2 1 2 3 5 8 13 20 40 100 ? ‘They come in different shapes and formats – some more rich in content than others’ ‘We can’t spend too much time deep-diving’ ‘Not a flexible scale in Planning Poker’
  12. 12. The brave knights…challenges The Quest ‘Proportion of Uncertainty is bigger in epics than in user stories’ Epics Volume Complexity Uncertainty User stories Volume Complexity Uncertainty
  13. 13. The brave knights…recipes The Quest Blue Recipe 1. Take epics 2. Do planning poker 3, 5, 3, 2, 8, 13 3. Multiply by scale (10) 30, 50, 30, 20, 80, 130 4. Do one Epic (breakdown and implement) 30 -> 25 5. Adjust size for everything else 25, 42, 25, 17, 67, 108 Green Recipe 1. Take epics 2. Choose one epic and breakdown into user stories 3. Size the user stories and sum it up 1, 3, 5, 8, 13 = 30 SP 4. Divide by scale and make it Reference Epic ÷ 10 -> 3 5. Do Planning Poker 3, 5, 2, 3, 8, 1 6. Multiply by scale 30, 50, 20, 30, 80, 10
  14. 14. The brave knights…meet the king The Quest ?
  15. 15. And the epics considered… The Quest The Dragon ‘As a king I want to have a dragon so that I could win battles and conquer cities.’ The Dire wolf ‘As a king I want to have a dire wolf so that I can protect myself against the enemies.’ The Wall ‘As a king I want to have the Wall so that it will protect the kingdom against the White Walkers.’
  16. 16. Questions set The Quest 1. User new data capturing? A: Yes/No 2. UI changes to existing screens? A: Yes/No 3. Integration with third parties? A: Yes/No 4. Data migration? A: Yes/No 5. Does it affect internal processes? A: Yes/No 6. Change the database structure? A: Yes/No 7. Is it a re-usable configurable component? A: Yes/No 8. Specific behavior for transactions? A: Yes/No 9. Special performance considerations? A: Yes/No 10.Does it affect common functionality? A: Yes/No 11. Any product specific variations? A: Yes/No
  17. 17. The gathering…sizing epics The Quest The Dragon Benchmark 5 points The Dire Wolf The Wall Size 5 points by comparison to The Dragon Struggle 13 or 20 points by comparison to The Dragon There is a problem!! Too BIG for the scale!!
  18. 18. The gathering… The Quest Inspect The previous scale and benchmark were too small and needed adjustment Adapt The Wall 20 pointsRe-benchmark The Dragon 8 pointsResize The Dire Wolf still 5 pointsResize Therefore the new scale and benchmark
  19. 19. The happy ending?
  20. 20. Turn it into story points… The happy ending? Blue Recipe  1. Take epics  2. Do planning poker 3. Multiply by scale What scale? What is the multiplier? ? 4. Do one Epic (breakdown and implement) 5. Adjust size for everything else No time Inspect
  21. 21. Turn it into story points… The happy ending? Existing backlog epic – The Three-eyed crow “As a king I want to have a three-eyed crow so that I can have power over nature and prophetic visions.” The Three-eyed crow Size Trying to introduce Uncertainty Adapt 3. Choose an epic from the backlog already broken down into recently sized user stories and on the same scale
  22. 22. Final estimates… The happy ending? The Three-eyed crow = 5 epic points The Three-eyed crow in the backlog 30 Story points multiplier of 6 The Dire Wolf = 5 epic points ~ 30 Story points The Dragon = 8 epic points ~ 48 Story points The Wall = 20 epic points ~ 120 Story points ~
  23. 23. In the end… Business owners Product Owner Scrum Team The Happy Ending?   visibility better release planning
  24. 24. And they continued to live happily… …well…not ever after because each day came with a new quest for the brave knights in their so called shinning armors.
  25. 25. The End. Signed…a Knight in so called shinning armor.
  26. 26. balounge.ro

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