Waterfall-ITIL vs Agile-DevOps

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Why DevOps is perfect for Modern IT organizations leveraging Agile and Why Waterfall is perfect for Legacy IT ITIL organizations

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Waterfall-ITIL vs Agile-DevOps

  1. 1. Waterfall-ITIL vs. Agile-DevOpsSimple lessons from Frankenstein and Star Trek By Paul Peissner
  2. 2. Waterfall & Frankenstein
  3. 3. Waterfall has many high-risk & hard-toexplain complexities under the covers
  4. 4. Historically, it has proven to beslow, unreliable & disappointing
  5. 5. And it appears almost miraculous if you can make it work It’s s Alive!
  6. 6. Yes, it is working! But is itrepeatable or sustainable?
  7. 7. Development does not want tolook at it after Ops releases it!
  8. 8. Waterfall-ITIL struggle withChange Management flexibility
  9. 9. “You are my creator, but now I am your master!”
  10. 10. Agile & Tribbles
  11. 11. Agile is so small, cute,cuddly and harmless…
  12. 12. Agile appears so friendly thateveryone wants one today…
  13. 13. But Agile can overwhelm Ops & AssetManagement practices pretty quickly…
  14. 14. And Agile can create newbusiness problems too..
  15. 15. Change CommitteeITIL and Asset Management…always expected Waterfall Apps!- Millions of Code lines Asset- Thousands of contributors- Hundreds of features Developer- Over many years- Big and disruptive!DevOps and Asset Management…always expecting Agile Apps! - 10’s of Code lines - With more Common/Repeatable Services - Infrastructure & Deployment as Code - 5-7 Micro teams - How big is your pizza? How many teams needed? - Code as Asset…Code Reuse as a standard…. - 3-7 Features - Fewer moving parts, more code IP to protect - Over 3-6 weeks - Faster moving process, to grow the business - Small and invisible!
  16. 16. Now let’s talk about DevOps (Agile Dev and Best-practice Ops)
  17. 17. But some Dilbert Advice to consider… before we get started… Waterfall experience DevOps Waterfall Brain.

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