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Why is DevOps vital for my company’s business

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London, 12 November 2019
https://www.futurefinancelive.co.uk/
In CIO and CTO conversation you can catch this _DevOps_ term popping up again and again. Should you simply dismiss it like many past fad or worry about another useless hip way of wasting money coming down the line? ... or their is something good about DevOps?
In this talk, I will propose that DevOps has strong ties to Lean manufacturing and the Agile movement, bringing new energy to the transformational process across all industries and the financial sector specifically.

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Why is DevOps vital for my company’s business

  1. 1. Why is DevOps vital for my company’s business? Giulio Vian — DevOps Lead
  2. 2. Agenda Modern world landscape DevOps in current landscape Putting it into practice
  3. 3. Modern world landscape
  4. 4. “Software Is Eating The World” — Marc Andreessen
  5. 5. Remember?
  6. 6. Replaced by portable computers
  7. 7. “Why Every Business is a Software Business” – Watts S. Humphrey Three management principles from 2002
  8. 8. Modern Cars Software in a modern 2016 car is 150 million lines of code 10% of costs for a D-segment, or large, car It grows at a compound annual rate of 11 percent Software enables critical automotive innovations
  9. 9. “Why Every Business is a Software Business” – Watts S. Humphrey Management Principles: 1. Recognize That You Are in the Software Business
  10. 10. “Why Every Business is a Software Business” – Watts S. Humphrey Management Principles: 1. Recognize That You Are in the Software Business 2. Quality Must Be the Top Priority
  11. 11. “Why Every Business is a Software Business” – Watts S. Humphrey Management Principles: 1. Recognize That You Are in the Software Business 2. Quality Must Be the Top Priority 3. Quality Software Is Developed by Disciplined and Motivated People
  12. 12. Teamwork and Care Illustration © Salvi Harps 2018
  13. 13. What is DevOps?
  14. 14. IT roles
  15. 15. DevOps is about… Dev Ops IT
  16. 16. … removing walls Dev Ops IT Business Customers
  17. 17. Definition DevOps is the result of applying Lean principles to the technology value stream.
  18. 18. Lean definition & principles Lean manufacturing is a systematic method originating in the Japanese manufacturing industry (Toyota) for the minimization of waste 5 principles are: Identify Value from customer perspective Map the Value Stream how each step of the process contributes Create Flow by reducing waste Establish Pull so that customer kick off the chain Seek Perfection by reviewing again and again your process
  19. 19. software delivered every 90 seconds…
  20. 20. every 15÷30 minutes, maybe “we release hundreds of times per week” Patrick Kua, N26 CTO (Feb 2018)
  21. 21. Research confirms Elite Performers according to Google’s “State of DevOps” Report
  22. 22. Lean in practice Approach Small batches Release often Fail-fast People empowerment Benefits Less risk Faster feedback Less waste (i.e. costs)
  23. 23. Small batches & Release often
  24. 24. Failure is the new norm
  25. 25. Putting it into practice
  26. 26. The Three Ways
  27. 27. Learning
  28. 28. First Way: Systems Thinking
  29. 29. First Way: Systems Thinking
  30. 30. First Way: Systems Thinking
  31. 31. Second Way: Amplify Feedback Loops
  32. 32. Third Way: Culture of Continual Experimentation and Learning
  33. 33. Feedback: A/B Testing
  34. 34. Is DevOps a product? 34
  35. 35. Do I need the Cloud?
  36. 36. DevOps applies to Mainframes as well
  37. 37. Organisational Changes
  38. 38. Is DevOps is a job role? 38
  39. 39. Can Dev and Ops be different orgs?
  40. 40. What’s the ROI ? Westpac Bank (New Zealand) Measured overall organisation efficiency For every $1 spent on a problem, Westpac was delivering a return of about 20-22 cents After DevOps transformation, that number is just shy of 40 cents 2x increase in the value delivery
  41. 41. An ingredient for growth? “In August 2017, we had 450,000 customers. We now have more than 2.3 million customers” Patrick Kua, N26 CTO (March 2019)
  42. 42. Bibliography & References (1/3) “Software Is Eating The World” — Marc Andreessen WSJ August 20, 2011 https://www.wsj.com/articles/SB10001424053111903480904576512250915629460 Why Every Business Is a Software Business” — Watts S. Humphrey Informit, Feb 22, 2002 http://www.informit.com/articles/article.aspx?p=25491 “This Car Runs on Code” — Robert N. Charette Feb 2009 https://spectrum.ieee.org/transportation/systems/this-car-runs-on-code https://www.visualcapitalist.com/millions-lines-of-code/ https://www.mckinsey.com/industries/automotive-and-assembly/our-insights/rethinking-car- software-and-electronics-architecture https://commons.wikimedia.org/wiki/History_of_accountancy https://queue.acm.org/detail.cfm?id=2945077 https://community.risingstack.com/how-n26-built-a-modern-banking-software-with-javascript- microservices/
  43. 43. Bibliography & References (2/3) State of DevOps 2019 https://cloud.google.com/blog/products/devops-sre/the-2019-accelerate-state-of-devops- elite-performance-productivity-and-scaling The NIST Definition of Cloud Computing https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-145.pdf “The real ROI of DevOps” — Justin Arbuckle, February 3, 2017 https://jaxenter.com/real-roi-devops-131520.html ”Case Study: Compuware DevOps Transformation” — David Rizzo, May 7, 2018 https://itrevolution.com/case-study-compuware-rizzo/ https://www.visualcapitalist.com/wp-content/uploads/2019/05/the-future-of-talent-in- banking.html
  44. 44. Bibliography & References (3/3) The DevOps Handbook — G.Kim, P.Debois, J.Willis, J.Humble (IT Revolution 2016) Accelerate — Nicole Forsgren, Jez Humble (Trade Select 2018) Project to Product — Mik Kersten (IT Revolution 2019) The Mythical Man-Month — Frederick P. Brooks Jr. (Addison Wesley 1995, 2nd ed.) Site Reliability Engineering — B.Beyer , C.Jones, J.Petoff, N.R.Murphy (O′Reilly 2016) Making Work Visible — Dominica Degrandis (IT Revolution 2017)
  45. 45. The End

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