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Complexity is Outside the Code

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CodeMesh 2014 opening keynote
by Dan North and Jessica Kerr

Published in: Software
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Complexity is Outside the Code

  1. 1. Complexity is Outside the Code
  2. 2. security deployment search UX latency caching monitoring
  3. 3. Language Unix utilities Database Algorithms stdlib
  4. 4. Language Unix utilities Database Algorithms stdlib and python and ruby! and all of github! brew install it all! read every thesis!so many databases!
  5. 5. minimize lead time to business impact
  6. 6. Working( Implemented(
  7. 7. Working( Implemented( Working( Implemented(
  8. 8. minimize lead time to business impact
  9. 9. sustainably minimize lead time to business impact
  10. 10. Estimate 22 days lead time?
  11. 11. half month 2 months Estimate
  12. 12. 5 weeks 7 weeks Narrow the delivery risk: surface uncertainty
  13. 13. Research is a first-class task. codeexplore code code
  14. 14. Production Full-scale
  15. 15. Research is an ongoing activity. codeexplore explorecode explore code
  16. 16. ? ? ??
  17. 17. Kaizen is first-class work. codeexplore code code study kaizen
  18. 18. code $$ $$ long tail of uncertainty
  19. 19. code $$ $$ long tail of opportunity kaizen
  20. 20. Program Tests Deploy Monitoring Evaluation Databases Filesystem Network
  21. 21. security deployment search UX latency caching monitoring
  22. 22. Program Tests Deploy Monitoring Evaluation Databases Filesystem Network code
  23. 23. Dan North @tastapod Jessica Kerr @jessitron
  24. 24. [1] box-arrow-box-arrow-cylinder: Ted Neward,"Rethinking Enterprise" STL JUG 12 July 2012 [2] Silver Bullet: Fred Brooks, "No Silver Bullet" http://en.wikipedia.org/wiki/No_Silver_Bullet [3] Microservices death star: Adrian Cockroft, GOTO Chicago 2014 https://www.youtube.com/watch?v=BeNrVl2_nyI
  25. 25. [7] plastic bags:
 http://econews.com.au/news-to-sustain-our-world/eu- reported-to-green-light-plastic-bag-ban/ [4] Moore's Law as tech atop tech: Ben Hammersley "The Flower, the Field, and the Stack" http://vimeo.com/51810057 [5] simulation of team: https://github.com/jessitron/teamo [6] goal of minimize lead time: http://dannorth.net/2013/07/05/are-we-nearly-there-yet/
  26. 26. Dan North @tastapod Jessica Kerr @jessitron slideshare.net/jessitron/complexity-is-outside-the-code

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