DevOps – How our mental model of IT has evolved over more than decade

Transcript

1. Konstantin Diener | konstantin.diener@cosee.biz | @coseeaner
   DevOps – How our mental
   model of IT has evolved …
   … over more than decade
   

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2. Konstantin Diener
   CTO and Co-Founder of
   cosee
   

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3. Start Scale
   product development
   

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4. Discovery-
   Phase
   Backlog
   Expert-Teams
   Billing
   Models
   Iterative
   Delivery
   Software-
   Releases
   

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6. The IT scene looked completely di
   ff
   erent
   
   
   more than a
   decade ago …
   

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8. • as many features as possible
   
   
   • quick response
   
   
   • Scrum: Shippable Product
   • stable application
   
   
   • no incidents or major bugs
   
   
   • no Downtimes
   >> throughput >> stability
   Development Operations
   

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9. https://de.slideshare.net/jallspaw/10-deploys-per-day-dev-and-ops-cooperation-at-flickr/
   

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10. https://de.slideshare.net/jallspaw/10-deploys-per-day-dev-and-ops-cooperation-at-flickr/
    Ops’ job is to enable the business
    (this is dev’s job too)
    

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11. What has
    
    
    changed?
    

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12. When we say
    
    
    Products …
    

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13. User Story Mapping
    Je
    ff
    Patton
    

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14. Je
    ff
    Patton, User Story Mapping, https://jpattonassociates.com/
    

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15. Focus on
    Outcome,
    
    
    not on
    Output.
    

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16. When we say
    
    
    Responsibility …
    

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19. Product development has become a
    cross-functional
    
    
    team sport.
    

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20. When we say
    
    
    Releases …
    

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21. Firma
    Auslieferungs-
    frequenz
    Code Deployment
    Lead Time
    Reaktion auf
    Kundenwunsch
    Amazon 23.000/Tag Minuten hoch
    Google 5.500/Tag Minuten hoch
    Netflix 500/Tag Minuten hoch
    Facebook 1/Tag Stunden hoch
    klassisch 1/alle 9 Monate Monate/Quartale niedrig/mittel
    The Phoenix Project
    

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22. The Phoenix Project
    Gene Kim, Kevin Behr,
    George Spa
    ff
    ord
    

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23. When we say
    
    
    infrastructure …
    

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26. First
    
    
    Virtualisierung
    

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27. then
    
    
    Cloud
    

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28. AWS has only
    
    
    existed since
    2006.
    

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29. Infrastructure as
    Code, not „as configuration“
    

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30. When we say
    
    
    infrastructure
    components …
    

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33. Managed
    Services
    

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34. When we say
    
    
    handling
    infrastructure …
    

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37. When we say
    
    
    failure …
    

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39. Everything fails
    all the time.
    “
    Werner Vogels
    

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41. Chaos
    Engineering
    

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42. When we say
    
    
    Dealing with
    failure …
    

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46. Blameless
    Postmortems
    

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48. Is this called
    
    
    DevOps culture?
    

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49. • Use shared goals & shared responsibility
    
    
    • Make business & customers successful.
    
    
    • Release o
    ft
    en & in small batches.
    
    
    • Use Infrastructure as Code & Managed Services.
    
    
    • Avoid PET infrastructure.
    
    
    • Accept failure happens to be part of IT.
    
    
    • Learn from failure and share your learnings.
    Cheat Sheet
    

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50. konstantin.diener@cosee.biz | @onkelkodi
    Picture credits:
    
    
    Cover: https://www.shutterstock.com/de/g/GaudiLab
    
    
    Silos: https://www.shutterstock.com/de/g/davotibarna
    
    
    Server: https://www.shutterstock.com/de/g/shock
    Let’s keep in touch?
    Konstantin Diener | cosee GmbH
    cosee.biz
    

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