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kubecon26/content/day0/12_extensible.md

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Building Extensible Platforms 12
platformengineeringday
platform

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Baseline

Complexityis unavoidable: May it be in platforms, physics or biology Complexity usually grows rappidly followed by a phase of making things better -> "Let's make virtual machines easier but add 500x more of them" (the story of kubernetes)

TODO: Steal chart from slides

Mthods to the madness

  • We want confluence (the mathematical one, not the atlassian one): If there are different paths that are semanticly the same it should not matter wich path we take
    • As long as we achive the same goal the specifics should not matter that much
  • Narrow Protocol: A narrow and slowly evolving protocol allows us to have diversification below and above the narrow point
    • Examples: IP Adresses and DNS haven't changed in a long time -> We can use this narrow thing to build monsters on top of
    • Allow everything above and below your platform to change flexibly and evolve
  • Vertical integration: When you're getting integrated you become valuable (again the DNS example) -> Vertical integration always beats technological capabilities
  • Picking the right protocol might be hard, but choosing a narrow and integrated one helps

TODO: Steal confluence slide

Extensibility

  • The expression Problem: The static typesafety vs type-flexibility question
  • So we want a platform where we can
    • In a typesafe manner
    • onboard new applications into the platform
    • onboard new integrations into the platform
    • Without requiring a end-user or platform migration/deploy
    • Without centralising definition of interfaces or applications
    • Without assuming a certain platform or applicationg architecture
  • So basicly: Protocolas are the new platforms
  • You have to be fine with people using your protocol for whatever they want -> It needs to be abusable