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Created October 15, 2017 12:03
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Evolutionary Architecture -- Patrick Kua via YouTube
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notes.md

https://www.youtube.com/watch?v=iDYAtys2oK0

Motivation

  • change is inevitable
  • adapt to changes in environment
  • what are possible changes we care about?
  • "What if we architected a system specifically for change?"
  • incremental change

Dimensions

Technical

  • swap out persistence layer
  • support fast feedback
  • appropriate coupling
  • iterative

Domain

  • add in some business features
  • matches business capabilities
  • support experimentation, try things out

Fitness functions

  • things you need to architect for upfront
  • important/unimportant characteristics of the system, e.g.
    • Number of users
    • Availability
    • Legal compliance
  • use metrics and to tests

Cylcle test

  • test more changes in production faster
  • as many generations as possilbe
  • find out whether the changes are the right ones
  • CD: repeatably, reliably
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