Bounded Quote by Gene Kim
““Services interact with their peers strictly through APIs and thus don’t share data structures, database schemata, or other internal representations of objects. Bounded””
About This Quote
Source Book: The Phoenix Project, Gene Kim, 2013
Services communicate only via defined interfaces, keeping internal designs hidden and independent.
In simple terms: Services use APIs, not shared internals.
Key Takeaway
Design APIs, avoid tight coupling.
Themes
software architecture
modularity
API design
Mood
technical
pragmatic
Type
guidance
instructional
When to use this quote
- system integration
- team collaboration
- scalable development
Key Concepts
microservices
encapsulation
loose coupling
Questions to Reflect On
- How do you ensure API stability?
- What risks arise from hidden dependencies?
A Different Perspective
APIs can become bottlenecks if not well‑designed.
![“Bill Baker, a distinguished engineer at Microsoft, quipped that we used to treat servers like pets: “You name them and when they get sick, you nurse them back to health. [Now] servers are [treated] like cattle. You number them and when they get sick, you shoot them.” quote by Gene Kim](https://sms4smile.com/quotes/img-quotes/e7b/gene-kim-2268_health_bill-baker-a-distinguished-engineer-at-m_187582.jpg)
