The Abstraction Layer Has Moved Up

Thu, 08 Oct 2026 00:00:00 +0000

flowchart BT
 Hardware["Hardware<br/>CPU, memory, network"]
 Runtime["Runtime and operating system<br/>scheduling, processes, files"]
 Code["Code and framework<br/>language, libraries, APIs"]
 System["System design<br/>data, services, consistency, failure modes"]
 Direction["Agent direction<br/>specification, constraints, verification"]

 Hardware --> Runtime --> Code --> System --> Direction

To become truly good at one layer of abstraction, you need to understand the layer beneath it.

That idea shaped much of computer science education. In college, we studied operating systems, software architecture, assembly language, microprocessors, compiler design, and other subjects that seemed far removed from the applications most of us would eventually build.

Career on AI Agent Engineering Notes

The Abstraction Layer Has Moved Up