
HTTP Status Codes Are a Contract
HTTP status codes are not UI signals. They are distributed-system control messages that shape retries, caching, observability, and automation behavior across boundaries.
4 articles in this category.

HTTP status codes are not UI signals. They are distributed-system control messages that shape retries, caching, observability, and automation behavior across boundaries.

Rate limiting looks like arithmetic in tutorials, but in production it allocates scarce capacity, encodes fairness assumptions, and shapes client behavior under stress.

RAG became the default way to ground LLMs on enterprise data, but that did not solve AI reliability. It exposed a harder reality: retrieval is infrastructure, and the real work is systems design, governance, and evaluation.

Large context windows feel like intelligence in demos, but in production they behave like memory allocation and throughput scarcity. The bottleneck moves from retrieval logic to hardware capacity and system design.