21CTO

May 15, 2026 · Cloud Native

Why LLMs Are Undermining 20‑Year‑Old Stateless Web Architecture

The article explains how the longstanding web architecture that separates stateful databases from stateless compute is being challenged by large language models and AI agents, which introduce long‑running, stateful, bidirectional workflows, exposing the need for new routing primitives such as persistent pub/sub channels rather than traditional HTTP‑load‑balancer setups.