Architect Practice

Jun 1, 2026 · Artificial Intelligence

When AI Rate Limiting Goes Wrong: A Four‑Dimension Framework and Three‑Layer Gateway in Practice

A midnight alarm at a fintech AI platform revealed that traditional QPS throttling missed a runaway Agent that consumed hundreds of times more tokens, prompting a detailed analysis of four token‑based limiting dimensions, three‑layer gateway design, agent‑specific controls, semantic caching, and tool selection to prevent similar “ghost avalanche” failures.