Cloud Architecture

Jul 7, 2026 · Backend Development

From HTTP Polling to MQTT Push: Evolving High‑Concurrency IoT Device Access Architecture

Switching from HTTP polling to MQTT for massive IoT deployments requires rethinking connection models, topic design, state management, and engineering practices, as the article details the architectural evolution, four‑plane production design, code patterns, and operational safeguards needed for reliable high‑concurrency device access.