iot architecture
8 min read
•2026-04-10
Carrier-Grade End-to-End IoT Telemetry: TLS 1.3, MQTT & Edge Failover
Production-grade cellular (LTE-M/NB-IoT) gateway pipeline featuring mutual TLS authentication, delta OTA updates, and SQLite local queue persistence during connectivity drops.
Quectel BG95mbedTLSAWS IoT CoreeMMC 4GBSTM32H7
High-Reliability Telemetry at the Physical Edge When managing fleets of thousands of industrial switches and telematics units, connectivity cuts are guaranteed. A robust gateway architecture must guarantee zero telemetry loss.
Failover Queue Architecture We implemented a circular flash ring-buffer capable of buffering up to 72 hours of compressed sensor metrics. Upon reconnecting to the MQTT broker, burst-rate regulation prevents DDoS throttling while back-filling historical telemetry seamlessly.
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