Living benchmark — MQTT, CoAP, AMQP, and HTTP/3 measured under identical test conditions. Latency, throughput, power, and payload overhead. Updated April 2026.
Practitioner's guide to IEC 62443 — zones and conduits, security levels SL1-SL4, Purdue model alignment, and concrete reference architectures for ICS protection.
Step-by-step guide to running ML models on ESP32 using TensorFlow Lite Micro — quantization, memory budgeting, ESP-NN acceleration, and deployment patterns.
Practical zero trust architecture — policy decision point, policy enforcement point, mTLS, SDP, identity-aware proxies, and migration from perimeter-based networks.
How modern TSDBs work internally — storage engines, compression, hypertables, columnar vs row-oriented, and which to choose for IoT, APM, or financial workloads.
Technical comparison of Terraform, Pulumi, and Crossplane — state models, language flexibility, Kubernetes-native vs imperative, drift detection, and real-world trade-offs.
How Kafka tiered storage works under the hood — KIP-405 design, remote log segments, S3 integration, latency trade-offs, and cost-optimized retention patterns.