iot

EMS architecture: when local control beats the cloud round trip

An EMS that round-trips every decision through the cloud is going to disappoint someone, eventually, in a way that costs real money. The right split between edge and cloud is a latency budget question, and once you frame it that way the architecture writes itself.

8 min read

MQTT at fleet scale: what a few thousand IoT devices and one bad Postgres password taught us

A misconfigured Postgres credential turned an ordinary EMQX cluster into a 50,000-connection-attempt-per-minute self-DDoS. Here is what we changed about authentication, observability, and runbook design after that night.

7 min read

IoT connectivity

This blog post is an addition to the YouTube video above. I'm describing different connectivity types that you can use

5 min read

State of the Internet of Things

What is IoT? IoT or Internet of Things is a broad term, which was coined over a decade ago by Kevin Ashton.

3 min read