Connectivity
CoAP
CoAP (Constrained Application Protocol) is a REST-like web protocol over UDP for highly constrained devices, defined in IETF RFC 7252.
Related terms
Related articles
IoT Sensors: Types, Protocols and Applications in 2026
IoT sensors convert physical-world measurements — temperature, gases, vibration, light, position — into continuous, actionable, scalable digital data. This guid
Jul 9, 2026
MQTT Broker: What It Is, How It Works, Best Options 2026
An MQTT broker is the central messaging server of an IoT network: it receives the data that devices publish and distributes it to every subscribed application.
Jul 8, 2026
Industrial IoT Solutions: Use Cases by Sector in 2026
Industrial IoT solutions turn legacy plants into data-driven operations. A regional food processor runs three shifts on a packaging line that was commissioned i
May 28, 2026
What Is Industrial AI? A Practical Guide for 2026 Plants
What is industrial AI, and why is it suddenly everywhere? The short answer: it is artificial intelligence applied to physical operations. But the real answer li
May 28, 2026
World Internet Day 2026: From ARPANET to the Future of the Internet of Things
It was 10:30 PM on October 29, 1969, at Leonard Kleinrock's laboratory at UCLA. Graduate student Charley Kline began typing "login" from a computer connected for the first time to another machine more than 500 kilometers away, at the Stanford Research Institute. After the letter
Apr 17, 2026
From Iceland to Buenos Aires: How Smart Lighting and IoT Are Reshaping Cities Worldwide
Smart street lighting is an advanced system that uses sensors, connectivity, and intelligent controls to adapt lighting based on real-time conditions like traffic flow, weather, or human presence. These systems integrate LED technology for energy efficiency, durability, and longe
Apr 15, 2026