IoT connected objects over a smart city

CoAP is Cool: Building Sustainable LPWAN Solutions

This article was originally posted on IoT for All.   CoAP is cool. Don’t get me wrong. I am not saying CoAP is better than MQTT or any protocol, but CoAP is the right tool for IoT solutions using LPWAN for connectivity.   CoAP Constrained Application Protocol (CoAP) or RFC 7252, as the IETF calls it, is…