Which Internet of Things(IoT) protocols to choose?

MQTT, CoAP, SNMP, LwM2M? MQTT seems to be the de facto choice. However, some feedbacks that it has lacked two main features. A prioritized delivery especially for alarms or mission critical messaging. A point-to-point, multi-stage communication between peers. With these being said, some MQTT provider has added priority in their MQTT protocol. For example, Hivemq. […]