Which is better MQTT or CoAP?

While it has support for observing resources, CoAP is best suited to a state transfer model, not purely event based. MQTT clients make a long-lived outgoing TCP connection to a broker. This usually presents no problem for devices behind NAT. CoAP clients and servers both send and receive UDP packets.

What kind of applications are most suitable for MQTT?

In addition to being used as an underlying communications protocol for IoT and Industrial IoT architectures, MQTT is used in smart home automation systems alongside cloud platforms such as Microsoft Azure, AWS and IBM Watson. Facebook also uses MQTT as a communication protocol for its Messenger and Instagram platforms.

Which protocol is used to link all the devices in the IoT?

the Internet Protocol suite
1. Which protocol is used to link all the devices in the IoT? Explanation: The internet of Thing is the global system of interconnected computer networks that use the Internet Protocol suite (TCP/IP) to link billions of devices worldwide. 2.

Why is IPv6 preferred over IPv4 for IoT implementations?

IPv6 has an address space of 128 bits (which is 4 times larger than IPv4) and can accommodate large no. of devices. Apart from providing a large address space IPv6 provides security features like authentication and privacy to thwart increasing cyber crimes.

Which best describes MQTT protocol?

MQTT is the standard protocol for messaging and data exchange for the Internet of Things. The protocol uses a publish/subscribe architecture. The technology provides a scalable and cost-effective way to connect devices over the Internet.

Which are the applications of MQTT protocol?

Uses. The MQTT protocol is the standard for all major cloud platforms, including Microsoft Azure, IBM Cloud, and Amazon Web Services. Facebook even uses MQTT for its Facebook Messenger and Instagram apps.