Table of Contents
What is the difference between MQTT and Smqtt?
SMQTT (Secure Message Queue Telemetry Transport) is an extension of MQTT protocol which uses encryption based on lightweight attribute encryption. The main advantage of this encryption is that it has a broadcast encryption feature. In this features, one message is encrypted and delivered to multiple other nodes.
What is the difference between MQTT and COAP?
COAP stands for Constrained Application Protocol. MQTT stands for Message query telemetry transport. It uses only asynchronous mode for messaging. …
How is MQTT different from CoAP?
MQTT messages can be used for any purpose, but all clients must know the message formats up-front to allow communication. CoAP, conversely, provides inbuilt support for content negotiation and discovery allowing devices to probe each other to find ways of exchanging data.
What is the difference between RabbitMQ and MQTT?
Key Differences Between RabbitMQ vs MQTT MQTT is designed to be used for smaller devices that send messages over a network with low bandwidth. On the other hand, RabbitMQ supports almost all the messaging forms like pub-sub, round-robin, message-queues, etc. It also supports message grouping and idempotent messages.
What is the difference between TCP and MQTT?
The MQTT protocol is based on TCP/IP. Both the client and the broker need to have a TCP/IP stack. The MQTT connection is always between one client and the broker. To initiate a connection, the client sends a CONNECT message to the broker.
Which of there following protocol is based on publish subscribe architecture?
MQTT
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 of the following is the protocol data transfer unit for CoAP?
CoAP relies on UDP security features to protect information. As HTTP uses TLS over TCP, CoAP uses Datagram TLS over UDP.