What is MQTT?

Further information

n/a

Area of application

n/a

Medium

Wired & Wireless

Netzwerk Topologie

Client-server

Supported transmission media

Twisted pair , Coaxial, Optical Fiber, Wifi, Cellular networks

Related standards (specific standards to which each protocol can be assigned.)

ISO/IEC 20922

Implemented security mechanisms

TLS(Transport Layer Security) and OAuth (Open Authorization)

Bandwidth

No specific requirement

Frequency

Not applicable

Range

Varies significantly depending on network infrastructure

Devices (maximum number of devices that can be networked)

n/a

Data model architecture (data model in which the information/attributes are added to an object)

Topics

Discovery (Function to automatically identify devices on the network)

No

Multi Master (Can several master devices act at the same time?)

No

Packet size (data packet size that can be transmitted according to Maximum Transmission Unit)

n/a

Priority (how the changes/updates are made)

Quality of service (QOS) levels can be used to prioritise message delivery

Cost to enable hardware support for additional protocols (Low, Average, High)

n/a

Implemented OSI layers (Application, Presentation, Session, Transport, Network/Packet, Data Link, Physical)

Transport layer, Application layer

Levels of building automation (field level, automation level, management level)

Automation field, Management field

Link

https://mqtt.org/