A company is developing an IoT system for a smart city project where they need to ensure real-time communication with minimal bandwidth usage. Which protocol might they consider?
- CoAP
- HTTP
- MQTT
- WebSocket
In the context of real-time communication in IoT with minimal bandwidth usage, MQTT (Message Queuing Telemetry Transport) is a widely considered protocol. It is a lightweight publish-subscribe messaging protocol, designed for constrained devices and low bandwidth scenarios, making it a suitable choice for smart city projects.
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