Networking and Communication Protocols
Communication underpins the functionality of IoT systems, enabling devices to exchange data through various wired and wireless technologies. The chapter explores the characteristics and applications of protocols like MQTT, CoAP, and HTTP. Proper selection of communication methods is crucial, tailored to the specific requirements of different IoT scenarios.
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What we have learnt
- IoT relies on various communication protocols to transmit data between devices and platforms.
- Wireless technologies like Wi-Fi, Bluetooth, Zigbee, and LoRa are widely used.
- MQTT is a lightweight and popular messaging protocol ideal for IoT.
- Choosing the right network and protocol depends on the application's range, power, and data needs.
Key Concepts
- -- IoT Communication
- Refers to the mechanisms by which IoT devices send and receive data.
- -- MQTT
- A lightweight messaging protocol suitable for low-bandwidth and high-latency networks.
- -- CoAP
- A specialized protocol for constrained devices and networks, optimized for low power consumption.
- -- WiFi
- A wireless technology that allows devices to connect to the internet over short ranges, commonly used in home automation.
- -- LoRa
- A long-range, low-power wireless technology used for applications like agriculture and rural monitoring.
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