IoT Protocols are standardized methods that enable communication between devices in the Internet of Things. These protocols ensure that devices can share data and work together efficiently, regardless of their manufacturer or type. Common examples include MQTT, which is lightweight and ideal for low-bandwidth situations, and HTTP, which is widely used for web-based applications. Different IoT Protocols serve various purposes, such as data transmission, device management, and security. For instance, CoAP is designed for constrained devices and networks, while Zigbee focuses on low-power, short-range communication. Choosing the right protocol is crucial for optimizing performance and connectivity in IoT systems.