Fecha de publicación: 07/03/2024 Fuente: Wipo "IOT" Disclosed, according to one embodiment of the present invention, is an IoT gateway providing compatibility with IoT devices having various protocols, the IoT gateway comprising: a protocol conversion unit which, on the basis of a message received from a first IoT device, checks the type of the first IoT device and a protocol used thereby, and generates an OCF framework-based virtual resource model object and converts the received message into an OCF-based protocol; a device management unit which assigns a device ID to the generated resource model object and maps the generated resource model object with the received message which has been converted into the OCF-based protocol; and a control management unit which transmits the generated resource model object to an integrated control server by using the OCF-based protocol.