US Patent 11363104 Subscription based directory services for IOT devices

An example system comprising a management server to execute a directory service for internet-of-things (IoT) devices deployed on the management server, the management server to receive a subscription message including a topic about the IoT devices from a client device, store an address of the client device and the corresponding topic subscribed by the client device in the directory service for the IoT devices, extract device information from a sensor, wherein the device information includes the topic about the IoT devices, and transmit a configuration packet to the sensor in response to an identification of the topic from the device information, wherein the configuration packet includes the address of the client device.