DATA PROCESSING DEVICE AND OPERATING METHOD THEREOF

A data processing device according to an embodiment disclosed herein may include a first communication circuit configured to receive first data, and a first controller is configured to receive the first data from the first communication circuit, transmit the first data to an upper-level controller, and receive second data from a second communication circuit included in another data processing device based on whether health validation data is received from a second controller included in another data processing device and determine whether to transmit the second data to the upper-level controller.