A master device that manages task processing is provided and includes a communication circuit and at least one processor to obtain first real-time resource information associated with resources that a first task processing device currently uses obtain second real-time resource information associated with resources that a second task processing device currently uses, obtain information associated with processing of a distribution task to be distributed to at least one of the plurality of task processing devices, obtain an amount of resources required for processing the distribution task, identify the first task processing device to be a task processing device to which the distribution task is to be distributed on the basis of the first real-time resource information, the second real-time resource information, and the amount of resources required for processing the distribution task, and transmit the information associated with processing of the distribution task to the first task processing device.