COMMUNICATION APPARATUS, DATA PROCESSING APPARATUS, CONTROL METHODS THEREOF, AND RECORDING MEDIUM

摘要

A communication device capable of participating in a network which a relay device establishes communication with a data processing device through a first network and receives a notice which indicates whether the data processing device forms the first network as the relay device or not. The communication device controls whether data is transmitted or received through an internet using the relay device forming the first network in which the communication device currently participates according to contents received from the data processing device. [Reference numerals] (AA) Internet