Communication apparatus and method of controlling communication thereof for detecting that predetermined communication apparatus has left a first network and controlling such that another communication apparatus of the first network returns to a second network

摘要

Disclosed is a communication apparatus in a network system constituted by a plurality of communication apparatuses, wherein the fact that a specific communication apparatus connected to a temporary network constructed temporarily has left the temporary network is detected. In response to the specific communication apparatus leaving the temporary network, another communication apparatus connected to the temporary network is allowed to return to the original network.