A new traffic offloading technique in a communication system is provided. A communication apparatus according to the present invention includes: a first means for selecting, from among a plurality of network nodes including a first network node and a second network node, the second network node for a terminal capable of autonomous communication with a communication-counterpart equipment, wherein the first network node performs predetermined signal processing in a first network and the second network node operates a function of the first network node through a virtual machine in a second network; and a second means for sending communication data related to the terminal to the second network node selected.