A communication device (100) which operates as an application node which executes one or a plurality of applications includes: a communication unit (110) that executes communication with another logical node; and a control unit (130) that controls communication by the communication unit (110). The another logical node is a node which is applied with application function chaining (AFC) in which, in transmission/reception of an application message with the application node as a transmission source or a transmission destination, one or a plurality of application functions act on the application message midway along a path of the transmission/reception, and the control unit (130) causes the communication unit (110) to transmit, to the another logical node, a message according to a publishing/subscription model in order to transmit and receive the application message on which the one or the plurality of application functions act.