The present invention relates to the fields of mobile communication, connected driving, Internet of vehicles (IoV), self-driving car, and autonomous car. More specifically, the present invention relates to side-link communication and network slicing. The present invention provides a control unit 100 for assisting side-link communication for at least one slice 101 of a communication network, wherein the control unit 100 is configured to obtain at least one of an upper layer requirement 102, and a session requirement 103; and to configure, for the at least one slice 101, at least one side-link resource pool 104 based on the upper layer requirement 102 and/or session requirement 103.