CORE NODE, BASE STATION, RADIO TERMINAL, COMMUNICATION METHOD, RADIO RESOURCE ALLOCATION METHOD, BASE STATION SELECTION METHOD, AND READABLE MEDIUM

The present disclosure aims to provide a core node capable of appropriately allocating a radio resource of a RAN Slice allocated for a specific service to a radio terminal that uses this specific service. A core node according to the present disclosure includes: a determination unit configured to determine a radio resource to be allocated in accordance with a service provided for a radio terminal; and a communication unit configured to transmit resource identification information indicating the radio resource determined in the determination unit to a base station that manages a plurality of radio resources for each RAN Slice associated with a service.