DEVICE AND METHOD FOR SERVICE SUBSCRIPTION VIA E2 INTERFACE IN RADIO ACCESS NETWORK COMMUNICATION SYSTEM

The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). According to various embodiments of the present disclosure, a method performed by node E2 may comprise the steps of: transmitting, to a radio access network, RAN, intelligent controller, RIC, an E2 setup request message including information on a list of one or more functions in E2 node to be added; and receiving, from the RIC, an E2 setup response message including information related to the list of one or more functions in E2 node to be added.