the present disclosure relates to a communication method and system for converging a 5 th - generation communication system for supporting higher data rates beyond a 4th - generation system with a technology for internet of things . the present disclosure may be applied to intelligent services based on the 5g communication technology and the iot - related technology , such as smart home , smart building , smart city , smart car , connected car , health care , digital education , smart retail , security and safety services . a method for a base station to perform communication in a wireless communication system includes transmitting an interface setup request message related to tracking area information to at least one mobility management entity in a first mme pool . the method includes identifying whether an interface setup response message related to the tracking area information is received from the at least one mme in the first mme pool , and storing mapping information between the tracking area information and the first mme pool if the interface setup response message is received .