An example method, performed by an edge data network configuration server, of relocating at least one service, currently provided from a source edge data network to at least one terminal, to a plurality of edge data networks having a hierarchical structure includes obtaining a service relocation request from the at least one terminal, determining relocation candidate services by reflecting the service relocation request, determining priorities of the relocation candidate services, obtaining location information of the at least one terminal, determining a relocation target service and a target edge data network based on at least one of the priorities or the location information, and requesting the target edge data network to provide the relocation target service to the at least one terminal, wherein the source edge data network and the target edge data network are hierarchically included in different tiers.