The application architecture for supporting edge applications are specified in TS 23.558. The V2X application layer functional model as specified in clause 6 may be deployed in edge computing environment. Figure D-1 illustrates a V2X application layer deployment in edge computing environments.

Figure D-1 illustrates the utilization of edge computing for V2X application layer based on edge enabler layer specified in TS 23.558. At UE side, V2X Application Specific client(s) and VAE client interact with the Edge Enabler Client (EEC) via EDGE-5 reference point. In an Edge Data Network (EDN), V2X Application Specific Server and VAE server assume the role of EAS (Edge Application Server) and interacts with the Edge Enabler Server (EES) via EDGE-3 reference point, for instance, to register its profile into the EES. Upon service provisioning, the EEC interacts with the EES via EDGE-1 reference point, for instance, to discover V2X Application Specific Server(s) and VAE Server and further the EEC provides the discovered V2X Application Specific Server(s) and VAE server to the V2X Application Specific client and VAE client respectively. The interactions between the entities and 5GS are not shown for the sake of simplicity. In an EDN, there could be several EES(s) provided by the same or different ECSP. The V2X application specific server(s), VAE server(s) and SEAL servers (e.g. GMS, NRMS, ADAES) shall be able to discover and register into an appropriate EES. If CAPIF is used, this can be done by utilizing the AEF serving area and/or the AEF location as described in TS 23.222; otherwise, local configuration of the EES endpoint may be used. The services provided by EES over EDGE-3 are not re-exposed by the VAE server or SEAL servers to the V2X application specific server but are directly consumed by the SEAL servers, VAE server and V2X application specific server(s).