A.2 Deployment of FAE+SEAL server

23.5453GPPApplication layer support for Factories of the Future (FF)Release 18TS

A.2.0 General

The FAE+SEAL server deployments can be centralized and distributed.

NOTE 1: The described deployment scenarios show FAE and SEAL server collocation as just an example of possible deployment with respect to FAE servers and SEAL servers. Other deployments are also possible.

NOTE 2: The representation of SEAL functionalities in the FF deployment is specified in 3GPP TS 23.434 [5].

A.2.1 Centralized deployments

A centralized deployment is where FAE+SEAL server offer the FAE+SEAL capabilities to one or more FF application specific servers. The FAE+SEAL server and the FF application specific server can be co-located in a single physical entity. The FAE+SEAL server can be deployed either in the PLMN operator domain or deployed in the FF operator domain. The FAE+SEAL server connect with the 5GS in one or more PLMN operator domain. When FAE+SEAL server and FF application specific server are co-located in a single physical entity, the FAE-S+SEAL-S reference points between the FAE+SEAL server and the FF application specific server are not used.

Figure A.2.1-1 illustrates a deployment of the FAE+SEAL server and the FF application specific server in a single physical entity and deployed in FF operator domain. The FAE+SEAL server can be deployed in a separate physical entity from the FF application specific server in the FF operator domain. In such deployments, the FAE-S+SEAL-S reference points are used for the communication between the FAE+SEAL server and the FF application specific server.

Figure A.2.1-1: FAE+SEAL server co-located with FF application specific server in a single physical entity

Figure A.2.1-2 illustrates a deployment of the FAE+SEAL server in the PLMN operator domain and the FF application specific server in the FF operator domain. The FAE-S+SEAL-S reference points are used for the communication between FF application specific server and the FAE+SEAL server. The FAE+SEAL server can support multiple FF application specific servers.

Figure A.2.1-2: FAE+SEAL server deployed in the PLMN operator domain

Figure A.2.1‑3 illustrates a deployment of the FAE+SEAL server which connect to the 5GS in multiple PLMN operator domain. The FAE+SEAL server can be co-located with the FF application specific server in a single physical entity or deployed in different physical entities.

Figure A.2.1-3: Deployment of FAE+SEAL server with connections to 5GS in multiple PLMN operator domains

Figure A.2.1‑4 illustrates a deployment of the FAE+SEAL server which provide FAE+SEAL capabilities to multiple FF application specific servers over FAE-S+SEAL-S reference points and connect to the 5GS in multiple PLMN operator domain.

Figure A.2.1-4: Deployment of FAE+SEAL server with connections to multiple FF application specific servers

A.2.2 Distributed deployment

The distributed deployment is where multiple FAE+SEAL servers are deployed either in the FF operator domain or in the PLMN operator domain. The distributed deployment of the FAE+SEAL servers provide geographical coverage or support multiple PLMN operator domains in a geographical location. The FAE+SEAL servers interconnect via FAE-E+SEAL-E and the FAE-S+SEAL-S reference points are used for interaction between FF application specific server and the FAE+SEAL server.

Figure A.2.2-1 illustrates the deployment of FAE+SEAL servers in multiple PLMN operator domain and provide FAE+SEAL capabilities to the FF application specific server deployed in the FF operator domain. The FF application specific server connects via FAE-S+SEAL-S to the FAE+SEAL servers.

Figure A.2.2-1: Distributed deployment of FAE+SEAL servers in multiple PLMN operator domain without interconnection between FAE+SEAL servers

Figure A.2.2-2 illustrates the deployment of multiple FAE+SEAL servers deployed in multiple PLMN operator domains. The FF application specific server connects via FAE-S+SEAL-S to the FAE+SEAL server. The interconnection between FAE+SEAL servers are via FAE-E+SEAL-E and support the FF applications for the FF UEs connected to the FAE+SEAL servers in multiple PLMN operator domains.

Figure A.2.2-2: Distributed deployment of FAE+SEAL servers in multiple PLMN operator domain with interconnection between FAE+SEAL servers

Figure A.2.2-3 illustrates the deployment of multiple FAE+SEAL servers in PLMN operator domain based on geographical coverage. The FF application specific server connects via FAE-S+SEAL-S to the FAE+SEAL server 1. The FAE+SEAL servers interconnect via FAE-E+SEAL-E and support the FF communications to the FF UEs connected to the FAE+SEAL servers.

Figure A.2.2-3: Distributed deployment of FAE+SEAL servers in PLMN operator domain

Figure A.2.2-4 illustrates the deployment of multiple FAE+SEAL servers in the FF operator domain where FAE+SEAL server 1 and FAE+SEAL server 2 connect with 5GS of PLMN operator domain 1 and PLMN operator domain 2 respectively. The FF application specific server connects via FAE-S+SEAL-S to the FAE+SEAL server 1. The FAE+SEAL servers interconnect via FAE-E+SEAL-E and support the FF applications for the FF UEs connected via both the PLMN operator domains.

Figure A.2.2-4: Distributed deployment of FAE+SEAL servers in FF operator domain