Source UPF 431 registers its Identity (ID) with core NRF 423 and indicates its ability to communicate with source ASF 433. Source ASF 433 registers its ID with core NRF 423 and indicates its ability to serve the low-latency application. Target UPF 432 registers its ID with core NRF 423 and indicates its ability to communicate with target ASF 434. Target ASF 434 registers its ID with core NRF 423 and indicates its ability to serve the low-latency application.

UE 401 and source CU 415 wirelessly exchange attachment signaling over source RU 411 and DU 413. Source CU 415 and AMF 421 exchange attachment signaling for UE 401. AMF 421 and UE 401 exchange authentication signaling over source RU 411, DU 413, and CU 415. AMF 421 selects SMF 422 to serve UE 401. AMF 421 and core SMF 422 exchange session signaling that directs SMF 422 to serve UE 401 with low-latency communications. SMF 422 uses NRF to select source UPF 431 and source ASF 433 to serve UE 401 with low-latency communications. SMF 422 and source UPF 431 exchange N4 signaling that directs UPF 431 to serve UE 401 with low-latency communications to source ASF 433. AMF 421 and source CU 415 exchange N2 signaling that directs CU 415 to serve UE 401 with the low-latency communications.