US 12,224,913 B2
Systems and methods for network function discovery in a segmented network
Shanthala Kuravangi-Thammaiah, Keller, TX (US); Emerando M. Delos Reyes, Pleasant Hill, CA (US); and Sudhakar Reddy Patil, Flower Mound, TX (US)
Assigned to Verizon Patent and Licensing Inc., Basking Ridge, NJ (US)
Filed by Verizon Patent and Licensing Inc., Basking Ridge, NJ (US)
Filed on Mar. 20, 2023, as Appl. No. 18/186,428.
Prior Publication US 2024/0323092 A1, Sep. 26, 2024
Int. Cl. H04L 41/122 (2022.01)
CPC H04L 41/122 (2022.05) 20 Claims
OG exemplary drawing
 
1. A method, comprising:
subscribing, by a first network repository function (NRF) located in a first segment of a first core network, to event information associated with at least one of a unified data management (UDM) function or a unified data repository (UDR) located in a second segment of the first core network;
receiving, by the first NRF located in the first segment of the first core network and from a second NRF located in the second segment of the first core network, at least one of UDM or UDR information associated with the at least one of the UDM function or UDR located in the second segment of the first core network;
receiving, at the first NRF, at least one of a UDM function or UDR discovery request from a network function (NF), wherein the UDM function or UDR discovery request is associated with subscriber information stored in the UDM function or UDR located in the second segment of the first core network;
responding, by the first NRF, to the discovery request;
receiving, by the second NRF, a status change indication associated with at least one of the UDM function or UDR located in the second segment of the first core network;
forwarding, by the second NRF and to the first NRF, a notification message identifying the status change;
subscribing, by at least a third NRF located in a third segment of the first core network, to event information associated with at least one of the UDM function or UDR located in the second segment of the first core network; and
forwarding, by the second NRF, the event information to the at least third NRF.