Patent ID: 11877188
Assignee: NOKIA SOLUTIONS AND NETWORKS OY
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A network function (NF) device comprising:
a memory having computer readable instructions stored thereon; and
at least one processor configured to execute the computer readable instructions to cause the NF device to,
transmit a network address query to a domain name search (DNS) server related to a network repository function (NRF) cluster located in a public land mobile network (PLMN), the NRF cluster including a plurality of NRF devices, the plurality of NRF devices including a primary NRF device and at least one secondary NRF device,
receive a DNS response from the DNS server, the DNS response including a list of network address information for each NRF device of the NRF cluster,
transmit a NF registration request to at least one NRF device of the NRF cluster based on the list of network address information for the plurality of NRF devices of the NRF cluster, and
receive a NF registration response from the at least one NRF device of the NRF cluster.