Patent ID: 11924641
Assignee: NOKIA TECHNOLOGIES OY
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 11:
12. A method comprising:
receiving an access token at a proxy element in a communication system comprising a service-based architecture, wherein the access token identifies (i) a network function repository function (NRF) of the communication system which generated the access token and (ii) a subset of a plurality of different service producers in the communication system offering services of a given service type which are associated with the proxy element and which are determined utilizing a discovery process performed by the NRF, the plurality of different service producers comprising network entities of the service-based architecture in the communication system, the access token being generated by an authorization entity in the communication system in response to a request by a service consumer in the communication system for access to the given service type; and
selecting at the proxy element one of the subset of the plurality of different service producers from the access token based on one or more selection criterion;
wherein the access token comprises an audience claim field specifying network entity instance identifiers for the identified subset of the plurality of different service producers.