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

Claim 7:
8. A method comprising:
sending from a service consumer in a communication system comprising a service-based architecture to an authorization entity in the communication system a request for access to a given service type;
receiving at the service consumer an access token from the authorization entity, wherein the access token identifies (i) a network function repository function (NRF) of the communication system which generated the access token and (ii) a plurality of different service producers offering services of the given service type 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; and
selecting at least one 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 plurality of different service producers.