METHOD OF EXECUTING SERVICE FOR SERVICE CONSUMER, AS WELL AS CORRESPONDING NETWORK NODE AND COMPUTER PROGRAM PRODUCT Russian patent published in 2021 - IPC H04W8/12 

FIELD: physics.

SUBSTANCE: invention relates to wireless communication. Said technical result is achieved by a service implementation method for a service consumer, wherein said service consumer is registered in home telecommunication network and is currently in guest telecommunication network; method comprises steps of extracting a list of available services in a home telecommunication network, to which access to said service consumer is allowed, wherein said SDVN function and said home NRF are both in said home telecommunication network, receiving a service operation message requesting execution of an operation in a specific service for said service consumer in said guest telecommunication network, determining that said home network is capable of providing said requested specific service based on said retrieved list of available services, and selecting one or more service entities to execute said operation in said specific service for said service consumer.

EFFECT: technical result is protection aspects of security and authentication associated with a service consumer and/or with a service provider.

13 cl, 5 dwg