CPC H04W 4/50 (2018.02) [H04L 41/5048 (2013.01); H04W 8/22 (2013.01)] | 20 Claims |
1. A method of operation of a service requestor to request a service from a chain controller in a cellular communications network in which a user plane function is decomposed into a plurality of micro user plane functions, comprising: “sending, to the chain controller, a service description or a request to update a service description, wherein: o the service description comprises one or more service template instances, the one or more service template instances having respective service template definitions; o each service template definition of the respective service template definitions being data that defines a set of micro user plane functions that realize a service or a part of a service; and o each service template instance of the one or more service template instances comprises data that defines a reference to the respective service template definition and wherein each service template instance of the one or more service template instances further comprises changeable input values for input parameters of the respective service template definition; and” receiving a reply from the chain controller.
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