SMF Selection for Isolated Network Slice

Abstract

An access and mobility management function receives a registration request for a wireless device from a radio access network. The access and mobility management function sends a first message to a network repository function in response to receiving the registration request. The first message comprises: at least one single network slice selection assistance information of at least one network slice; and network slice isolation information for the at least one single network slice selection assistance information. The access and mobility management function receives from the network repository function, a second message comprising an Internet protocol address of a session management function. The session management function is selected based on the network slice isolation information for the at least one single network slice selection assistance information. The access and mobility management function sends a session create request for the wireless device to the session management function.

Dependencies are inferred from the claim text.