Next generation interface configuration method and apparatus

A method of a second satellite, comprising:

• receiving, from a gateway, address information on an address of the gateway or information on an address relayed via the gateway;
• transmitting, to a first satellite connected to the second satellite, a configuration update message including the address information;
• and
• receiving, from the first satellite, a response message for the configuration update message.

A first satellite comprising at least one processor, wherein the at least one processor causes the first satellite to perform:

• receiving one or more configuration update messages from one or more satellites connected to the first satellite;
• determining an anchor satellite among the one or more satellites based on the one or more configuration update messages;
• and
• establishing a connection with an access and mobility management function (AMF) entity connected to the anchor satellite.