This TS describes the stage 3 aspects of mobility management for User Equipment (UE) using IETF
Mobile IPv4 foreign agent mode to access the Evolved Packet Core Network (EPC) through trusted non-3GPP access
networks and for mobility management of UE between the 3GPP access network and trusted non-3GPP access
In particular, the present document describes the UE – Mobile IPv4 Foreign Agent (FA) interface stage 3 aspects, where the FA functionality is located within the access network in the non-3GPP access domain.
This TS is applicable to the User Equipment (UE) and the network node implementing the FA