September 7, 2018

Control-/User Plane Separation (CUPS) in mobile networks

Control-/User Plane Separation (CUPS) [1] in mobile networks refer to the complete separation between control plane functions (which take care of the user connection management, as well as defining QoS policies, performing user authentication, etc.) and user plane functions (which deal with data traffic forwarding). It was first introduced by 3GPP’s Release 14 at packet data gateway level, concerning the 4G Evolved Packet Core (mobile core for 4G networks) and […]