Section: 5.1.2.2 eNodeB - S-GW
Content: Legend: - GPRS Tunnelling Protocol for the user plane (GTP-U): This protocol tunnels user data between eNodeB and S-GW. - User Datagram Protocol (UDP): This protocol transfers user data. UDP is defined in RFC 768 [26]. Figure 5.1.2.2-1: User Plane for eNodeB – S-GW NOTE: Refer to TS 36.300[ Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2 ]  [5] for the corresponding user plane for the HeNB Subsystem - S-GW.