5G Core Part 3 — User Plane and GTP-U Tunnels

Kawailoa Beach, North Shore, Walalua, O’ahu, Hawaii, USA [© F2017]

Introduction

We show in the 5GC Part 2 — PDU Session Establishment and Call Flow of this series of 5G articles that after a UE (e.g., 5G smartphone) successfully completes its Registration and PDU Session Establishment procedures to a DN in a 5G System (5GS), a PDU Session with a Default QoS Flow is created between the UE and the DN. A bidirectional user plane paths are created…