Author: Anthony Webb

Mobile traffic using GPRS Tunnelling Protocol (GTP) has exploded over the last couple years, largely due to elimination of international roaming price barriers that previously discouraged subscribers from using the service. Global international roaming traffic – voice and data – is expected to grow 32X by 2022 and to reach over 1.5 Mb per subscriber annually. How will GTP and roaming change with 5G and what will operators need to do to secure that traffic and their network? This post describes roaming and its use of GTP and discusses the evolution of GTP and roaming in 5G, rise of new…