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In 5G era, the development of MEC is motivated by the rising requirement of high bandwidth and low latency network. Both 2B business concentrated on industry applications and emerging 2C business require higher standard of network.

Sprouted from 4G era, edge computing has already been completely integrated into the basic network architecture in 5G era. It even becomes the trump card of developing network business.

Recently, 3GPP convened the RAN#94-e meeting to confirm the first batch of projects approval based on 3GPP R18 from December 6th to December 17th, 2021.

The crucial network element in 5GC -- UPF (User Plane Function) is in charge of forwarding the data. Therefore, the total function of 5GC even the whole 5G network is influenced by the capability of UPF.

UPF (User Plane Function), the network element in user plane, takes the place of S-GW and P-GW to transmitting and routing in user plane.

A growing number of use cases – for example, connected vehicles travelling multi-nationally, cross-border IoT-enabled freight movement, and, eventually, movement between private networks and international business sites, among others – will come to rely o

Evolved from LTE and LTE-Advanced network, 5G has the new network architecture and may be applied in all industries in the near 20 years. Although the commercial launch of 5G is still in the preliminary stage, 5G has already been applied in IoT.

N26 interface is an inter-Core Network interface between the MME and 5GS AMF in order to enable interworking between EPC and the NG core.

Since the release of 5G licenses in China from 2019, the commercial 5G deployment has been accelerated rapidly, but for operators, there are still three urgent problems to be solved urgently.