*6.1.4 3G/4G communication networking scheme*

This networking scheme means that both the user side and the data center use 3G/4G communication to connect to the Internet and achieve interconnection between them. When a business relationship is established between multiple users, the information flow is delivered to the destination device through the Internet. However, since the data stream must pass through both 3G/4G and public network bottlenecks while sharing the public network bandwidth, the actual available bandwidth is reduced when the 3G/4G signal is weak or public network resources are insufficient. The upstream and downstream bandwidth may also be asymmetric. Therefore, the bandwidth stability using this networking method is poor, which can negatively impact applications that require two-way audio/video interaction.
