QoS Flow in 5G Network

In order to exchange user plane data between the UE and the Data Network (DN), a PDU session shall be established between the UE and the UPF. the User plane data moves through this established PDU Session.

This PDU Session contains one or more QoS Flows.

Each QoS Flow is having a different QoS profile, so that it can serve a certain set of applications.

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