NG-RAN; PDU session user plane protocol
The present document specifies the PDU Session user plane protocol being used over the NG-U, Xn-U and N9 interfaces. Applicability to other interfaces is not precluded.
The present document also specifies the PDU Set Information user plane protocol being used over the NG-U, Xn-U, F1-U and N9 interfaces. Applicability to other interfaces is not precluded.