Signaling of protocol data unit set information

An apparatus for wireless communication at a second network node, comprising:

• one or more memories;
• and
• one or more processors, coupled to the one or more memories, the one or more processors individually or collectively configured to configured to cause the apparatus to:
• transmit, to a user equipment (UE) during a first time period, at least one packet of a first protocol data unit (PDU) set, the at least one packet of the first PDU set comprising PDU set information associated with a second PDU set;
• receive, from the UE, extracted PDU set information associated with the PDU set information;
• receive, from a first network node during a second time period that occurs subsequent to the first time period, at least one packet of the second PDU set;
• and
• transmit, in association with the extracted PDU set information, the at least one packet of the second PDU set.