What is the purpose of the PDU Set size parameter in the PDU Set metadata?
To determine the beginning and the end of a PDU Set
To specify the QoS Flow ID associated with the PDU Set
To indicate whether or not a PDU is the last PDU of a certain PDU Set
To identify the position of each received PDU within the PDU Set
To identify when a PDU Set ends to allocate the appropriate amount of radio resources