Application Notifications From Network For Throughput And Flow Control Adaptation

A method is provided including: inserting at least one link layer request message into a data stream to be transmitted by the apparatus, where the data stream corresponds to an application and comprises a plurality of data parts, and where the at least one link layer request message requests a status of a transmission of a first data part of the plurality of data parts from a first communication protocol of the apparatus; receiving a link layer response message indicative of the status of the transmission of the first data part from the first communication protocol; and controlling a flow of the data stream based on the link layer response message.