Samsung Sds Co., Ltd.

Jin-Bum Hwang

Sung-Hak Song

Young-Ho Jang

Disclosed are a flow control apparatus and method. An apparatus for performing flow control in a software defined network (SDN) environment according to an exemplary embodiment includes a message receiving unit configured to receive a first packet processing inquiry message including a packet from a first switch and a control unit configured to determine whether there is a second proxy connected with a second switch and matching a first proxy connected with the first switch in response to the first packet processing inquiry message, instruct the first switch to transmit the packet such that the packet passes through the first proxy when it is determined that there is a second proxy, and instruct the first switch to transmit the packet such that the packet bypasses the first proxy when it is determined that there is no second proxy.

Apparatus and method for flow control

Provided are a data transmission apparatus and a method for the data transmission apparatus to transmit a plurality of packets constituting transmission data to a receiving end. The data transmission apparatus for transmitting a plurality of packets constituting transmission data to a receiving end includes a packet-specific weight calculator configured to calculate packet-specific weights of respective transmission-scheduled original packets at a current time point among the plurality of packets, a packet converter configured to generate one or more error recovery packets from the original packets according to the calculated packet-specific weights, and a transmitter configured to transmit the error recovery packets to the receiving end using a plurality of sessions capable of transmission.

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Namyangju-si, South Korea

Jin-Bum Hwang