| 摘要 |
The stream proxy server of the present invention includes a network information acquisition unit, a transport layer protocol control unit capable of transmitting and receiving data by using a plurality of transport layer protocols having a flow control function and different band sharing characteristics, a reception rate control unit for reading data at a rate determined by the transport layer protocol control unit, and a prefetch control unit for determining a rate of contents acquisition from an origin server and a transport layer protocol to be used based on information obtained from the network information acquisition unit and a buffer margin, and notifying the reception rate control unit of the determined rate and notifying the transport layer protocol control unit of the transport layer protocol to be used.
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