| 摘要 |
PROBLEM TO BE SOLVED: To provide a content transmission device which improves transmission efficiency of a large-capacity contents in long-distance transmission without deviating from procedures of TCP/IP. SOLUTION: In a transmission-side device 1100, a content file is delivered to a file division part 1103 through an application interface part 1102 and is divided into divided files of such a size that each divided file can be transmitted in one window size, and a file parallel transmission part 1104 requests sequential parallel transmission of respectively divided files to a TCP/IP processing part 1106 at a transmission timing reported from a transmission timing generation part 1105 at certain intervals. Thus the transmission-side device can transmit one divided file during waiting for acknowledgement from a reception-side device about another divided file, and transmission of some data packet is always continued on a network. COPYRIGHT: (C)2004,JPO
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