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A document transmission method and transmission device

A file transfer and file technology, applied in the field of data communication, can solve the problems of zero compression efficiency, high compression rate, multiple compression and decompression time, etc.

Inactive Publication Date: 2009-10-07
BEIJING JIAODA SIYUAN SCI & TECH
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  • Summary
  • Abstract
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Problems solved by technology

[0004] However, the inventors of the present invention have found that if some data packets are compressed, their compression efficiency is very low (that is, the compression rate is high), or even the compression efficiency is zero; then for these data packets, the size before and after compression changes little , but it consumes a lot of compression and decompression time, resulting in reduced transmission efficiency

Method used

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  • A document transmission method and transmission device
  • A document transmission method and transmission device

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Embodiment Construction

[0029] The technical solution provided by the embodiment of the present invention is to first judge the compression of the data packet before the data packet is transmitted; The packet is compressed and then transmitted. At this time, due to the high compression rate of the transmission data packet, the data to be transmitted is greatly compressed, thereby saving the transmission time; Significant reduction, no compression processing, direct transmission, thus saving the compression time of the sender and the decompression time of the receiver, and improving the transmission efficiency as a whole.

[0030] The specific technical solutions of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0031] A file transfer method provided by an embodiment of the present invention, the flow chart is as follows figure 1 shown, including the following steps:

[0032] S101. The sender divides the file to be transmit...

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Abstract

The present invention relates to data communications field, especially relates to a technology for improving transmission efficiency in document transmission process. The invention provides a document transmission device and a method thereof, including: dividing the document to be transmitted into set size packets, determining compressibility of the packets; if the compressibility is less than a set value, then compressing the packet and transmitting; otherwise, transmitting the packet directly. Judging compressibility of the packet before transmission. If the compressibility is determined as low then compressing the packet and transmitting the packet, this moment, the data to be transmitter is compressed greatly and the transmission time is reduced; if the compressibility is determined as high, then transmitting the packet without compression so as to reduce a compression time of senders and a decompression time of receivers which improving transmission efficiency on the whole.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a technology for improving transmission efficiency during file transmission. Background technique [0002] With the development of network communication systems, frequent interactions are required between clients and clients, between clients and servers, or between servers and servers, and the interactive data is usually in the form of files It is transmitted in the network after being formed into a data packet. [0003] Before transmission, in order to increase the transmission speed and reduce the occupation of network resources, compression technology is widely used. After the data packet is compressed, if the compression efficiency is high (that is, the compression rate is low), the size of the compressed data packet will be significantly reduced, thereby improving the transmission speed and efficiency. [0004] However, the inventors of the present invention have found th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L29/08
Inventor 刘军余立华王斌陈喜明吴飞任斌吴小广
Owner BEIJING JIAODA SIYUAN SCI & TECH
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