Datagram network transmission method suitable for forward error correction and encryption application

A network transmission, forward error correction technology, applied in the direction of digital transmission system, transmission system, error prevention, etc., can solve the problems of low validity of transmitted data and low efficiency of network transmission execution, so as to reduce processing time and avoid network transmission. Inefficiency, the effect of improving efficiency

Inactive Publication Date: 2013-12-25
JIANGSU LEMOTE TECH CORP
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

For each data message, the invalid data is filled at the sending end, and the invalid data is excluded at the receiving end, so that the execution efficiency of the entire network transmission is low, and the validity of the transmitted data is also low.

Method used

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  • Datagram network transmission method suitable for forward error correction and encryption application

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the examples, but not as a limitation of the present invention.

[0012] See figure 1 , at the sending end of the data, the length of the data to be sent varies, some are long and some are short. Use the packing function to reassemble multiple original data packets and divide them according to the specified length to generate new data packets. Multiple shorter original packets are spliced ​​and then split, while a longer original packet is directly re-segmented into new packets. When an original data packet arrives, fill it into a new data packet that has not reached the specified length. If the original data packet is too long to be completely filled into the new data packet, a new data packet will be created , put the unfilled part of the original data packet into the data packet. Each original data packet is processed sequentially. If the data length in the last data packet does not reach th...

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Abstract

The invention discloses a datagram network transmission method suitable for forward error correction and encryption application. The method comprises the steps that a sending end carries out preprocessing and sending on the data to be sent, a receiving end carries out reversed preprocessing on the received data, a plurality of data packages are spliced and divided according to data with equal length before the sending end carries out preprocessing on the data to be sent, the received data packages are spliced and the original data packages are extracted after the receiving end carries out reversed preprocessing on the received data, the preprocessing comprises the steps of generating at least one of forward error correct codes and encryption processing, and the reversed preprocessing comprises the steps of processing at least one of the forward error correct codes and the encryption processing. The transmission method reduces or eliminates the filling of invalid data, therefore processing aiming at the invalid data is reduced or eliminated, and transmission efficiency is improved.

Description

technical field [0001] The invention relates to a datagram network transmission method, in particular to a datagram network transmission method suitable for forward error correction and encryption applications. Background technique [0002] Forward error correction technology is used to improve the reliability of network transmission, while encryption technology is used to ensure the confidentiality of transmission. [0003] Most implementations of these two techniques require that the data to be processed be divided into equal-sized chunks. However, in reality, for network transmission in the form of datagrams (such as udp protocol), the messages can be long or short. Therefore, during processing, invalid data needs to be filled for data packets with insufficient length. For each data packet, invalid data is filled at the sending end, and invalid data is excluded at the receiving end, so that the execution efficiency of the entire network transmission is low, and the vali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L9/00
Inventor 张福新陈杰王锐吴少刚张斌晏华
Owner JIANGSU LEMOTE TECH CORP
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