Multi-channel concurrent transmission method and system based on data packet numbers

Abstract

The invention provides a multi-channel concurrent transmission method and system based on data packet numbers. According to the method and the system, the target file is crushed, and then a pluralityof corresponding fragment data packets is obtained; locking processing related to a mutual exclusion lock is carried out on each fragment data packet, and then data packet number information corresponding to each fragmented data packet is obtained; transmission timeout judgment processing is performed on each fragment data packet, and then corresponding transmission arrival sequence information among different fragmented data packets is determined; and, based on the data packet number information and the transmission arrival sequence information, recombination processing is performed on a plurality of corresponding fragment data packets. According to the method and the system, locking processing and transmission timeout judgment processing are simultaneously carried out on fragmented datapackets to respectively obtain data packet number information and transmission arrival sequence information about different fragmented data packets, therefore, wrong numbering caused by single numbering processing on the fragment data packet is avoided, and the recombination accuracy and the recombination efficiency of the fragment data packet are improved.

Description

technical field [0001] The invention relates to the technical field of multi-link network data transmission, in particular to a multi-channel concurrent transmission method and system based on data packet numbers. Background technique [0002] At present, the multi-link transmission of files in a multi-link network is mainly to break the file into multiple fragmented data packets, and then transmit the different fragmented data packets separately through different transmission links, and finally, all the fragmented data packets are transmitted separately. After the packets are all transmitted, all fragmented packets are reassembled to restore the file. It can be seen that the multi-link network can effectively and quickly transmit large-capacity files, thereby ensuring file transmission efficiency and integrity performance. In the actual transmission process, due to the different data transmission rates of different transmission links in the multi-link network, different fr...

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Problems solved by technology

[0003] Aiming at the defects existing in the prior art, the present invention provides a multi-channel concurrent transmission method and system based on data packet numbering. The multi-channel concurrent transmission method and system based on data packet numbering processes target files to obtain corresponding A number of fragmented data packets, and perform multi-link concurrent transmission of several fragmented data packets, and lock each fragmented data packet on a mutex, so as to obtain the data packet number information corresponding to each fragmented data packet. Each fragmented data packet is subjected to transmission timeout judgment processing, so as to determine the corresponding transmission arrival sequence information of different fragmented data packets, and based on the data packet number information and transmission arrival sequence information, the corresponding number of fragmented data packets are reassembled. The method and system perform locking processing and transmission timeout judgment processing on the fragmented data packets at the same time to respectively obtain data packet number information and transmission arrival sequence information about different fragmented data packets, thereby avoiding errors caused by performing single numbering processing on the fragmented data packets Numbering, to improve the reassembly accuracy and reassembly efficiency of fragmented data packets, and at the same time effectively prevent coding repetition and coding operations from falling into an infinite loop during multi-link transmission, and effectively solve fragmented data in multi-link concurrent transmission The problem of packet disorder and low transmission efficiency

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