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File transmission method and system supporting breakpoint resume

A technology of file transfer and resumable transfer, which is applied in the field of file transfer, can solve the problems of accuracy and low transfer efficiency, and achieve the effect of avoiding data transfer errors and ensuring accuracy and efficiency

Inactive Publication Date: 2020-03-27
中电装备山东电子有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to provide a file transfer method and system that supports resuming from breakpoints, aiming to solve the problems of low accuracy and low transmission efficiency in the file transfer process in the prior art, realize resuming from breakpoints in file transfer, and ensure Accuracy and efficiency of large file transfer between devices, avoiding data transfer errors

Method used

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  • File transmission method and system supporting breakpoint resume
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Embodiment Construction

[0025] In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily lim...

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Abstract

The invention provides a file transmission method and system supporting breakpoint resume. According to the invention, a starting end divides a to-be-transmitted file into a plurality of data segments, and sends the file feature information to a receiving end; the starting end positions a file sending starting position to the beginning of the file, and sends the segmented data to a receiving end in sequence, starting and verifying the file feature information returned by the receiving end; when file transmission is interrupted, the starting end positions the file sending starting position to the data segment position of last transmission interruption and resends the file, breakpoint resuming of file transmission is achieved, accuracy and high efficiency of large file transmission between devices are guaranteed, and data transmission errors are avoided.

Description

technical field [0001] The invention relates to the technical field of file transmission, in particular to a method and system for file transmission supporting resumable transmission from breakpoints. Background technique [0002] In communication applications, file transfers between devices happen all the time. Breakpoint resuming refers to dividing the downloaded or uploaded data stream into several parts, and each part uses a separate thread for uploading or downloading. When a network failure occurs, the uploading and downloading can be continued from the part that has already been uploaded or downloaded. Thus, network transmission time can be saved and transmission efficiency can be improved. In practical applications, errors will inevitably occur due to various reasons such as communication anomalies and data errors during the file transfer process, which will affect the accuracy and efficiency of the transfer. How to accurately and efficiently transfer files between...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L1/00
CPCH04L1/0061H04L67/06
Inventor 刘孟臣于泳黄菁菁朱德良王利宁王先强刘培高嘉皓董其泉张珊珊周生存师晓萌刘升刘慧李亮
Owner 中电装备山东电子有限公司
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