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Data downloading method and device

A data download and data packet technology, applied in the field of communication, can solve the problem of unreliable multicast transmission data, and achieve the effect of solving unreliability

Pending Publication Date: 2021-10-12
SHENZHEN IPANEL TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the TS data stream has the characteristics of data delivery, carousel and unitary data transmission, and the TS specification itself has a verification mechanism, it solves the problem of unreliable multicast transmission data

Method used

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  • Data downloading method and device

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Embodiment Construction

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0038] The embodiment of the present invention discloses a data download method and device. The server searches for the data file to be downloaded according to the download request sent by the client, splits the data file to be downloaded, obtains N data packets, and adds Get the target data packet by uploading the data packet index, based on the Section, encapsulate each target data packet into TS format to obtain M TS packets, pack the preset number of TS pac...

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Abstract

The invention discloses a data downloading method and device, and the method comprises the steps that a server searches for a to-be-downloaded data file according to a downloading request sent by a client, splits the to-be-downloaded data file to obtain N data packets, adds a data packet index to each data packet to obtain a target data packet, packages each target data packet into a TS format based on Section to obtain M TS packets, packages a preset number of TS packets into a UDP packet, and circularly broadcasts TS data streams in the UDP packet to the client according to an index sequence; the client analyzes each piece of payload data from the TS data streams, and stores the payload data passing verification to a preset file position, until all the payload data passes the verification and is stored to the preset file position. As the TS data stream has the characteristics of data issuing carousel and data transmission unitization, and the TS specification has a verification mechanism, the problem of unreliability of multicast data transmission is solved.

Description

technical field [0001] The present invention relates to the technical field of communications, and more specifically, to a data downloading method and device. Background technique [0002] With the continuous development of the Internet, network data has become more and more abundant and diverse. The data or information in people's work and study can basically be obtained from the Internet, and data interaction based on the Internet has become indispensable. [0003] When people need some network data, they can usually download the data to the current operating terminal through the download application on the terminal. [0004] In the network data downloading process, in order to ensure reliable downloading of data, HTTP (HyperTextTransfer Protocol, Hypertext Transfer Protocol) is usually used to broadcast data, combined with TCP / IP (Transmission Control Protocol / Internet Protocol, Transmission Control Protocol / Internet Protocol). However, when using HTTP to broadcast data,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L67/06H04L67/146H04L69/164H04L69/22
Inventor 徐佳宏黄小兵
Owner SHENZHEN IPANEL TECH LTD
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