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Data transmission method and device

A data transmission method and a technology of a data transmission device, which are applied in the field of communication, can solve problems such as low effective utilization of transmission resources, and achieve the effect of ensuring stability and integrity

Inactive Publication Date: 2021-02-05
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, in the above cases, the effective data transmitted between the sender and the receiver will be reduced, and the effective utilization of the transmission resources between the two is low

Method used

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  • Data transmission method and device

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present disclosure with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present disclosure.

[0032] The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present disclosure, unless otherwise specified, "plurality" means two or more.

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Abstract

Provided are a data transmission method and device, which relate to the field of communications and reduce occupation of bandwidth resources by storing a data packet in a cache server. According to the specific scheme, the method comprises the following steps: sending at least one data packet to a receiving end, wherein the data packet is stored in a cache server; and receiving an identifier fromthe receiving end, wherein the identifier is used for representing the data packet lost by the receiving end.

Description

technical field [0001] The present disclosure relates to the communication field, and in particular, to a data transmission method and device. Background technique [0002] In the prior art, when it is determined that a data packet is lost during network transmission, the sender needs to occupy new bandwidth resources to retransmit the data packet. In this way, the amount sent by the sender becomes the transmission packet data plus the packet loss data. [0003] However, the size of the bandwidth between the sending end and the receiving end is usually preset (that is, a preset value). Moreover, due to background traffic, noise, and other factors, the available bandwidth between the sender and receiver may be smaller than a preset value. In this way, in the above situation, the effective data transmitted between the sending end and the receiving end will be reduced, and the effective utilization rate of transmission resources between the two is low. Contents of the inven...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/26
CPCH04L67/10H04L43/0829H04L67/568
Inventor 王彬
Owner CHINA UNITED NETWORK COMM GRP CO LTD