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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 data packet loss, and achieve the effect of complete data transmission

Inactive Publication Date: 2017-03-08
ZTE CORP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The present invention provides a data transmission method and device to solve the problem of data packet loss during the link switching process in the related art

Method used

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  • Data transmission method and device

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Embodiment Construction

[0033] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0034] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

[0035] In this embodiment, a data transmission method is provided, figure 1 is the flow of the data transmission method according to the embodiment of the present invention Figure 1 ,like figure 1 As shown, the process includes the following steps:

[0036] Step S102, determining that the first data sent by the first network element has not been received from the first link within a first predetermined time, wherein the first link is also used to s...

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Abstract

The invention provides a data transmission method and device. The data transmission method comprises the steps of determining first data sent by a first network element are not received from a first link within first predetermined time, wherein the first link is further used for sending second data to the first network element; using a second link to send the second data; and after using the second link to send the second data, stopping using the first link to send the second data. The data transmission method provided by the invention solves the problem of data packet dropout during the process of link switching in the related technology, thereby reaching an effect of data complete transmission in the process of link switching.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a data transmission method and device. Background technique [0002] In the current Internet Protocol (IP for short) network, traffic (that is, data) is transmitted in the network in the form of a data packet encapsulated in an IP message header. To ensure the reliability of traffic transmission, active and standby link protection is basically deployed in all carrier networks and enterprise networks. Through the protection of the active and standby links, the reliable transmission of traffic can be basically guaranteed. However, when operators and enterprises have master-standby cutover requirements or test master-standby switchover, data packet loss will occur. In related technologies, if the master / standby is switched over by pulling out the optical fiber, the disconnection of the optical fiber at the physical level cannot guarantee that the traffic will not be lost. When ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/711H04L12/24H04L45/247
CPCH04L41/0668H04L45/22H04B1/74
Inventor 谢勇赵科强高鹏杨扬
Owner ZTE CORP
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