Method and device for transmitting data

A technology for transmitting data and data streams, which is applied in the field of data transmission, and can solve the problems of large data transmission delay, long waiting time for the second service data stream to be transmitted, no redundant transmission bandwidth to transmit the second service data stream, etc., to meet the needs of business demand, reduce the waiting time for transmission, and reduce the effect of data transmission delay

Active Publication Date: 2021-07-09
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, the first service data flow is sent first through the arbitration of the MAC layer of the Ethernet output port. During the process of transmitting the first service data flow, the second service data flow is received through the MAC layer. The priority of the second service data flow must be The priority is higher than the first service data flow, but there is no extra transmission bandwidth for transmitting the second service data flow at this time, so the second service data flow can only be transmitted after the first service data flow is transmitted
In this way, if the data volume of the first service data flow is very large, it will cause the second service data flow to wait for a long time for transmission, which in turn will cause a relatively long data transmission delay, which cannot meet the requirements of relatively high data transmission delay in industrial Ethernet. Business needs of the business

Method used

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  • Method and device for transmitting data
  • Method and device for transmitting data

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Embodiment Construction

[0131] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0132] The embodiment of the present invention provides a method for transmitting data, which is applied to a high-speed Ethernet output port or a low-speed Ethernet output port (hereinafter collectively referred to as an Ethernet output port). The execution subject of the method may be a switch or a host, and the switch may It is obtained by upgrading the hardware of the physical layer or the MAC layer of the original switch. The hardware upgrade of the physical layer or the MAC layer can be done by using a new chip at the physical layer or flashing new codes. Similarly, for this host, you can It is obtained by upgrading the hardware of the physical layer or the MAC layer of the original network card in the host. The hardware upgra...

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Abstract

The present application provides a method and device for transmitting data, which belong to the technical field of communication. The method includes: obtaining multiple streams of encoded blocks, and based on a preset multiplexing sequence, distributing and processing the encoded blocks in the multiple streams of encoded blocks according to time slots to form one stream of encoded blocks, and performing processing on the encoded blocks of one stream. The stream is segmented and encapsulated to generate at least one frame. Through this application, the time delay of data transmission can be reduced.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method and device for transmitting data. Background technique [0002] In the current Ethernet scene, there are high-speed Ethernet ports and low-speed Ethernet ports, which can be collectively referred to as Ethernet ports. They all use Ethernet for data transmission. Ethernet is the most commonly used communication protocol standard in LANs. Logically, It can be divided into multiple layers, from top to bottom are link control layer, media access control (Media Access Control, MAC) layer and physical layer, and the physical layer can be divided into physical coding sublayer (Physical Coding Sublayer) from top to bottom -layer, PCS), physical medium attachment layer (Physical Medium Attachment, PMA) and physical media association layer (Physical Media Dependent, PMD), PCS also includes codec layer and scrambling layer, etc. [0003] When data is transmitt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L29/06
CPCH04L1/0071H04L69/06H04L69/22H04L12/2863H04L69/03H04L69/324H04L2212/00
Inventor 查敏张小俊楼喆
Owner HUAWEI TECH CO LTD
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