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A data transmission method and device

A data transmission method and data transmission channel technology, applied in the field of communication, can solve the problems of wasting available channels, affecting system performance, etc., and achieving the effect of effective bandwidth resources

Active Publication Date: 2018-04-10
HUAWEI TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In actual data transmission applications, since it is necessary to ensure that the data volume of the data link layer message unit is an integer multiple of the data transmission channel, when a single channel failure occurs on the bus, if this bus self-healing technology is used, it needs to be doubled. Modify the data transmission channel, so that the bandwidth will be reduced to at least 1 / 2 of the original, which seriously affects the system performance and wastes a lot of available channels

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  • A data transmission method and device
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  • A data transmission method and device

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Embodiment Construction

[0047] An embodiment of the present invention provides a data transmission method, which is used for adaptively adjusting the transmission mode of a data unit according to the situation of the full bandwidth transmission channel when the full bandwidth transmission channel fails.

[0048] The following briefly describes the system architecture applied to the data transmission method in the embodiment of the present invention, and will describe the protocol module and the control module of the sending end (source module) and the receiving end (target module) respectively.

[0049] 1. The protocol module of the sender;

[0050] The fault-tolerant protocol is mainly designed from all levels of transmission (including physical layer, data link layer, transport layer and transaction layer) to ensure that the transmission process is efficient and error-free. At the same time, when an error occurs during transmission, a certain self-healing ability is required to ensure the normal op...

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PUM

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Abstract

The embodiment of the invention discloses a data transmission method, which is used for adaptively adjusting the transmission mode of the data unit according to the situation of the full bandwidth transmission channel when the full bandwidth transmission channel fails. The method in the embodiment of the present invention includes: detecting the full-bandwidth transmission channel of the bus; if the full-bandwidth transmission channel fails, and the number of failed full-bandwidth transmission channels is less than or equal to the M, then the fault-free full-bandwidth transmission channel Select N full-bandwidth transmission channels in the transmission channel to transmit data units; if the full-bandwidth transmission channel fails, and the number of failed full-bandwidth transmission channels is greater than the M, then according to the full-bandwidth transmission channel that has not failed The number of channels and the target number of ticks reconfigure the size of the data unit.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data transmission method and device. Background technique [0002] The bus is a common channel for transmitting information between various functional components of the computer. It is a transmission harness composed of wires. According to the type of information transmitted by the computer, the bus of the computer can be divided into a data bus, an address bus and a control bus. Transfer data, data address and control signals. The bus is an internal structure. It is a common channel for the CPU, memory, input devices, and output devices to transmit information. The various components of the host are connected through the bus, and the external devices are connected to the bus through the corresponding interface circuits, thus forming a computer. hardware system. [0003] The bandwidth of the bus affects the quality of service of the system, and the decrease of the bus bandwi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/22H04L1/24H04L12/40G06F13/14H04L45/243H04L45/28
CPCH04L1/0007H04L1/22H04L12/40176H04L47/10H04L2001/0094H04L45/28H04L45/245H04L61/2592H04L69/324H04L69/326
Inventor 胡杏胡瑜单书畅李晓维
Owner HUAWEI TECH CO LTD