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Data transmission method, device and computer storage medium

A data transmission method and equipment technology, which is applied in the field of communication, can solve problems such as increasing network delay, and achieve the effect of low delay and high throughput

Active Publication Date: 2021-12-31
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

"Push" means that after the source node receives the amount of data fed back by the destination node, it can send data to the destination node according to the authorized amount of data; this method has a negotiation process of "pull" request response, which increases the network delay

Method used

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  • Data transmission method, device and computer storage medium
  • Data transmission method, device and computer storage medium
  • Data transmission method, device and computer storage medium

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Embodiment Construction

[0047] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings of the present invention.

[0048] The inventor of the present application discovered during the process of filing the present application that the goal of the DCN network is to meet the requirements of high throughput and low delay at the same time. In the prior art, in order to realize the goal of the DCN, common flow control (ie, data transmission control) methods include active flow control and passive flow control. When it is applied to network equipment (specifically network intermediate equipment, such as routers), the first network index pursued is high throughput, and network congestion is not allowed to cause packet loss. At this time, the flow control method adopted by the network equipment is The active flow control method specifically has the following two implementations.

[0049] The first option:

[0050] S...

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Abstract

The embodiment of the present invention discloses a data transmission method, device, and computer storage medium, wherein the method includes: the first device obtains the congestion state of a transmission port, and the transmission port is when the second device transmits data to the first device, The communication port used by the first device, the congestion state is used to indicate whether data congestion occurs on the transmission port; if the mode switching condition is met, the indication information is sent to the second device, wherein the The instruction information is used to indicate switching of the transmission mode adopted by the second device to transmit data, so that the second device uses the switched transmission mode to transmit data to the first device, and the mode switching condition is the same as the Congestion state association for transport ports. By adopting the embodiment of the present invention, both high throughput and low delay performance of the network can be realized at the same time.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a data transmission method, device and computer storage medium. Background technique [0002] A data center network (Data Center Network, DCN) is a network applied in a data center, which is required to meet the requirements of high throughput and low latency. However, the throughput and delay of the network are two indicators that restrict each other, such as figure 1 A schematic diagram showing the influence of network load on throughput and delay respectively. Such as figure 1 , when the network load is less than the network saturation point, the network throughput increases with the increase of the load, and the delay also increases; after the network load is greater than the network saturation point, the network throughput decreases rapidly with the increase of the load, and the delay also increases accordingly. rapid growth. The purpose of data transmissio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L5/00H04L47/27H04L47/30
CPCH04L1/00H04L5/00H04L47/27H04L47/115H04L47/12H04L43/0805H04L43/0876H04L47/30H04L47/58
Inventor 刘小丽胡农达曹政
Owner HUAWEI TECH CO LTD