Method, device and system for realizing congestion control

A technology for congestion control and transmission rate, which is applied in the field of congestion control and can solve problems such as poor congestion control effect.

Active Publication Date: 2021-05-18
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a method, device and system for implementing con

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  • Method, device and system for realizing congestion control
  • Method, device and system for realizing congestion control
  • Method, device and system for realizing congestion control

Examples

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Embodiment approach

[0109] Such as Figure 4A As shown, in this example embodiment, communication device 110A sends data stream 11 and data stream 12 to communication device 110B through network devices 130A, 130E, 130B, and communication device 110C sends data stream 110D to communication device 110D through network devices 130D, 130E, 130C. data flow 21. Network device 130E is a congestion control point.

[0110] Such as Figure 4B As shown, this example implementation includes the following steps.

[0111] Step 401: Communication device 110A sends data stream 11 and data stream 12 to communication device 110B through network device 130E.

[0112] Step 402: The communication device 110C sends the data stream 21 to the communication device 110D through the network device 130E.

[0113] In this example embodiment, it is assumed that network device 130E sends data flows 11, 12, and 21 through the same queue on the same egress port.

[0114] Step 403 : the network device 130E executes the meth...

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Abstract

Disclosed in an embodiment of the present invention is a method for realizing congestion control. The method comprises the steps of acquiring congestion control information of a first network device, the congestion control information comprising a total bandwidth of a first egress port of the first network device and a number of active flows corresponding to a first queue of the first egress port, and determining a transmission rate of a first data stream in the active streams according to the congestion control information, the transmission rate being positively correlated with the total bandwidth and negatively correlated (such as inversely proportional) with the number of the active streams, and the transmission rate being used for a transmission device of the first data stream to transmit the first data stream. The information for determining the data flow sending rate comprises the total bandwidth of the output port of the network equipment and the number of the active flows corresponding to the queue of the output port, so that the condition of the network equipment can be accurately reflected, and congestion control can be effectively realized according to the sending rate determined by the implementation mode.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a method, device and system for implementing congestion control. Background technique [0002] In communication networks, network congestion is an important factor affecting network performance. Congestion control has always been an important means to ensure the quality of network service. [0003] A common method for congestion control is that the receiving device of the data stream determines the sending rate of the data stream according to the bandwidth usage of the ingress port, and sends the sending rate to the sending device of the data stream, and then the sending device determines the sending rate according to the sending rate Send the data stream. [0004] The state of the receiving device cannot accurately reflect the network condition, so the transmission rate determined according to this method cannot accurately perform congestion...

Claims

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Application Information

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IPC IPC(8): H04L12/825
CPCH04L47/25H04L47/263H04L45/20H04L47/2483H04L47/521H04L47/6215
Inventor 张亚丽袁朝霞刘孟竹夏寅贲
Owner HUAWEI TECH CO LTD
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