Method, equipment and system for controlling network congestion

A technology for network congestion and control methods, applied in the field of network communication, can solve the problems of low network utilization, failure to reflect user wishes, and failure to effectively alleviate the congestion of the entire link, so as to improve network utilization and alleviate congestion. Effect

Inactive Publication Date: 2013-01-09
HUAWEI TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The existing congestion control technology can only reflect the congestion of a single node in the network, and cannot effectively alleviate the congestion of the entire link
The existing admission control algorithm cannot reflect the user's wishes, and the network utilization rate is not high

Method used

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  • Method, equipment and system for controlling network congestion
  • Method, equipment and system for controlling network congestion
  • Method, equipment and system for controlling network congestion

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Embodiment Construction

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] figure 1 It is a schematic flow diagram of the method of the first embodiment of the present invention, including:

[0029] Step 11: The ingress network node obtains the congestion judgment parameter and the input reference rate corresponding to the data flow, the congestion judgment parameter is determined according to the accumulati...

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Abstract

The invention provides a method, equipment and a system for controlling network congestion. The method comprises that a congestion judge parameter and an input reference speed corresponding to data flow are obtained by an entrance network node, the congestion judge parameter is determined according to accumulated matters, and the input reference speed is the most excellent solution which guarantees the non-congestion of a network; and occurrence of the network congestion is judged according to the congestion judge parameter by the entrance network node, and if the network congestion occurs, according to SLA (service level arrangement) information corresponding to the input reference speed and the data flow, the data flow is subjected to network congestion control. By the adoption of the method, the equipment and the system of the embodiment, the situation of congestion on an overall chain can be effectively relieved, aspiration of a user can be reflected, and the network utility is high.

Description

technical field [0001] The invention relates to network communication technology, in particular to a network congestion control method, device and system. Background technique [0002] Network congestion is a relatively prominent problem in today's network, and it is extremely important to use congestion control to ensure network quality of service (Quality of Service, QoS). Network congestion can be manifested as increased packet delay, increased packet loss rate, and decreased upper-layer application performance. [0003] Existing congestion control technologies can be divided into two categories according to the position of congestion control in the network layer, one is based on source-side transmission control protocol (Transport Control Protocol, TCP) congestion control, which is implemented in hosts and network edge devices; One is network-based IP congestion control, which is implemented in network devices. Network congestion control can also be called admission co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/24
CPCH04L12/24H04L47/11H04L47/2425H04L29/06
Inventor 张登银陈齐标程春玲李正
Owner HUAWEI TECH CO LTD
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