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Traffic management method and device based on aggregated links

A technology for traffic management and aggregating links, applied in the field of traffic management methods and devices based on aggregated links

Active Publication Date: 2020-12-22
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main technical problem to be solved by the present invention is to provide a flow management method and device based on aggregated links to solve how to manage the speed limit rate of each member port of the aggregated link group to effectively and rationally utilize the existing broadband resource problem

Method used

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  • Traffic management method and device based on aggregated links
  • Traffic management method and device based on aggregated links
  • Traffic management method and device based on aggregated links

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] See figure 1 As shown, the traffic management method based on aggregated links provided in this embodiment includes:

[0072] Step 101: For a characteristic flow stream A of the link aggregation group, assign a rate limit rate to each member port of the link aggregation group;

[0073] Before this step 101, a pre-configuration stage can also be set to enable or disable the self-adaptive adjustment function based on the link aggregation group through the corresponding configuration device configuration, that is, to enable or disable the opening or closing of the traffic management based on the aggregation link. closure;

[0074] A certain characteristic stream stream A in step 101 refers to a series of matching such as message type (such as broadcast, unicast, etc.), message priority (such as DSCP, Precedence, 802.1p, etc.), admission control list ACL, etc. Packet flow; in this step, at the beginning, for each member port of the link aggregation group for a certain cha...

Embodiment 2

[0116] This embodiment provides a traffic management device based on aggregated links, please refer to figure 2 shown, including:

[0117] The configuration module 1 is used for assigning a speed limit rate to each member port of the link aggregation group for a certain characteristic flow streamA of the link aggregation group;

[0118] A certain feature stream stream A in this embodiment refers to some matching such as message type (such as broadcast, unicast, etc.), message priority (such as DSCP, Precedence, 802.1p, etc.), admission control list ACL, etc. A series of data packet streams; in this step, configuration module 1 assigns the speed limit rate to each member port of the link aggregation group for a certain characteristic flow streamA of the link aggregation group, which can be distributed evenly or randomly. or other distribution methods, the following are only two methods of average distribution and random distribution as examples:

[0119] How to divide evenly...

Embodiment 3

[0155] In order to better understand the present invention, a specific application scenario is taken as an example below to further illustrate the present invention.

[0156] For the network topology of this example, see image 3 As shown, the routers R1 and R2 are connected through three Gigabit Ethernet ports, and the terminals PC1 and PC2 are respectively connected to the routers R1 and R2 through the Fei interface of the 100M Ethernet port. The configuration network segment of PC1 and R1 is 1.1.1.x / 24 , PC2 and R2 configure the network segment as 3.3.3.x / 24, configure the network segment between router R1 and R2 as 2.2.2.x / 24, connect through OSPF protocol, and perform link aggregation between ports Inf SG , thus realizing the data transmission between PC1 and PC2. right image 3 The traffic management process for the network topology shown is as follows:

[0157] 1. In the configuration stage, configure and enable the self-adaptive adjustment function of speed limit ba...

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Abstract

The invention discloses a traffic management method and device based on an aggregation link. After assigning a speed limit rate to each member port of the link aggregation group for a certain characteristic flow of the link aggregation group, the characteristic flow flow of each member port is counted. , and then determine the actual abnormal burst probability η of the feature flow in the link aggregation group according to the statistical results sudden Greater than the abnormal burst probability threshold λ sudden , and the rate limit rate of at least one member port of the link aggregation group is sufficient, the rate limit rate of the member ports of the link aggregation group is adjusted. The present invention can reasonably readjust the rate limit rate of the characteristic flow of each member port based on the actual traffic conditions of each member port after the member ports of the non-link aggregation group have allocated the rate limit rate, so the bandwidth resources of each member port can be fully utilized , which can improve the forwarding efficiency of the characteristic flow and improve the QoS guarantee.

Description

technical field [0001] The present invention relates to the field of communications, in particular to a traffic management method and device based on aggregated links. Background technique [0002] As the network scale continues to expand, operators have higher and higher requirements on the bandwidth and reliability of backbone links. In the traditional technology, it is common to replace a high-speed interface board or a device supporting a high-speed interface board to increase bandwidth, but this solution requires high costs and is not flexible enough. Using the link aggregation technology, the link bandwidth can be increased by bundling multiple physical interfaces into one logical interface without hardware upgrade. And the mechanism of load balancing and backup link is applied on the interface, which can further effectively improve the reliability of the link between devices. [0003] However, device port resources are always limited. As long as there are users robb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/801H04L12/807H04L47/27
Inventor 胡军王亚朋姜振宇
Owner ZTE CORP
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