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Method for dynamically balancing broadband access server load in wireless local area network

A technology for accessing servers and wireless local area networks, applied in the field of dynamic load balancing of broadband access servers, which can solve problems such as inability to achieve load balancing, inability to share BAS1 traffic, and inability to share BAS2 traffic, etc., to achieve dynamic and balanced load effects

Inactive Publication Date: 2010-07-14
北京傲天动联技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Although the aforementioned VRRRP achieves a certain amount of data flow sharing through mutual backup and achieves the effect of load balancing, it still cannot achieve the effect of dynamic load balancing, that is, when the traffic on BAS1 becomes smaller and the traffic on BAS2 remains unchanged , BAS1 cannot share the traffic of BAS2, and when the traffic on BAS2 becomes smaller and the traffic of BAS1 remains unchanged, BAS2 cannot share the traffic of BAS1

Method used

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  • Method for dynamically balancing broadband access server load in wireless local area network
  • Method for dynamically balancing broadband access server load in wireless local area network
  • Method for dynamically balancing broadband access server load in wireless local area network

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Embodiment approach

[0024] Image 6 It is a sequence diagram for illustrating a dynamic load balancing mechanism in centralized data forwarding of a wireless local area network based on a thin AP architecture according to an embodiment of the present invention. exist Image 6 In the dynamic load balancing mechanism shown, there is no limitation on the protocol used by the AC to obtain the performance data of the BAS and the acquisition method. For example, the AC may actively query the BAS, or the BAS may periodically report to the AC. Also, the format of the performance data is not limited.

[0025] In step (1), after the AP starts up, it establishes a control tunnel and a data tunnel with the AC. Here, there is no limitation on how the AP discovers the AC.

[0026] In step (2), the wireless user STA 1 goes online and associates with the AP.

[0027] Then in step (3), the AP notifies the AC of the fact that STA1 has gone online.

[0028] At this time, the AC decides that STA1 is authenticat...

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Abstract

The invention discloses a method for dynamically balancing broadband access server load in the wireless local area network. The wireless local area network is composed of a wireless controller (Access Controller, AC), a wireless access point (Access Point, AP) and a virtual router composed of multiple broadband access servers (Broadband Access Server, BAS); the method comprises the following steps: when users access the wireless local area network, the AP informs about the user access to the AC and the AC determines a certain BAS according to multiple BAS performance data for forwarding data from the users.

Description

technical field [0001] The invention relates to a load balancing method in a wireless local area network, in particular to a dynamic balancing method for a broadband access server load in a wireless local area network based on a thin AP architecture. Background technique [0002] The product architecture of a wireless local area network (Wireless LAN, WLAN) has evolved from a single autonomous wireless access point (Access Point, AP) to a centralized control system composed of a wireless controller (Access Controller, AC) and an AP. Generally, a single autonomous AP is called a fat AP, and an AP in a control system composed of an AC and an AP is called a thin AP. The purpose of this evolution is to separate access control, including authentication and confidential communication, mobility management, and radio frequency management, from a single AP, and be centrally controlled by the AC. [0003] There are two mechanisms for data forwarding in a thin AP-based WLAN: centraliz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08H04W84/12
Inventor 韦安营姚力勇刘靖非范成龙
Owner 北京傲天动联技术有限公司
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