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Method, system and related device for access point to discover wireless controller

A wireless controller, access point technology, applied in the field of network communication, can solve problems such as no longer applicable

Active Publication Date: 2020-06-26
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For the case where the AC is deployed in the cloud, this cross-public network environment makes the existing mechanism for APs to discover ACs no longer applicable

Method used

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  • Method, system and related device for access point to discover wireless controller
  • Method, system and related device for access point to discover wireless controller
  • Method, system and related device for access point to discover wireless controller

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Embodiment Construction

[0062] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0063] figure 1It is a system architecture diagram based on the present invention, and the system mainly includes: LB (load sharing device), cloud AC cluster and AP. Among them, the LB and the cloud AC cluster are both set in the cloud. The LB and the cloud AC cluster can be located on the same server, or they can be located on different servers. The ACs in the cloud AC cluster can also be located on the same server, or they can be located on different servers. , and may even be located in different regions, for example, some ACs are located in Beijing, some ACs are located in Shanghai, and so on. As a preferred implementation, the cloud AC cluster and LB are deployed on virtual machines in the shared cloud. At this time, each AC in the cloud AC ...

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Abstract

The invention provides an AC discovery method and system by an AP and related devices. The AP sends a discovery request message to a load controller (LB), the LB distributes an AC to the AP from a cloud-end AC cluster, the address information of the AC is returned to the AP, and according to the address information of the AC, the AP requests for connection to the AC. The method, system and devices are suitable for a cross-public-network environment in which the AC is disposed in the cloud-end environment.

Description

【Technical field】 [0001] The present invention relates to the technical field of network communication, in particular to a method, a system and a related device for an AP (access point) to discover an AC (wireless controller). 【Background technique】 [0002] LAN (local area network, Local Area Networks) is mainly composed of AC (Access Controller, wireless controller) and AP (Access Point, wireless access point), in which AC is responsible for managing and controlling AP, and AP provides the bridging function from wireless clients to LAN . After the AP is powered on, it needs to discover and connect to the AC. Currently, there are two ways for the AP to discover the AC: [0003] One is the broadcast discovery mechanism, that is, the AP broadcasts a discovery request message in the LAN, and the AC in the LAN replies with a response containing its own IP address after receiving the discovery request message. [0004] The other is the unicast discovery mechanism, that is, the...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/10H04W84/12H04W88/12H04W28/08
CPCH04W28/08H04W84/12H04W88/12
Inventor 邓高亮廖小猛
Owner ALIBABA GRP HLDG LTD