Data forwarding method and access point device

A technology of an access point device and a forwarding method, which is applied in data exchange network, data exchange through path configuration, digital transmission system, etc. The effect of improving data forwarding efficiency and shortening data forwarding paths

Active Publication Date: 2010-10-27
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] It can be seen that although the second intercommunication method can overcome the defects of the first intercommunication method, each time the communication between two APs is forwarded by the AC, the performance requirements of the AC are relatively high, and the processing burden of the AC will be increased.

Method used

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  • Data forwarding method and access point device
  • Data forwarding method and access point device
  • Data forwarding method and access point device

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0030] Depend on figure 2 As can be seen from the data forwarding process shown, the original message sent from the source STA to the destination STA generally only includes information such as source MAC, destination MAC, source IP, and destination IP. After the source AP receives the message sent by the source STA, It has no way of knowing to which AP the message should be forwarded, and it can only hand the message to the AC for processing, and the AC determines the AP corresponding to the destination STA and forwards it.

[0031] In the present invention, in order to realize the direct forwarding of data messages between APs, the AC can be selected to inform the AP of the learned STA and the AP information corresponding to the STA, and create a reco...

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Abstract

The utility model relates to a method for data forward, which is suitable for the message transmission between STA. The method is characterized in comprising a forward table for recording the corresponding relationship of STA and AP is arranged on the AP; the source AP can search whether the AP corresponding to the target STA is existed in self forward table after receiving the message emitted tothe target STA by the source STA; if existed, the received message can be forwarded directly to the AP corresponding to the target STA for processing; if not existed, the received message can be forwarded to AC for processing. In addition, the utility model also provides an access point device. With the technical proposal, the utility model can lighten the AC processing burden and reduce the AC performance requirement.

Description

technical field [0001] The invention relates to wireless communication technology, in particular to a data forwarding method and an access point device. Background technique [0002] Wireless local area network (WLAN) is a network established in a local area using wireless communication technology. It is the product of the combination of computer network and wireless communication technology. Really realize anytime, anywhere, random broadband network access. [0003] FIG. 1 shows a schematic diagram of a typical WLAN network structure, which mainly includes: a wireless client (STA), an access point (AP), a wireless controller (AC) and a switch (SW). Among them, STA refers to a PC or portable notebook computer with a wireless network card, which is connected to the AP through a wireless channel; the AP provides the bridging function from the wireless user to the LAN, and performs wireless to wired and wired to wireless between wireless users and the LAN. AC controls and man...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/28H04L12/70
Inventor 杨琰周迪沈志祥
Owner NEW H3C TECH CO LTD
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