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Virtual-link set-up method and apparatus

A method for establishing virtual links and a technology for establishing virtual links, which are applied in the field of virtual link establishment devices, can solve problems such as not being able to satisfy the security mechanism and not being able to provide multiple links, and achieve the effect of enhancing business capabilities

Active Publication Date: 2006-10-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] The purpose of the present invention is to overcome the problem in the prior art that there can only be one link between a single STA and a single AP, and multiple links cannot be provided, so that different security mechanisms cannot be satisfied, and a virtual link is proposed A method for establishing a path, which establishes a virtual link based on a base link, and the method at least includes: waiting for the requesting end to establish a virtual link and the requested end to negotiate virtual link parameters and set the address identifier of the virtual link end to create a virtual link. link steps

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  • Virtual-link set-up method and apparatus
  • Virtual-link set-up method and apparatus
  • Virtual-link set-up method and apparatus

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Embodiment approach

[0097] In the above embodiment, the virtual link is uniquely identified by the end address pair corresponding to the virtual link at the MAC layer. Therefore, the MAC application layer can use the MAC layer virtual link by directly using the end address pair. For MAC layer users, it is not necessary to know the end address of the MAC layer virtual link, but to use the virtual link through a virtual link number assigned by the MAC layer at the local end. The number determines the corresponding virtual link end address. In view of this, the present invention proposes a third embodiment, and the specific steps are as follows:

[0098] After step 104 described in the first implementation, after the MAC layer of the AP sends a virtual link establishment response to the MAC layer of the STA, the AP assigns a virtual link number, and the MAC layer of the AP sends a virtual link to the user layer of the local end. In addition to the content in step 105, the content of the establishm...

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Abstract

Belonging to area of network communication, the invention discloses virtual link equipment, method for establishing, deleting and applying the virtual link as well as equipment for establishing virtual link. The invention overcomes disadvantages existed in current technique: only one link between STA and AP, not satisfying different safety mechanism, and lack of supporting different QoS. The method for establishing virtual link includes following steps: negotiating about parameters of virtual link between requesting end and requested end of virtual link to be created; setting up address id of virtual link end in order to create virtual link. The invention also discloses virtual link equipment established by using the method, data transmission method of using the virtual link equipment, and concurrent traffic flow suitable to be processed by equipment for establishing virtual link.

Description

technical field [0001] The invention relates to network communication, in particular to a virtual link device in a wireless local area network and its establishment, deletion, application method and virtual link establishment device. Background technique [0002] The wireless local area network (WLAN-Wireless LAN) technology is very popular in the market because of its advantages in wireless, high-speed access comparable to wired, and low price. At present, it has begun to replace wired and widely used in homes, campuses, hotels, corporate offices, etc., and has begun to be widely deployed in public hotspots as a wireless broadband access technology to provide public wireless broadband data access services. ISO / IEC8802-11: 1999 "Specific requirements for telecommunication and information exchange between information technology systems Local area network and metropolitan area network Part 11: Wireless LAN media access control (MAC) and physical layer (PHY) specification" is a...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L29/06H04W8/26H04W28/18H04W76/02H04W84/12
CPCH04L63/20H04W8/26H04W28/18H04W84/12H04W76/12
Inventor 姚忠辉
Owner HUAWEI TECH CO LTD