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Method and device for identifying client type in centralized wireless local area network

A technology of wireless local area network and client, which is applied in the field of communication network and can solve problems such as inability to distinguish clients

Active Publication Date: 2015-07-29
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, operators can identify which access network (such as GPRS, 3G or WLAN) the client comes from based on different IP address pools, but they cannot distinguish which type of machine the client is from

Method used

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  • Method and device for identifying client type in centralized wireless local area network
  • Method and device for identifying client type in centralized wireless local area network
  • Method and device for identifying client type in centralized wireless local area network

Examples

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Embodiment Construction

[0019] In the DHCPv6 protocol, the DHCP client sends a DHCP request message to the DHCP server to request an IP address and other configuration parameters, such as subnet mask, default gateway, etc. The DHCP request message needs to include a client identifier (Client Identifier) ​​option, and the DUID (DHCP Unique Identifier) ​​carried in the client identifier option is used by the DHCP server to identify the identity of the DHCP client to select corresponding configuration parameters for it.

[0020] figure 1 The format of the client identification option in the DHCP request message according to the prior art is shown. In the figure, "OPTION_CLIENT ID" is used to indicate that the option is a customer identification option, and the length is 16 bits, that is, 2 bytes. "OPTION_LEN" is used to indicate the length of the customer identification option, the length is 16 bits, that is, 2 bytes. "DUID" is a DHCP unique identifier, used to uniquely identify the identity of the DHCP c...

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PUM

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Abstract

The invention provides a method and device for recognizing a machine type of a DHCP (Dynamic Host Configuration Protocol) client side in a centralized wireless local area network. Firstly, the DHCP client side fills information on the machine type of the client side in a DHCP request message and sends the DHCP request message filled with the information on the machine type of the client side to a DHCP server. The DHCP server can determine the machine type of the DHCP client side according to the information on the machine type in the DHCP request message after receiving the DHCP request message from the DHCP client side. Once the DHCP server knows the machine type of the DHCP client side, each network entity can know the machine type of the DHCP client side, and thus, relevant traffic engineering or strategy control can be executed.

Description

Technical field [0001] The present invention relates to a communication network, and in particular to a centralized wireless local area network (centralized WLAN). Background technique [0002] The emergence of a centralized wireless local area network structure allows operators to deploy a controllable, manageable, and operable WiFi network. Among them, in the centralized wireless local area network structure, an access controller (AC) is responsible for management And control one or more wireless termination points (Wireless Termination Points, WTPs) or access points (Access Point, AP). In addition, the emergence of user equipment such as smart phones occupies a large amount of 3G network traffic. From a more effective point of view, offloading 3G network traffic to WiFi network is a better solution. In fact, more and more smart phone users have begun to access network services through WiFi networks. [0003] Generally, operators, such as telecommunications operators, have the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/10H04W84/12
Inventor 刘刚温海波
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD