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SDN-based campus network wlan roaming access authentication system and method

An access authentication, campus network technology, applied in wireless communication, electrical components, security devices, etc., can solve the problems of low security, prolonged authentication, etc., to achieve fast access speed, short authentication delay, and shortened time Effect

Active Publication Date: 2021-08-10
SOUTH CHINA UNIV OF TECH
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  • Claims
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Problems solved by technology

[0015] Aiming at the problem that the existing traditional campus network WLAN roaming access authentication technology is either low in security, or the security is improved but the authentication time is prolonged, the present invention provides an SDN-based campus network WLAN roaming access authentication system and method, the system Utilize the flexibility of the SDN network, through the authentication information cache function on the SDN controller, to complete the roaming handover authentication of the user

Method used

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  • SDN-based campus network wlan roaming access authentication system and method
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  • SDN-based campus network wlan roaming access authentication system and method

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Embodiment Construction

[0050] The invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be pointed out that if there are processes or symbols such as codes that are not specifically described in detail below, those skilled in the art can understand or implement with reference to the prior art .

[0051] Such as figure 1 The shown SDN-based campus network WLAN roaming access authentication system, the system includes an access and data forwarding device, a control authentication device, and the access and data forwarding device includes: an access point AP (Wireless Access Point, WirelessAccessPoint) , OpenFlow switch, wireless access gateway; the control authentication device includes: SDN controller, AAA authentication server;

[0052] The access point AP is used for terminal access and sends an authentication request frame of the terminal to the OpenFlow switch;

[0053] The OpenFlow switch is used to send the authentication r...

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Abstract

The invention discloses a campus network WLAN roaming access authentication system and method based on SDN. The system includes an access and data forwarding device and a control authentication device. The access and data forwarding device includes: an access point AP, an OpenFlow switch, a wireless interface The ingress gateway; the control and authentication device includes an SDN controller and an AAA authentication server. The method includes sending an authentication request frame of the terminal to an OpenFlow switch, and the switch forwards it to an SDN controller for authentication, and if the SDN controller fails authentication, the SDN controller interacts with an AAA authentication server to forward the authentication request frame to the AAA The authentication server performs authentication and forwards the authentication result information to the access point AP via the SDN controller and the OpenFlow server. The authentication access mode of the invention shortens roaming access time and improves roaming service quality.

Description

technical field [0001] The invention relates to a campus network WLAN roaming access authentication technology, in particular to an SDN-based campus network WLAN roaming access authentication system and method. Background technique [0002] With the rapid development of mobile smart terminal devices, users use mobile smart device terminals more and more widely, and wireless network access has become the most extensive access standard for Internet access. Nowadays, the deployment of a wireless local area network (Wireless Local Area Network, WLAN) based on the IEEE802.11 standard can be seen everywhere. If a mobile terminal wants to access WLAN to connect to the Internet, it must first complete access authentication. Access authentication plays an important role in WLAN. The basic principle of WLAN access authentication is: the network management server maintains the basic information of registered users. Information includes: user account, user password, user age, user gend...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/06H04W36/08H04W12/08
CPCH04W12/06H04W36/08
Inventor 陆以勤王君君覃健诚程喆
Owner SOUTH CHINA UNIV OF TECH
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