Single-key-based Wi-Fi Authentication for Multiple Openflow APs with Different SSIDs in Wireless SDN

  • 李 思穎

Student thesis: Master's Thesis


The number of mobile devices is constantly growing and the internet access utilization has also increased a lot Providing wireless network service becomes more and more important A lot of APs with different SSIDs are widely deployed but most APs are closed (only authenticated users could access) Deployment of these APs does nothing to help with the massive users Software Defined Network (SDN) separates data plane and control plane and the network is managed by centralized controllers In SDN Openflow protocol is used to communicate between controller and APs Thus it is more flexible to choose different vendors' hardware In this thesis we propose a Wi-Fi auto authentication scheme which integrates SDN into personal mode of wireless network The proposed scheme uses the controller to control APs with different SSIDs We define that an "AP group" consists of more than one AP After a user connects to an AP with passphrase the user is then allowed to use other APs in the same AP group In actual measurement our scheme has the fastest speed of user connection with APs In simulation our scheme significantly increase the successful rate of user connection
Date of Award2015 Aug 25
Original languageEnglish
SupervisorMeng-Hsun Tsai (Supervisor)

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