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As most IoT devices lack a display or a keypad owing to their tiny size, it is difficult to set connectivity information such as service set identifier (SSID) and password without any help from external devices such as smartphones. Moreover, it is much more complex to apply advanced connectivity options such as SSID hiding, MAC ID filtering, and Wi\u2010Fi Protected Access (WPA) to these devices. Thus, we need a new Wi\u2010Fi network management system which not only facilitates client access operations but also provides a high\u2010level authentication procedure. In this paper, we introduce a remote connectivity control system for Wi\u2010Fi devices based on software\u2010defined networking (SDN) in a wireless environment. The main contributions of the proposed system are twofold: (i) it enables network owner\/administrator to manage and approve connection request from Wi\u2010Fi devices through remote services, which is essential for easy connection management across diverse IoT devices; (ii) it also allows fine\u2010grained access control at the device level through remote control. We describe the architecture of SDN\u2010based remote connectivity control of Wi\u2010Fi devices. While verifying the feasibility and performance of the proposed system, we discuss how the proposed system can benefit both service providers and users.<\/jats:p>","DOI":"10.1155\/2018\/9359878","type":"journal-article","created":{"date-parts":[[2018,7,25]],"date-time":"2018-07-25T01:09:33Z","timestamp":1532480973000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["An SDN\u2010Based Connectivity Control System for Wi\u2010Fi Devices"],"prefix":"10.1155","volume":"2018","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4426-3825","authenticated-orcid":false,"given":"Duc-Thang","family":"Nguyen","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6246-6218","authenticated-orcid":false,"given":"Taehong","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,7,24]]},"reference":[{"key":"e_1_2_12_1_2","unstructured":"ZigBee ZigBee Alliance https:\/\/www.zigbee.org\/."},{"key":"e_1_2_12_2_2","unstructured":"Z-Wave https:\/\/www.z-wave.com\/."},{"key":"e_1_2_12_3_2","unstructured":"Bluetooth The global standard for connection https:\/\/www.bluetooth.com\/."},{"key":"e_1_2_12_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2017.2746186"},{"key":"e_1_2_12_5_2","doi-asserted-by":"crossref","unstructured":"RawatD. 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