METHOD AND DEVICE FOR WEB REDIRECT AUTHENTICATION IN WIFI ROAMING BASED ON AC AND AP INTERWORKING
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Accused Products
Abstract
A WiFi roaming management method and device which redirect an HTTP request of a mobile terminal from an AP to an AC even though the AC and the AP do not exist in the same subnet, which redirects a source IP address for an HTTP request, after transferring, to an IP address of the AC, and which smoothly support a wireless Internet service in a distributed processing system according to a web authentication of the AC in a WiFi roaming method is provided. A terminal session management function and a traffic control function are separated by a premium AC (Access Controller) and a premium AP (Access Point) interworked with a tunneling method according to a CAPWAP protocol.
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Citations
19 Claims
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1-8. -8. (canceled)
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9. A method of managing WiFi roaming comprising:
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redirecting an HTTP request of a mobile station from an access point (AP), which supports wireless Internet service for the mobile station, to a web server over the network, wherein in the HTTP request, a source IP address is replaced with an IP address of an access controller (AC); in response to said redirecting, requesting authentication by transmitting to the AC login information comprising a MAC address of the mobile station received in such a way that the web server requests the MAC address from the mobile station; performing, by the AC, control via MAC address authentication of the mobile station through communication with an authentication server over the network such that the authentication server starts accounting; and permitting, by the AC, association of the mobile station with the AP based on said performing control via the MAC address authentication. - View Dependent Claims (10, 11, 12, 13, 17, 18)
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14. An access controller (AC) which supports management of WiFi roaming comprising:
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a receiver configured to receive a request for authentication comprising login information with a MAC address of the mobile station received in such a way that a web server requests the MAC address from the mobile station, in response to redirecting an HTTP request of the mobile station from the AP to the web server in which a source IP address of the HTTP request is replaced with an IP address of the AC; and an authenticator configured to control via MAC address authentication of the mobile station through communication with an authentication server over a network so that the authentication server starts accounting, and configured to permit association of the mobile station with the AP. - View Dependent Claims (15, 16, 19)
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Specification