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An enormous number of access/service requests may be received in a short period of time, triggered by specific events such as an interactive TV program and an electronic voting. These service requests can disable the end server when their quantity exceeds its capability. In order to address the problem, we propose a Web script-based access control system using an access ticket assigning mechanism with a suspension time. The proposed system introduces a server that distributes access tickets in an orderly way to the user terminals. In the proposed system, the user terminals that are going to send the service requests can be controlled with a Web script based on technology such as FlashLite. In this way, the number of simultaneous connections in the end server can be adjusted to remain within the limits of its capability. The proposed system can easily be applied to existing systems without any elaborate enhancements of user terminals and end servers, since Web scripts are supported by most mobile terminals by default. The main contribution in this paper is our confirmation that the proposed system works well in a practical situation where the system has to protect a hundred different end servers.
Date of Conference: 5-9 June 2011