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A Differentiated Web Service System through Kernel-Level Realtime Scheduling and Load Balancing  

이명섭 (영남대학교 컴퓨터공학과 인공지능 및 지능정보시스템 연구실)
박창현 (영남대학교 컴퓨터공학과 인공지능 및 지능정보시스템 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.28, no.6B, 2003 , pp. 533-543 More about this Journal
Abstract
Recently, according to the rapid increase of Web users, various kinds of Web applications have been being developed. Hence, Web QoS(Quality of Service) becomes a critical issue in the Web services, such as e-commerce, Web hosting, etc. Nevertheless, most Web servers currently process various requests from Web users on a FIFO basis, which can not provide differentiated QoS. This paper presents two approaches to provide differentiated Web QoS. The first is the kernel-level approach, which is adding a real-time scheduling processor to the operating system kernel to maintain the priority of user requests determined by the scheduling processor of Web server. The second is the load-balancing approach, which uses If-level masquerading and tunneling technology to improve reliability and response speed upon user requests.
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