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An Adaptive Server Clustering for Terminal Service in a Thin-Client Environment  

Jung Yunjae (숭실대학교 정보통신전자공학부)
Kwak Hukeun (숭실대학교 정보통신전자공학부)
Chung Kyusik (숭실대학교 정보통신전자공학부)
Publication Information
Journal of KIISE:Information Networking / v.31, no.6, 2004 , pp. 582-594 More about this Journal
Abstract
In school PC labs or other educational purpose PC labs with a few dozens of PCs, computers are configured in a distributed architecture so that they are set up, maintained and upgraded separately. As an alternative to the distributed architecture, we can consider a thin-client computing environment. In a thin-client computing environment, client side devices provide mainly I/O functions with user friendly GUI and multimedia processing support whereas remote servers called terminal server provide computing power. In order to support many clients in the environment, a cluster of terminal servers can be configured. In this architecture, it is difficult due to the characteristics of terminal session persistence and different pattern of computing usage of users so that the utilization of terminal server resources becomes low. To overcome this disadvantage, we propose an adaptive terminal cluster where terminal servers ,ire partitioned into groups and a terminal server in a light-loaded group can be dynamically reassigned to a heavy-loaded group at run time. The proposed adaptive scheme is compared with a generic terminal service cluster and a group based non-adaptive terminal server cluster. Experimental results show the effectiveness of the proposed scheme.
Keywords
Adaptive Server Clustering; Thin-Client; Terminal Service;
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