A Client Group-Server DBMS Architecture and Inter-Client Communication
Abstract
Previous research on the client-server DBMS has focused on the client data caching schemes in the LAN-based client-server architectures. In this paper, we investigated the issue of client data caching in the WAN environment. In the WAN environment, it is common that many clients are clustered in some local area, connected to each other over a LAN, and often request the same data to the same remote server. To take advantage of such a characteristic, we considered a Client group-Server DBMS Architecture, in which the client s connected over a LAN in each local area form a client group and communicate with the server via a broker, a special client that belongs to the group and maintains cache consistency in its group on behalf of the server. We proposed the data caching scheme called ICCC(Inter-Client Communication Caching) that fits the client group-server DBMS architecture. In ICCC, cached data can be shared among clients within the group through inter-client communication under the intervention of their broker. We conducted simulation experiments to evaluate the performance of ICCC. The results showed that ICCC considerably outperformed the standard callback locking scheme employed in the WAN environment.
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Published In
August 1998
414 pages
ISBN:0818683805
Copyright © Copyright (c) 1998 Institute of Electrical and Electronics Engineers, Inc. All rights reserved.
Publisher
IEEE Computer Society
United States
Publication History
Published: 20 August 1998
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