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The service grid: supporting scalable heterogeneous services in wide-area networks

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2 Author(s)
J. Weissman ; Dept. of Comput. Sci. & Eng., Minnesota Univ., MN, USA ; B. -D. Lee

Scalable delivery of network services to client applications is a difficult problem. We present a service architecture that is designed to accommodate the scalable delivery of heterogeneous services to clients with different QoS requirements. A prototype was built using the Legion wide area computing infrastructure to explore the design of application- and service-based replica selection and creation policies in a wide area network. The preliminary results demonstrate that application- and service-based policies outperform generic policies such as random and round robin. The results also show that overhead control is a key issue for latency sensitive requests

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Applications and the Internet, 2001. Proceedings. 2001 Symposium on

Date of Conference: