In this paper we present a model for dynamically scheduling HTTP requests across clusters of servers, optimizing the use of client resources as well as the scattered server nodes. We also present a system, H-SWEB, implementing our techniques and showing experimental improvements of over 250/100, which Have been achieved through utilizing a global approach to scheduling requests. This is the first system To provide a hierarchical scheduling mechanism for distributed. HTTP server clusters incorporating Dynamic client-server task distribution and distributed data access.
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