Scalability and Robustness in the Domain of Web-Based Tutoring

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Executive Summary

Web-based Intelligent Tutoring Systems distribute content using a server based infrastructure. These systems need to be easily accessible to provide a reliable and scalable architecture for students, teachers, parents, content creators, and researchers. Scaling up web-based applications requires a well designed system that distributes the load ac-cross multiple application servers and database server(S). A typical web application involves a 3-tier architecture where client machines, application servers, and database server(S) are working together to achieve better performance.

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