Component - Based Platform for a Virtual University Information System

Design ideas for a Virtual University Information System, VUIS, are presented. The design is an interface-centric component-based architecture. Basic services are decomposed into sets of monadic services, each of which is implemented as a reusable software EJB component. The interaction patterns and communication interfaces between components to realise foreseen and un-foreseen basic services are described. Considerations of scalability, security, latency, user interface design issues (e.g. acceptable response time, and speed) are addressed. The paper includes an EJB application example showing this approach towards modelling and how it benefits the design of the VUIS. Key-Words: virtual university, system architecture, component-based system, EJB, monadic services, eLearning, eLectures