The AIS: A Model for Developing Scalable Web Services

S. Rollins, R.C. Chalmers, J.M. Blanquer, and K.C. Almeroth (USA)



The World Wide Web has become a primary venue for disseminating information to large numbers of users. From news stories, to music videos, to driving directions, more and more people are turning to the web to find information they need in their day-to-day lives. As web-based services become more complex, the traditional web model is becoming insufficient. There is an increasing demand for a model that supports large-scale, push-based data delivery combined with user-specific customization. In this pa per, we describe our model, the Active Information System (AIS). The AIS is a model for web services that supports scalable information dissemination and dynamic user interaction. We evaluate our model by illustrating its use in developing a scalable, realtime auction application with functionality far beyond what is possible today.

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