Augmenting Web-Based Collaboration with Adaptive Replication and Mobility

We survey two systems. First, the middleware DIRECS, for supporting the adaptive wide-area replication of collaboration data and thereby the availability, responsiveness and failure resilience of web-based collaborative systems. Availability is adaptive with regard to replication consistency requirements, and vice-versa. Second, the middleware MOVE, for supporting adaptive voice/data-integrated mobile web-based collaboration services. MOVE adapts to networks, locations, devices and user profiles. We then conclude with an outlook of ongoing and envisaged work which aims at augmenting the DIRECS functionalities with MOVE features.

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