Kostkova, P; McCann, J; Wilkinson, T; (1998) MAGNET: QoS-based Dynamic Adaptation in a Changing Environment. High Performance Extensible Systems Centre, City University (In press).

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Abstract

The rapid growth of mobile computing, encouraged by ever-decreasing size and weight of hardware, has led to a spectrum of computing environments. Use of portables while in transit (e.g., on a train or a plane), or when movement is in the nature of business (e.g., travelling salesmen) has become a commonplace and is no longer remarked upon. Common to all mobile users is a frequently-changing working environment. In order to utilize local resources fully, mobile users have to adjust their quality of service (QoS) requirements perceived according to local conditions. It enables them to fully utilize resources available in their current working environment. Hitherto, mobile users lack infrastructural support for such dynamic resource management. This paper describes Magnet, a model of dynamic information exchange. Applied as a resource manager, it permits dynamic update of resource information and user-dened QoS-based resource selection, enabling transparent reconguration.

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