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Invited Paper Novel user-oriented networked systems will simultaneously exploit a variety of wired and wireless communication modalities to offer different levels of quality of service (QoS), including reliability and security to users, low economic cost, and performance. Within a single such user-oriented network, different connections themselves may(More)
Cloud computing is a paradigm which allows a flexible and dynamic provision of resources in order to solve problems pertaining to a great variety of domains. When considering public cloud infrastructures, those which follow a pay-as-you-go philosophy, it is clear that optimizing usage costs results in the main problem to solve. For this reason, simulation(More)
In this paper we investigate how " self-awareness'', through on-line self-monitoring and measurement, coupled with intelligent adaptive behaviour in response to observed data, can be used to offer adaptive web service for the end-user. Through this mechanism the end-user will notice a Quality of Service (QoS) improvement, every time a web page is requested.(More)
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