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An Hybrid Approach to QoS Evaluation |
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Danilo Ardagna, Marco Comerio, Flavio De Paoli, Simone Grega
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maandag, 13 juni 2005 |
Usually, the process of development of services available as web applications considers only functional requirements. Since, an evergrowing number of users take advantage of different kinds of communication channels and devices, this process must be revised by considering new aspects: quality of service (QoS), user profiles and technical characteristics of channels. In previous works, we proposed a methodology thatprovides a rational to formalize the redesign process of existing services
to support multi-channel access. This paper extends our approach and
highlights how the QoS dimensions can be considered quantitatively in
the different phases of the methodology. Moreover, an hybrid approach
that allows the QoS evaluation, during the development of a service, is
proposed.
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