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Formal Evaluation of Quality of Service for Data Acquisition

In the field of real-time control applications, validation relies on a precise knowledge of the temporal characteristics of the used data such as delays and loss rates. These data are provided by a dedicated software called the driver. Consequently, it is necessary to evaluate the impact of the driver on the QoS (Quality of Service) of the data. This work proposes a formal model of data drivers based on communicating timed automata and shows how parameters of the driver impact the provided QoS of data.