Fabrizio Zanini

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Railway control systems are based on on-board and trackside subsystems for signaling purposes. Several factors demand for new design and implementation solutions for such railway control systems. These factors are related to the design of interoperable railway networks in Europe, the introduction of new technologies and equipment, and the competition in the(More)
The detection of messages delayed more than a given threshold – called ‘message freshness detection’ – is an important requirement in many distributed critical real-time systems. In this paper, a solution for addressing this requirement is described and deeply analysed. Our solution, the ‘available and safe freshness detection algorithm (ASFDA)’, was(More)
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