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The growing importance of Internet of Things (IoT) calls for tools able to provide users with secure systems. Traditional approaches to analyze distributed systems are not expressive enough to address this challenge. As a solution, we present a framework to analyze networked embedded systems. Our key insight is to look at a distributed system as a single body, and not as separate programs that exchange...
The Internet of Things (IoT) demands tailor-made security solutions. Today, there are a number of proposals able to meet IoT's demands in the context of attacks from outsiders. In the context of insiders, however, this does not hold true. Existing solutions to deal with this class of attacks not always take into consideration the IoT's idiosyncrasies and, therefore, they do not produce the best results...
The IEEE 802.11 working group proposed a standard for the physical and medium access control layers of vehicular networks called 802.11p. In this paper we report experimental results obtained from communication between vehicles using 802.11p in a real scenario. The main motivation is the lack of studies in the literature with performance data obtained from off-the-shelf 801.11p devices. Our study...
This work-in-progress article presents the research objectives of the (CIA)2-ITS workgroup of the Brazilian project consortium called (CIA)2. The workgroup is developing an architecture and protocols to integrate the heterogeneous networks and devices that compose a city-wide (or even nation-wide) Intelligent Transportation System (ITS). The ITS architecture will support networks of wireless sensors...
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