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This paper capitalizes on two emerging trends, i.e., the growing use of wireless at the edge of industrial control networks and the growing interest to integrate IP into said networks. This is facilitated by recent design contributions from the IEEE and the IETF, where the former developed a highly efficient deterministic time–frequency scheduled medium access control protocol in the form of IEEE...
Despite increasing deployment of software-defined networks (SDN), little is yet known about how to actually manage such kind of networks. When service degradation (generically termed here “trouble”) happens, the first step is to localise under-performing network paths (“troubleshooting”). SDN-RADAR gives a novel approach to ease large network troubleshooting by leveraging SDN features and incorporating...
Software-defined deployments are growing into data center and enterprise network infrastructures. The typical promises of software-defined networks (SDN) are improved time for market, decreased risk and operational costs for services, flexibility and unified management. However, little is known and shared about how to actually manage an SDN network, especially in localising underperforming network...
The Available Routing Construct (ARC), recently proposed at IETF, provides a promising model for achieving highly reliable routing in large-scale networks. Among its features, ARC offers multi-path routing by design. In the present work, we introduce ARC for the first time to the research community. Then, we show, by means of simulation results, how ARC over-performs classical multi-path routing algorithms,...
The Time Synchronized Channel Hopping (TSCH) protocol is part of the newly defined IEEE 802.15.4e standard and represents the latest generation of highly reliable low-power MAC protocols. With implementation details left open, we conceive here a novel Traffic Aware Scheduling Algorithm (TASA) by extending the theoretically well-established graph theory methods of matching and coloring by means of...
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