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Software-defined networking (SDN) is an emerging and disruptive networking paradigm that emerged on campus networks but was soon recognized as having potential applicability in several other application areas, including Internet of Things (IoT) and Industrial IoT. Industrial IoT applications have requirements remarkably distinct from the ones of campus networks, particularly in what concerns timeliness...
This technical note presents a novel characterization of controllability for linear time-invariant finite-dimensional systems. This characterization relates eigenvalue controllability with the continuity of the map that assigns to each closed-loop eigenvalue the smallest subspace containing the set of corresponding closed-loop eigenvectors. Application of the given characterization is illustrated...
With the number of cores increase in systems-on-chip (SoC), bus-based approach began facing challenges to support internal communication. An alternative that has been explored is the network-on-chip (NoC), an approach that proposes to use common network knowledge on SoC projects internal communication. The standards non-adoption in the NoC components development however has delayed its wide diffusion...
PLC is gaining prominence as a solution for Smart Grid developments. However, several aspects still require further research and analysis. Among the different solutions, PRIME (PoweRline Intelligent Metering Evolution) standard is one of the most popular and extended implementations. This paper analyses the performance impact caused by the polling strategy utilized in an auto meter reading (AMR) process...
This paper describes the dielectric material and the structure of the standard capacitance box (decade capacitor) developed by NIM with the capacitance range of 1pF to 0.1µF and the accuracy of 50ppm at 1 kHz. High stability and high accuracy of the standard capacitance box mainly derives from a choice of dielectric materials that are fused-silica and nano-ceramic, and each capacitor in the box contained...
A variety of networking standards have been proposed and implemented to provide real-time network performance guarantees in embedded systems. These standards all focus on bounding individual message latency; however, we argue that this is not the most important measure for a large class of avionic systems. We show the key metric for this class of architectures, and present the results of an experiment...
We address the traffic light control problem for a single intersection by viewing it as a stochastic hybrid system and developing a Stochastic Flow Model (SFM) for it. Using Infinitesimal Perturbation Analysis (IPA), we derive online gradient estimates of a cost metric with respect to the controllable green and red cycle lengths. The IPA estimators obtained require counting traffic light switchings...
We address the problem of routing Label Switched Paths (LSPs) in multi-layer networks based on the Generalized MultiProtocol Label Switching (GMPLS) paradigm. In particular, we pursue strategies for choosing the appropriate layer to host a new LSP request, since choosing this policy has enormous impact on the eventual performance of the network. Therefore, we developed a mixed strategy, the Min-phys-hop...
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