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Data centers consume significant amounts of energy. As severs become more energy efficient with various energy saving techniques, the data center network (DCN) has been accounting for 20% or more of the energy consumed by the entire data center. While DCNs are typically provisioned with full bisection bandwidth, DCN traffic demonstrates fluctuating patterns. The objective of this work is to improve...
Traditional crossbar switches use centralized scheduling algorithms with high time complexity. In contrast, buffered crossbar switches are capable of distributed scheduling due to crosspoint buffers, which decouple the dependency between inputs and outputs. However, crosspoint buffers are expensive on-chip memories. To reduce the hardware cost of buffered crossbar switches and make them scalable,...
The control of car following is helpful to its safety and its operational efficiency. For this purpose, this paper builds a linear, continuous and time-delay model of car following, which is successively turned into the discrete model to satisfy computer data processing. And then, its controllability and its observability are analyzed. The approach of the infinite-time linear quadratic problem is...
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