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The design of the data center network that interconnects the massive number of servers is very important to ensure the agility and robustness of the data center to meet the requirements of the applications. In response to this challenge, the research community have begun exploring novel interconnect topologies including FatTree, DCell, BCube, HyPaC, etc. However, the solutions proposed so far either...
We present an evaluation of the fault-tolerance characteristics of several important data center network topologies, including Fat-tree, DCell, HyperBCube and BCube using several metrics, including average path length, aggregated bottleneck throughput and connection failure ratio. These enable us to present an objective comparison of the network topologies under faulty conditions.
Mega data centers are being built around the world to provide various cloud computing services. As a result, data center networking has recently been a hot research topic in both academia and industry. A fundamental challenge in this research is the design of the data center network that interconnects the massive number of servers, and provides efficient and fault-tolerant routing service to upper-layer...
An optimal design approach which combines the real frequency method and the direct numerical optimization is used to design a broadband matching network for an electrically small antenna. According to the characteristic of electrically small antenna, a network topology which improves the electrically small antennapsilas efficiency observably is designed with two methods respectively, and the design...
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