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Cloud computing clusters require efficient interconnects to deal with the increasing volume of inter-server (east–west) traffic. To cope with these new traffic patterns, datacenter networks are abandoning the oversubscribed topologies of the past, and adopt fat-tree fabrics with high bisection bandwidth. However, these fabrics typically employ either single-path or coarse-grained (flow-level) multipath...
The efficiency of computer network has been regarded as a bottleneck in parallel computing paradigm. It is important to have efficient methodology to obtain network performance measures, especially for a large scale system, i.e. exa-scale system. Communication performance is often investigated by the static complexity analysis based on a given network topology or a detailed network simulation, which...
The corporate optical backbone network (COBNET) joint research project is aiming at the next generation of high-performance corporate networks based on wavelength division multiplexing (WDM) add/drop rings. Scalability considerations are of primary importance for these networks. Based on the measured spectral performance for WDM tunable add-after-drop filters fabricated in planar waveguide technology,...
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