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In this paper we analyse the suitability of computing clouds, i.e. large-scale virtualized infrastructures for high-performance applications that are normally executed on specialised clusters or supercomputers. We classify such applications according to their requirements on different system components and present measurements of virtualization software overhead for these components. Based on the...
Large-scale virtualized infrastructures, such as those underlying cloud offerings, introduce novel, virtual variants of network components and links in addition to the well-known physical network elements. In these consolidated and generalised provisioning infrastructures, network QoS (quality of service) requirements apply not only to classic uplinks but also to storage and computing cluster interconnects:...
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