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With the rapid evolution of network speed from 1Gbps to 10Gbps, a wide spectrum of research has been done on TCP/IP to improve its processing efficiency on general purpose processors. However, most of them did studies only from the performance perspective and ignored its power efficiency. As power has become a major concern in data centers, where servers are often interconnected with 10GbE, it becomes...
Cluster-based storage systems increasingly use commodity communication technologies, such as Fibre Channel over Ethernet (FCoE), for accessing stored data over the network. Data is striped over multiple storage nodes, and storage traffic often shares the network with non-storage traffic. In such conditions, storage clients can experience severely degraded performance, such as TCP throughput collapse...
We present a tool, PerfCenter, that takes as input the deployment, configuration, message flow and workload details of the hardware and software servers in an application hosting center, and predicts the performance of the applications. We allow for a hierarchical specification of the data center, where software is deployed on machines, machines consist of hardware devices and are deployed on LANs...
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