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High performance computing (HPC) has witnessed a great boom of computing capability in recent years, however storage capacity fails to keep pace with that rapid growth, coun-teracting the benefits brought by higher computing power. Two dominating bottlenecks have been pointed out: firstly, Small-size IO requests fail to leverage the advantage of current distributed file systems and non-contiguous...
Although Layer-2 networking meets the requirement of datacenter operators, it can not scale in the existing Ethernet Datacenter Network (DCN). In this paper, motivated by the backwards compatibility of OpenFlow with current commodity switches, we propose a topology-independent software-defined edge control framework, named FRINGE, which exploits the scalable capability for Ethernet DCN. FRINGE is...
This paper introduces a topology-independent software-defined edge control framework named FRINGE to scale out the Ethernet Datacenter Network (DCN). FRINGE exploits programmable OpenFlow-enabled switches deployed at the edge of DCN to aggregate the forwarding rules without introducing extra packet headers. We implement the proposed FRINGE framework in an SDN prototyping environment and validate it...
Network processing platform based on the multi-core CPU becomes more and more prevailing in nowadays. Buffer allocation/deallocation operations consume a large number of CPU cycles in packet I/O process. The problem becomes even worse in the scenario of packet forwarding, as buffer allocation/deallocation operations are more frequent than the host-based network applications. We thus propose a novel...
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