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Datacenter network always needs to be updated so that it can adapt to frequent traffic changes and constantly achieve high network utilization. However, the quality of service can be easily reduced by unexpected transient link congestion, which may be caused by variable link transmission latency during flow migration. Furthermore, when network administrators reallocate bandwidth resource without taking...
We propose a high network utilization CONGestion- Aware load balancing approach, Multi-hop CONGA. It aims at improving the performance of handling traffic asymmetry, which happens occasionally in data centers. It leverages regular Clos topology and overlays for virtualization. In this paper, we schedule at the unit of flowlet, which is the burst of packets belonging to a flow, and make routing decisions...
As power consumption of the Internet has been growing quickly in recent years, saving energy has become an important problem of networking research, for which the most promising solution is to find the minimum-power network subsets and shut down other unnecessary network devices and links to satisfy changing traffic loads. However, in traditional networks, it is difficult to implement a coordinated...
Existing Data Center Network (DCN) architectures are classified into two categories: switch-centric and server-centric architectures. In switch-centric DCNs, routing intelligence is placed on switches, each server usually uses only one port of the Network Interface Card (NIC) to connect to the network. In server-centric DCNs, switches are only used as cross-bars, and routing intelligence is placed...
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