Bingli GUO, Ning ZHAO, Zhiwen ZHU, et al. Research on traffic identification and scheduling based on optical interconnection architecture in data center[J]. Journal on Communications, 2018, 39(9): 122-128.
DOI:
Bingli GUO, Ning ZHAO, Zhiwen ZHU, et al. Research on traffic identification and scheduling based on optical interconnection architecture in data center[J]. Journal on Communications, 2018, 39(9): 122-128. DOI: 10.11959/j.issn.1000-436x.2018161.
Research on traffic identification and scheduling based on optical interconnection architecture in data center
In order to solve the data center link congestion problem
based on the characteristics of the flow distribution and flow types
a flow identification and scheduling scheme based on optical interconnect structure
named HCFD (host-controller flow detection)
was proposed to identify the elephant flow which has a large impact on the network performance
and use the SDN controller to make forward strategy
and schedule the network traffic reasonably.The implementation of the scheme was to use the Netfilter framework in Linux kernel protocol on the host side to mark the flow that exceeds the threshold amount.Then
the classification model was used in the controller side to classify the marked flow.Finally
the appropriate forwarding strategy was developed based on the above results.With the advantage of the photoelectric network
mechanisms of flow depth fusion and switching could be realized.The scheme which integrates the advantage of the existing research results
was expected to identify elephant flow more accurately and comprehensively.It can effectively alleviate the network congestion
make full use of network bandwidth
reduce end-to-end delay and packet loss rate.
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references
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