OTCP: SDN-Managed Congestion Control for Data Center Networks

被引:0
|
作者
Jouet, Simon [1 ]
Perkins, Colin [1 ]
Pezaros, Dimitrios [1 ]
机构
[1] Univ Glasgow, Sch Comp Sci, Glasgow G12 8QQ, Lanark, Scotland
来源
NOMS 2016 - 2016 IEEE/IFIP NETWORK OPERATIONS AND MANAGEMENT SYMPOSIUM | 2016年
基金
英国工程与自然科学研究理事会;
关键词
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
TCP suffers from incast collapse in data center networks when used with partition aggregate workloads due to inadequate congestion control parameters. This causes poor application performance by under-utilizing the network, and can be one of the limiting factors in low-latency, high-throughput environments. To resolve this, we present Omniscient TCP (OTCP), a Software Defined Networking (SDN) approach to compute environment-specific congestion control parameters based on centrally available network properties. Through experimental evaluation in Mininet, we show up to 12x and 31x reduction in Flow Completion Time (FCT) at the mean and 95th percentile, an 8x FCT improvement on highly congested networks when combined with DCTCP [1], as well as improved fairness and reduced end-to-end latency.
引用
收藏
页码:171 / 179
页数:9
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