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LazyCtrl: A Scalable Hybrid Network Control Plane Design for Cloud Data Centers
Zheng, Kai1; Wang, Lin2; Yang, Baohua3; Sun, Yi4; Uhlig, Steve5
2017
发表期刊IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS
ISSN1045-9219
卷号28期号:1页码:115-127
摘要The advent of software defined networking enables flexible, reliable and feature-rich control planes for data center networks. However, the tight coupling of centralized control and complete visibility leads to a wide range of issues among which scalability has risen to prominence due to the excessive workload on the central controller. By analyzing the traffic patterns from a couple of production data centers, we observe that data center traffic is usually highly skewed and thus edge switches can be clustered into a set of communication-intensive groups according to traffic locality. Motivated by this observation, we present LazyCtrl, a novel hybrid control plane design for data center networks where network control is carried out by distributed control mechanisms inside independent groups of switches while complemented with a global controller. LazyCtrl aims at bringing laziness to the global controller by dynamically devolving most of the control tasks to independent switch groups to process frequent intra-group events near the datapath while handling rare inter-group or other specified events by the controller. We implement LazyCtrl and build a prototype based on Open vSwitch and Floodlight. Trace-driven experiments on our prototype show that an effective switch grouping is easy to maintain in multi-tenant clouds and the central controller can be significantly shielded by staying "lazy", with its workload reduced by up to 82 percent.
关键词Software defined networks network control data center cloud computing
DOI10.1109/TPDS.2016.2558512
收录类别SCI
语种英语
资助项目National Basic Research Program of China[2012CB315802] ; Natural Science Foundation of China[61520106005] ; Natural Science Foundation of China[61379133]
WOS研究方向Computer Science ; Engineering
WOS类目Computer Science, Theory & Methods ; Engineering, Electrical & Electronic
WOS记录号WOS:000390676100010
出版者IEEE COMPUTER SOC
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.204/handle/2XEOYT63/7766
专题中国科学院计算技术研究所期刊论文_英文
通讯作者Zheng, Kai
作者单位1.Huawei Technol, Beijing, Peoples R China
2.Univ Luxembourg, SnT, Luxembourg, Luxembourg
3.IBM Res, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Comp Technol, Beijing, Peoples R China
5.Queen Mary Univ London, London, England
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Zheng, Kai,Wang, Lin,Yang, Baohua,et al. LazyCtrl: A Scalable Hybrid Network Control Plane Design for Cloud Data Centers[J]. IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS,2017,28(1):115-127.
APA Zheng, Kai,Wang, Lin,Yang, Baohua,Sun, Yi,&Uhlig, Steve.(2017).LazyCtrl: A Scalable Hybrid Network Control Plane Design for Cloud Data Centers.IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS,28(1),115-127.
MLA Zheng, Kai,et al."LazyCtrl: A Scalable Hybrid Network Control Plane Design for Cloud Data Centers".IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS 28.1(2017):115-127.
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