Abstract
Enterprises build private clouds to provide IT resources for geographically distributed subsidiaries or product divisions. Public cloud providers like Amazon lease their platforms to enterprise users, thus, enterprises can also rent a number of virtual machines (VMs) from their data centers in the service provider networks. Unfortunately, the network cannot always guarantee stable connectivity for their clients to access the VMs or low-latency transfer among data centers. Usually, both latency and bandwidth are in unstable network environment. Being affected by background traffics, the network status can be volatile. To reduce the latency uncertainty of client accesses, enterprises should consider the network status when they deploy data centers or rent virtual data centers from cloud providers. In this paper, we first develop a data center deployment and assignment scheme for an enterprise to meet its users’ requirements under uncertain network status. To accommodate to the changes of the network status and users’ demands, a VMs migration-based redeployment scheme is adopted. These two schemes work in a joint way, and lay out a framework to help enterprises make better use of private or public clouds.
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Chuang Lin is a professor of the Department of Computer Science and Technology, Tsinghua University, China. He received the PhD degree in computer science from Tsinghua University in 1994. His current research interests include computer networks, performance evaluation, network security analysis, and Petri net theory and its applications. He has published more than 300 papers in research journals and IEEE conference proceedings in these areas and has published three books. Professor Lin is a member of ACM Council, a senior member of the IEEE and the Chinese Delegate in TC6 of IFIP. He serves as the Technical Program Vice Chair, the 10th IEEE Workshop on Future Trends of Distributed Computing Systems (FTDCS 2004); the General Chair, ACM SIGCOMM Asia workshop 2005; the Associate Editor, IEEE Transactions on Vehicular Technology; the Area Editor, Journal of Computer Networks; and the Area Editor, Journal of Parallel and Distributed Computing.
Min Yao received his bachelor degree in computer science and technology fromBeijing University of Posts and Telecommunication, China in 2010 and is currently a PhD candidate in Department of Computer Science and Technology, Tsinghua University, China. His recent research mainly focuses on resource management in cloud computing. He also has done some work on energy-efficient TDMA scheduling in wireless sensor networks before.
Yin Li received his bachelor degree in computer science and technology from Beijing University of Posts and Telecommunication, China in 2009 and is currently a PhD candidate of the Department of Computer Science and Technology, Tsinghua University, China. His research interests include job scheduling in MapReduce, workflow modeling and optimization.
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Lin, C., Yao, M. & Li, Y. Joint study on VMs deployment, assignment and migration in geographically distributed data centers. Front. Comput. Sci. 10, 559–573 (2016). https://doi.org/10.1007/s11704-015-5056-3
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DOI: https://doi.org/10.1007/s11704-015-5056-3