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A Dynamic Virtual Machine Placement and Migration Scheme for Data Centers - 2018

Research Area:  Cloud Computing


We study the problem of virtual machine (VM) placement and migration in a data center. In the current approaches, VMs are assigned to physical servers using on-demand provisioning. Such an approach is simple but it often results in a poor performance due to resource fragmentation. Additionally, sub-optimal VM placement usually generates unneeded VM migration and unnecessary cross network traffic. The efficiency of a datacenter therefore significantly depends on how VMs are provisioned and where they are placed. A good placement scheme will not only improve the quality of service but also reduce the operation cost of the data center. In this paper, we study the problem of optimal VM placement and migration to minimize resource usage and power consumption in a data center. We formulate the optimization problem as a joint multiple objective function and solve it by leveraging the framework of convex optimization. Due to the intractable nature of the combinatorial optimization, we then propose Multi-level Join VM Placement and Migration (MJPM) algorithms based on the relaxed convex optimization framework to approximate the optimal solution. The theoretical analysis demonstrates the effectiveness of our proposed algorithms that substantially increases data center efficiency. In addition, our extensive simulation results on different practical topologies show significant performance improvement over the existing approaches.

Author(s) Name:  Thuan Duong-Ba; Tuan Tran; Thinh Nguyen and Bella Bose

Journal name:  IEEE Transactions on Services Computing

Conferrence name:  

Publisher name:  IEEE

DOI:  10.1109/TSC.2018.2817208

Volume Information:  Volume: 14, Issue: 2, March-April 1 2021,Page(s): 329 - 341