Evaluating Impact of Live Migration on Data Center Energy Saving

被引：7
|
作者：
Akiyama, Soramichi [1 ]
Hirofuchi, Takahiro [2 ]
Honiden, Shinichi [1 ,3 ]
机构：
[1] Univ Tokyo, Grad Sch Informat Sci & Technol, Tokyo, Japan
[2] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki, Japan
[3] Natl Inst Informat, Chiyoda Ku, Tokyo, Japan
来源：
2014 IEEE 6TH INTERNATIONAL CONFERENCE ON CLOUD COMPUTING TECHNOLOGY AND SCIENCE (CLOUDCOM) | 2014年
关键词：
data center; live migration; energy efficiency;
D O I：
10.1109/CloudCom.2014.42
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Energy efficiency of cloud data centers is of great concern today and has been tackled by many researchers. Dynamic VM placement is a well-known strategy to improve energy efficiency of a data center. Virtual machines (VMs) under light load are consolidated into a small number of physical machines (PMs) to turn idle PMs into low-power states. Although live migration is essential for dynamic VM placement, former studies have not yet revealed how energy overhead of live migration has impact on energy efficiency of dynamic VM placement. To tackle this problem, we conducted integrated simulation of energy overhead of live migration and dynamic VM placement using SimGrid. We used three dynamic VM placement policies and two live migration mechanisms (existing pre-copy and an accelerated mechanism invented by us) to thoroughly evaluate the energy overhead. The results showed that in the worst case energy overhead of live migration occupies 5.8% of total energy consumption of a data center.
引用
收藏
页码：759 / 762
页数：4
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