Live migration based on the characteristics of operation stages for virtual machine

xin ZOUQing; yu HAOZhi; chun YUNXiao

doi:10.11959/j.issn.1000-436x.2016021

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Live migration based on the characteristics of operation stages for virtual machine

Academic paper | 更新时间：2024-06-05

- Live migration based on the characteristics of operation stages for virtual machine
- Journal on Communications Vol. 37, Issue 1, Pages: 170-179(2016)
- 作者机构：
  
  1. 中国科学院计算技术研究所，北京 100190
  2. 中国科学院大学，北京 100049
  3. 中国科学院信息工程研究所，北京 100193
- 作者简介：
- 基金信息：
  
  The National Science and Technology Support Program(2012BAH46B02)
- DOI：10.11959/j.issn.1000-436x.2016021
  CLC： TP302
- Online First：2016-01，
  
  Published：25 January 2016
- 稿件说明：
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xin ZOUQing, yu HAOZhi, chun YUNXiao. Live migration based on the characteristics of operation stages for virtual machine[J]. Journal on Communications, 2016, 37(1): 170-179.
DOI：

xin ZOUQing, yu HAOZhi, chun YUNXiao. Live migration based on the characteristics of operation stages for virtual machine[J]. Journal on Communications, 2016, 37(1): 170-179. DOI： 10.11959/j.issn.1000-436x.2016021.

摘要

针对预拷贝算法在起始、迭代、结尾 3个阶段所表现出的不同特点，提出了基于运行阶段特征的虚拟机实时迁移技术(LMCOS

live migration based on the characteristics of the operation stages)。起始阶段引入比对初始内存页的变量传输技术以避免未改变内存部分的传输；迭代阶段引入计数排序传输方法以减少内存页的重传；结尾阶段引入调减虚拟机CPU时间片的策略以缩短停机时间。与预拷贝算法相比，LMCOS使停机时间平均减少53%，总迁移时间平均减少65%。

Abstract

Being directed against the different characteristics of start

iterative and end stages of pre-copy algorithm

live migration based on the characteristics of operation stages referred to as LMCOS was proposed. In the start stage

the technique of comparing initial memory page and sending variables was brought to avoid the transferring of unmodified memory. During the iterative stage

the transmitting method of counting sort was brought to reduce retransmitting mem-ory pages. In the end stage

the police of reducing time slices of virtual machine's CPU was brought to shorten the down-time. Compared with pre-copy algorithm

LMCOS reduces downtime by 53% and total migration time by 65% on average.

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references

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