基于概率预测的虚拟机动态迁移机制改进

方义秋; 陈玉洋; 葛君伟

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基于概率预测的虚拟机动态迁移机制改进

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- 基于概率预测的虚拟机动态迁移机制改进
- Improvement of Live Migration Mechanism for Virtual Machine Based on Pre-Copy
- 微电子学与计算机 2016年33卷第11期页码：176-180
- 作者机构：
  
  重庆邮电大学机构计算机科学与技术学院,重庆,400065
- 作者简介：
- 基金信息：
  
  重庆市教委科技项目 KJ090519
- DOI：
  中图分类号：
- 纸质出版：2016
- 稿件说明：
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方义秋, 陈玉洋, 葛君伟. 基于概率预测的虚拟机动态迁移机制改进[J]. 微电子学与计算机, 2016, 33(11): 176-180.

FANG Yi-qiu, CHEN Yu-yang, GE Jun-wei. Improvement of Live Migration Mechanism for Virtual Machine Based on Pre-Copy[J]. 2016, 33(11): 176-180.
方义秋, 陈玉洋, 葛君伟. 基于概率预测的虚拟机动态迁移机制改进[J]. 微电子学与计算机, 2016, 33(11): 176-180. DOI：

FANG Yi-qiu, CHEN Yu-yang, GE Jun-wei. Improvement of Live Migration Mechanism for Virtual Machine Based on Pre-Copy[J]. 2016, 33(11): 176-180. DOI：

摘要

提出在基于概率预测的pre-copy算法的基础上

引入带宽自适应算法

当脏页率突然增大时

带宽自适应算法能够自动提高迭代传输带宽

缩短传输时间.实验结果表明

在脏页率较高和脏页率变化较大时

该策略能够明显缩短迭代传送时间和停机时间

提高迁移性能和业务服务质量.

Abstract

An Adaptive Bandwidth Algorithm is introduced in the pre-copy algorithm based on probability prediction. When dirty pages rate suddenly increases to a larger value

that algorithm could improve the transmission bandwidth to shorten transmission time. Experimental results show that the rate of dirty pages increase suddenly or is great

that strategy can improve the transmission bandwidth

shorten the total time of iterative transfer and downtime

so as to improve migration performance and quality service.

关键词

Keywords

references

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