Live Migration of Virtualized Edge Networks: Analytical Modeling and Performance Evaluation

F. Callegati, W. Cerroni
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引用次数: 31

Abstract

Following the current evolution of virtualization techniques and software defined networking, edge networks might evolve towards a fully virtualized implementation by means of a number of virtual machines working cooperatively to perform the tasks of existing network middleboxes. In such a scenario the possibility to migrate groups of cooperating virtual machines as a whole set may be a very important feature, but what will be the performance issues of this solution? The live migration performance of multiple virtual machines working in some sort of correlated manner is a topic that has not been widely studied in the literature. This manuscript presents a model reasonably simple to implement that may be used to derive some performance indicators such as the whole service downtime and the total migration time. The model is used to compare some scheduling strategies for the migration and provide guidelines to such implementation.
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虚拟化边缘网络的实时迁移:分析建模和性能评估
随着当前虚拟化技术和软件定义网络的发展,边缘网络可能会朝着完全虚拟化的方向发展,通过许多虚拟机协同工作来执行现有网络中间盒的任务。在这样的场景中,将协作虚拟机组作为一个整体迁移的可能性可能是一个非常重要的特性,但是这种解决方案的性能问题是什么呢?以某种相关方式工作的多个虚拟机的实时迁移性能是一个在文献中尚未广泛研究的主题。本文提出了一个实现起来相当简单的模型,可用于推导一些性能指标,如整个服务停机时间和总迁移时间。该模型用于比较迁移的一些调度策略,并为此类实现提供指导。
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