Network bandwidth configuration tool for Xen virtual machines

K. Mathew, Purushottam Kulkarni, V. Apte
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引用次数: 9

Abstract

Performance differentiation has always been a requirement in virtualized environments, especially in case where virtualization is used in high-end data center applications. In this paper, we present a command-line tool for Network bandwidth differentiation in Xen, which is an open source solution for virtualization. Though the CPU credit scheduler in Xen can be configured using command-line tools to specify weights and caps for a virtual machine, no such tools exist to specify the network bandwidth limits. Through our tool, xmsetbw, network bandwidth limits for a virtual machine in Xen can be specified and dynamically reconfigured (without kernel recompilation). Experimental evaluations show that bandwidth utilization is limited within specified values.
用于Xen虚拟机的网络带宽配置工具
在虚拟化环境中,性能差异一直是一个需求,特别是在高端数据中心应用程序中使用虚拟化的情况下。在本文中,我们介绍了Xen中用于网络带宽区分的命令行工具,Xen是一种用于虚拟化的开源解决方案。虽然可以使用命令行工具配置Xen中的CPU信用调度器,以指定虚拟机的权重和上限,但不存在这样的工具来指定网络带宽限制。通过我们的工具xmsetbw,可以指定Xen中虚拟机的网络带宽限制并动态重新配置(无需重新编译内核)。实验评估表明,带宽利用率被限制在规定的范围内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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