Network bandwidth configuration tool for xen virtual machines

Authors:
Kuriakose Mathew;Purushottam Kulkarni;Varsha Apte
Affiliations:
Indian Institute of Technology Bombay, Powai, Mumbai, India;Indian Institute of Technology Bombay, Powai, Mumbai, India;Indian Institute of Technology Bombay, Powai, Mumbai, India
Venue:
COMSNETS'10 Proceedings of the 2nd international conference on COMmunication systems and NETworks
Year:
2010

Citing 3
Cited 0

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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.