Performance evaluation of 10GE NICs with SR-IOV support: i/o virtualization and network stack optimizations

Authors:
Shu Huang;Ilia Baldine
Affiliations:
Renaissance Computing Institute, Chapel Hill, NC;Renaissance Computing Institute, Chapel Hill, NC
Venue:
MMB'12/DFT'12 Proceedings of the 16th international GI/ITG conference on Measurement, Modelling, and Evaluation of Computing Systems and Dependability and Fault Tolerance
Year:
2012

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Abstract

SR-IOV has been proposed to improve the performance and scalability of I/O in Virtual machines and some 10GE NICs supporting this functionality have already appeared on the market. In addition to the SR-IOV support, these NICs all provide optimizations for various network layers within the OS kernel. In this paper we try to present a comprehensive view of the performance gain by SR-IOV. This study is conducted by evaluating the performance of 10GE NICs with SR-IOV support at different layers in various virtualized environments.