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Towards high performance virtual routers on commodity hardware

Egi, Norbert and Greenhalgh, Adam and Handley, Mark and Hoerdt, Mickael and Huici, Felipe and Mathy, Laurent (2008) Towards high performance virtual routers on commodity hardware. In: CoNEXT '08: Proceedings of the 2008 ACM CoNEXT Conference. ACM, New York, NY, USA, pp. 1-12. ISBN 978-1-60558-210-8

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Abstract

Modern commodity hardware architectures, with their multiple multi-core CPUs and high-speed system interconnects, exhibit tremendous power. In this paper, we study performance limitations when building both software routers and software virtual routers on such systems. We show that the fundamental performance bottleneck is currently the memory system, and that through careful mapping of tasks to CPU cores, we can achieve forwarding rates of 7 million minimum-sized packets per second on mid-range server-class systems, thus demonstrating the viability of software routers. We also find that current virtualisation systems, when used to provide forwarding engine virtualisation, yield aggregate performance equivalent to that of a single software router, a tenfold improvement on current virtual router platform performance. Finally, we identify principles for the construction of high-performance software router systems on commodity hardware, including full router virtualisation support.

Item Type: Contribution in Book/Report/Proceedings
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 57212
Deposited By: ep_importer_pure
Deposited On: 20 Aug 2012 11:20
Refereed?: No
Published?: Published
Last Modified: 22 Oct 2017 03:17
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/57212

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