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Multi-VNF performance characterization for virtualized network functions | IEEE Conference Publication | IEEE Xplore

Multi-VNF performance characterization for virtualized network functions


Abstract:

Network Function Virtualization promises to reduce the overall operational and capital expenses experienced by the network operators. Running multiple network functions o...Show More

Abstract:

Network Function Virtualization promises to reduce the overall operational and capital expenses experienced by the network operators. Running multiple network functions on top of a standard x86 server instead of dedicated appliances can increase the utilization of the underlying hardware and reduce the maintenance and management costs. However, total cost of ownership calculations are typically a function of the attainable network throughput, which in a virtualized system is highly dependent on the overall system architecture - in particular the input/ output (I/O) path. In this paper, we investigate the attainable performance of an x86 host running multiple Virtualized Network Functions (VNFs) under different I/O architectures: OVS, SRIOV and FD.io VPP. We show that the system throughput in a multi-VNF environment differs significantly from deployments where only a single VNF is running on a server, while different I/O architectures can achieve different levels of performance.
Date of Conference: 03-07 July 2017
Date Added to IEEE Xplore: 14 August 2017
ISBN Information:
Conference Location: Bologna, Italy

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