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Towards including batch services in models for DPDK-based virtual switches

机译:希望在基于DPDK的虚拟交换机的模型中包括批处理服务

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With the development of NFV (Network Function Virtualization) paradigm, networking functions would gradually move from specialized and proprietary hardware to open-source software run over a virtual machine (VM) deployed on commodity hardware. Open vSwitch (OVS) is the most prominent open-source solution implementing a virtual switch, while DPDK (Data Plane Development Kit) is a set of specialized libraries to enhance the performance. In particular, DPDK allows packets to be processed by batches. In this paper, we address the issue of modeling the behavior of a DPDK-based virtual switch. First, we investigate the influence of batch services on the overall performance of a virtual switch. Second, we extend two former analytical models to include the processing of packets by batches. We propose a simple means to do it, and we evaluate the accuracy of our solution on two different scenarios. Numerical results show that, despite its simplicity, our approach provides fairly good results when compared to simulation.
机译:随着NFV(网络功能虚拟化)范例的发展,网络功能将逐渐从专用的专用硬件转移到运行在商用硬件上部署的虚拟机(VM)上的开源软件。 Open vSwitch(OVS)是实现虚拟交换机的最著名的开源解决方案,而DPDK(Data Plane Development Kit)是一组专用的库,可以提高性能。特别是,DPDK允许分批处理数据包。在本文中,我们解决了对基于DPDK的虚拟交换机的行为进行建模的问题。首先,我们研究批处理服务对虚拟交换机整体性能的影响。其次,我们扩展了两个以前的分析模型,以包括分批处理数据包。我们提出了一种简单的方法来执行此操作,并且我们在两种不同的情况下评估了解决方案的准确性。数值结果表明,尽管它很简单,但与仿真相比,我们的方法仍提供了相当不错的结果。

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