最终用户节点上基于dpdk的应用程序定制网络实现

H. Wippel
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引用次数: 6

摘要

应用定制网络是针对应用需求进行优化的定制网络。它们使用自定义协议栈和网络虚拟化来提供灵活高效的通信。终端用户节点运行一个名为NENA的框架,在运行时连接到此类网络。当前的NENA实现运行在操作系统的网络堆栈之上,并使用Socket API。它可以显示应用定制网络的灵活性,但限制了NENA的性能。像英特尔的数据平面开发工具包(DPDK)这样的包I/O框架提供了对网络接口和高性能的直接访问。因此,这样一个包I/O框架提供了一个增强NENA和研究其性能的机会。在本文中,我们提出了一个新的NENA实现与英特尔的数据平面开发工具包,并评估其性能。实验表明,我们的方法可以实现比基于socket的实现高9倍以上的数据包速率,并且能够使用两个CPU内核饱和10gbit /s链路。
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DPDK-based implementation of application-tailored networks on end user nodes
Application-tailored networks are customized networks optimized for application requirements. They use custom protocol stacks and network virtualization to provide flexible and efficient communication. End user nodes run a framework called NENA to connect to such networks at runtime. The current NENA implementation runs on top of the operating system's network stack and uses the Socket API. It allows to show the flexibility of application-tailored networks but limits NENA's performance. Packet I/O frameworks like Intel's Data Plane Development Kit (DPDK) offer direct access to network interfaces and high performance. So, such a packet I/O framework provides an opportunity to enhance NENA and investigate its performance. In this paper, we present a new implementation of NENA with Intel's Data Plane Development Kit and evaluate its performance. Experiments show that our approach can achieve more than 9 times higher packet rates than a Socket-based implementation and is able to saturate a 10 Gbit/s link using two CPU cores.
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