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Periodic Subflow-based Proactive Flow Installation Mechanism in SDN-based IoT

机译:基于SDN的IOT中基于周期的子流的主动流量安装机制

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Software-defined Network (SDN) is considered as a promising technology to provide a flexible network for 5G. However, as the resource of flow entries in switches is limited in SDN, a novel flow management method is required when facing massive amounts of IoT devices. To the best of our knowledge, existing methods designed for IoT can only be applied to uncomplicated network environments without multiple periodic traffic flows. In this paper, we propose Periodic Subflow-based Proactive Flow Installation Mechanism (PSPFIM), a more widely applicable method with better performance. Compared to related works, we improve the hit ratio by 45 % and installation efficiency by 6.19 times according to results of simulations, which means PSPFIM can reduce the average network latency with even less flow entries.
机译:软件定义的网络(SDN)被认为是提供灵活的网络5G的有希望的技术。然而,由于SDN中的开关中的流条目资源受到限制,因此在面对大量的IOT设备时需要一种新的流量管理方法。据我们所知,为IOT设计的现有方法只能应用于没有多个定期流量流的简单的网络环境。在本文中,我们提出了基于周期流的主动流量安装机制(PSPFIM),一种更广泛适用的方法,具有更好的性能。与相关工程相比,根据模拟结果,我们将命中率提高45%和安装效率,从仿真结果提高6.19倍,这意味着PSPFIM可以减少平均网络延迟,甚至更少的流动条目。

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