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首页> 外文会议>International Conference on Information and Communication Technology Convergence >Design of scalable SDN based eMBMS/WLAN network architecture assisted by Fog Computing
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Design of scalable SDN based eMBMS/WLAN network architecture assisted by Fog Computing

机译：雾计算辅助的基于SDN的可扩展SDN eMBMS / WLAN网络架构设计

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摘要

For flexibly providing bandwidth-intensive services to a number of multi-radio users (MR-UEs) in cellular heterogeneous networks, Software Defined Networking (SDN) emerges as an evolutionary notion because of its centralized management. However, such SDN based fully-centralized control architecture of cellular networks still suffer from scalability issues, fault tolerance, latency problems etc. Besides, fog computing is introduced as an extension of cloud computing from core to the edges of network, bringing real-time and latency-sensitive services close to the users. Furthermore, a number of multicast users can be served through Device-to-device (D2D) communication without effecting the backhaul network. In this paper, we design a novel semi-centralized architecture for eMBMS/WLAN heterogeneous network which is assisted by multi-level control plane and fog nodes, to efficiently serve D2D multicast users. Given the access points have capability to be transformed into configurable fog nodes, we believe that popular multicast content can be cached by fog nodes to serve MR-UEs in less time. Under the supervision of one controller, multiple local controllers collaborate towards reliable multicasting in SDN-based heterogeneous networks.
机译：为了向蜂窝异构网络中的多个多无线电用户（MR-UE）灵活地提供带宽密集型服务，由于其集中管理，软件定义网络（SDN）成为一种演进的概念。但是，这种基于SDN的蜂窝网络全集中控制架构仍然存在可伸缩性，容错性，等待时间等问题。此外，雾计算作为云计算从核心到网络边缘的扩展而引入。和对延迟敏感的服务，靠近用户。此外，可以通过设备到设备（D2D）通信为许多多播用户提供服务，而不会影响回程网络。在本文中，我们为eMBMS / WLAN异构网络设计了一种新颖的半集中式架构，该架构在多级控制平面和雾节点的辅助下可以有效地为D2D组播用户提供服务。鉴于接入点具有转换为可配置雾节点的能力，我们认为雾节点可以缓存流行的多播内容，从而在更短的时间内为MR-UE提供服务。在一个控制器的监督下，多个本地控制器协作以实现基于SDN的异构网络中的可靠多播。

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