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Software-Defined Vehicular Cloud Networks: Architecture Applications and Virtual Machine Migration

机译:软件定义的车辆云网络:体系结构应用程序和虚拟机迁移

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摘要

Cloud computing supports many unprecedented cloud-based vehicular applications. To improve connectivity and bandwidth through programmable networking architectures, Software- Defined (SD) Vehicular Network (SDVN) is introduced. SDVN architecture enables vehicles to be equipped with SDN OpenFlow switch on which the routing rules are updated from a SDN OpenFlow controller. From SDVN, new vehicular architectures are introduced, for instance SD Vehicular Cloud (SDVC). In SDVC, vehicles are SDN devices that host virtualization technology for enabling deployment of cloud-based vehicular applications. In addition, the migration of Virtual Machines (VM) over SDVC challenges the performance of cloud-based vehicular applications due the highly mobility of vehicles. However, the current literature that discusses VM migration in SDVC is very limited. In this paper, we first analyze the evolution of computation and networking technologies of SDVC with a focus on its architecture within the cloud-based vehicular environment. Then, we discuss the potential cloud-based vehicular applications assisted by the SDVC along with its ability to manage several VM migration scenarios. Lastly, we provide a detailed comparison of existing frameworks in SDVC that integrate the VM migration approach and different emulators or simulators network used to evaluate VM frameworks’ use cases.
机译:云计算支持许多前所未有的基于云的车辆应用程序。为了通过可编程网络体系结构改善连接性和带宽,引入了软件定义(SD)车载网络(SDVN)。 SDVN体系结构使车辆能够配备SDN OpenFlow交换机,并在该交换机上从SDN OpenFlow控制器更新路由规则。从SDVN开始,引入了新的车辆架构,例如SD车辆云(SDVC)。在SDVC中,车辆是承载虚拟化技术的SDN设备,用于部署基于云的车辆应用程序。此外,由于车辆的高度移动性,通过SDVC进行虚拟机(VM)的迁移也对基于云的车辆应用程序的性能提出了挑战。但是,目前讨论SDVC中的VM迁移的文献非常有限。在本文中,我们首先分析SDVC的计算和网络技术的发展,重点是基于云的车辆环境中的SDVC体系结构。然后,我们将讨论在SDVC的帮助下潜在的基于云的车载应用程序及其管理多种VM迁移方案的能力。最后,我们提供了SDVC中现有框架的详细比较,这些框架集成了VM迁移方法和用于评估VM框架用例的不同仿真器或模拟器网络。

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