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首页> 外文期刊>Mobile Information Systems >A Robust Optimization Based Energy-Aware Virtual Network Function Placement Proposal for Small Cell 5G Networks with Mobile Edge Computing Capabilities
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A Robust Optimization Based Energy-Aware Virtual Network Function Placement Proposal for Small Cell 5G Networks with Mobile Edge Computing Capabilities

机译:具有移动边缘计算功能的小型5G网络基于稳健优化的能量感知虚拟网络功能放置建议

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摘要

In the context of cloud-enabled 5G radio access networks with network function virtualization capabilities, we focus on the virtual network function placement problem for a multitenant cluster of small cells that provide mobile edge computing services. Under an emerging distributed network architecture and hardware infrastructure, we employ cloud-enabled small cells that integrate microservers for virtualization execution, equipped with additional hardware appliances. We develop an energy-aware placement solution using a robust optimization approach based on service demand uncertainty in order to minimize the power consumption in the system constrained by network service latency requirements and infrastructure terms. Then, we discuss the results of the proposed placement mechanism in 5G scenarios that combine several service flavours and robust protection values. Once the impact of the service flavour and robust protection on the global power consumption of the system is analyzed, numerical results indicate that our proposal succeeds in efficiently placing the virtual network functions that compose the network services in the available hardware infrastructure while fulfilling service constraints.
机译:在具有网络功能虚拟化功能的支持云的5G无线电接入网络的背景下,我们将重点放在提供移动边缘计算服务的小型多小区集群的虚拟网络功能放置问题上。在新兴的分布式网络体系结构和硬件基础架构下,我们采用支持云的小型单元,这些单元集成了用于虚拟化执行的微型服务器,并配备了其他硬件设备。我们基于服务需求的不确定性,使用鲁棒的优化方法开发了一种能源感知的放置解决方案,以最大程度地减少受网络服务等待时间要求和基础设施条款约束的系统功耗。然后,我们讨论了在5G场景中提出的布局机制的结果,该布局结合了多种服务风格和强大的保护价值。一旦分析了服务风格和强大保护对系统全局功耗的影响,数值结果表明,我们的建议成功地将构成网络服务的虚拟网络功能有效地放置在可用的硬件基础结构中,同时满足了服务约束。

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  • 来源
    《Mobile Information Systems》 |2017年第4期|2603410.1-2603410.14|共14页
  • 作者单位

    Univ Basque Country UPV EHU, Fac Engn Bilbao, Alameda Urquijo S-N, Bilbao 48013, Spain;

    Univ Basque Country UPV EHU, Fac Engn Bilbao, Alameda Urquijo S-N, Bilbao 48013, Spain;

    Univ Basque Country UPV EHU, Fac Engn Bilbao, Alameda Urquijo S-N, Bilbao 48013, Spain;

    Univ Basque Country UPV EHU, Fac Engn Bilbao, Alameda Urquijo S-N, Bilbao 48013, Spain;

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