Virtual network function placement and resource optimization in NFV and edge computing enabled networks

2019 ◽  
Vol 152 ◽  
pp. 12-24 ◽  
Author(s):  
Defang Li ◽  
Peilin Hong ◽  
Kaiping Xue ◽  
Jianing Pei
Keyword(s):  
Edge Computing ◽  
Resource Optimization ◽  
Virtual Network ◽  
Network Function ◽  
Virtual Network Function

scholarly journals A Robust Optimization Based Energy-Aware Virtual Network Function Placement Proposal for Small Cell 5G Networks with Mobile Edge Computing Capabilities

2017 ◽  
Vol 2017 ◽  
pp. 1-14 ◽  
Author(s):  
Bego Blanco ◽  
Ianire Taboada ◽  
Jose Oscar Fajardo ◽  
Fidel Liberal
Keyword(s):  
Power Consumption ◽  
Robust Optimization ◽  
Edge Computing ◽  
Virtual Network ◽  
Small Cells ◽  
Mobile Edge Computing ◽  
Energy Aware ◽  
Network Function ◽  
The Impact ◽  
Virtual Network Function

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.

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