Optimal Virtual Network Function Deployment for 5G Network Slicing in a Hybrid Cloud Infrastructure

doi:10.1109/TWC.2020.3017628

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	Optimal Virtual Network Function Deployment for 5G Network Slicing in a Hybrid Cloud Infrastructure
	De Domenico, Antonio 1,2; Liu, Ya-Feng 3; Yu, Wei 4
	2020-12-01
发表期刊	IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
ISSN	1536-1276
卷号	19 期号:12 页码:7942-7956
摘要	Network virtualization is a key enabler for 5G systems to support the expected use cases of vertical markets. In this context, we study the joint optimal deployment of Virtual Network Functions (VNFs) and allocation of computational resources in a hybrid cloud infrastructure by taking the requirements of the 5G services and the characteristics of the cloud architecture into consideration. The resulting mixed-integer problem is reformulated as an integer linear problem, which can be solved by using a standard solver. Our results underline the advantages of a hybrid infrastructure over a standard cloud radio access network consisting only of a central cloud, and show that the proposed mechanism to deploy VNF chains leads to high resource utilization efficiency and large gains in terms of the number of supported VNF chains. To deal with the computational complexity of optimizing a large number of clouds and VNF chains, we propose a simple low-complexity heuristic that attempts to find a feasible VNF deployment solution with a limited number of functional splits. Numerical results indicate that the performance of the proposed heuristic is close to the optimal one when the edge clouds are well dimensioned with respect to the computational requirements of the 5G services.
关键词	Cloud computing 5G mobile communication Computer architecture Resource management Radio access networks Wireless communication 5G mobile communication network function virtualization (NFV) network slicing integer linear programming (ILP)
DOI	10.1109/TWC.2020.3017628
收录类别	SCI
语种	英语
资助项目	EU ; National Natural Science Foundation of China (NSFC)[11688101] ; National Natural Science Foundation of China (NSFC)[11671419] ; National Natural Science Foundation of China (NSFC)[11631013] ; Natural Sciences and Engineering Research Council (NSERC) of Canada via the Canada Research Chairs program
WOS研究方向	Engineering ; Telecommunications
WOS类目	Engineering, Electrical & Electronic ; Telecommunications
WOS记录号	WOS:000597156900009
出版者	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
引用统计
文献类型	期刊论文
条目标识符	http://ir.amss.ac.cn/handle/2S8OKBNM/57787
专题	中国科学院数学与系统科学研究院
通讯作者	De Domenico, Antonio
作者单位	1.CEA LETI, Grenoble, France 2.Huawei Technol, Paris Res Ctr, F-92100 Boulogne Billancourt, France 3.Chinese Acad Sci, State Key Lab Sci & Engn Comp, Inst Computat Math & Sci Engn Comp, Acad Math & Syst Sci, Beijing 100190, Peoples R China 4.Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada
推荐引用方式 GB/T 7714	De Domenico, Antonio,Liu, Ya-Feng,Yu, Wei. Optimal Virtual Network Function Deployment for 5G Network Slicing in a Hybrid Cloud Infrastructure[J]. IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS,2020,19(12):7942-7956.
APA	De Domenico, Antonio,Liu, Ya-Feng,&Yu, Wei.(2020).Optimal Virtual Network Function Deployment for 5G Network Slicing in a Hybrid Cloud Infrastructure.IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS,19(12),7942-7956.
MLA	De Domenico, Antonio,et al."Optimal Virtual Network Function Deployment for 5G Network Slicing in a Hybrid Cloud Infrastructure".IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 19.12(2020):7942-7956.