Optimal Network Function Virtualization and Service Function Chaining: A Survey

被引：79
作者：
Mirjalily, Ghasem [1 ,2 ]
Luo Zhiquan [2 ]
机构：
[1] Yazd Univ, Dept Elect Engn, Yazd, Iran
[2] Chinese Univ Hong Kong, Shenzhen Res Inst Big Data, Shenzhen 518172, Peoples R China
来源：
CHINESE JOURNAL OF ELECTRONICS | 2018年 / 27卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Network function virtualization (NFV); Virtual network functions; Service function chaining (SFC); PLACEMENT;
D O I：
10.1049/cje.2018.05.008
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Network function virtualization (NFV) and Service function chaining (SFC) can fulfill the traditional network functions by simply running special softwares on general-purpose computer servers and switches. This not only provides significantly more agility and flexibility in network service deployment, but can also greatly reduce the capital and operating cost of networks. In this paper, a comprehensive survey on the motivations and state of the art efforts towards implementing the NFV and SFC is provided. In particular, the paper first presents the main concepts of these new emerging technologies; then discusses in details various stages of SFC, including the description, composition, placement and scheduling of service chains. Afterwards, existing approaches to SFC are reviewed according to their application environments, parameters used, and solution strategies. Finally, the paper points out a number of future research directions.
引用
收藏
页码：704 / 717
页数：14
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