期刊
IEEE COMMUNICATIONS SURVEYS AND TUTORIALS
卷 15, 期 4, 页码 1888-1906出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/SURV.2013.013013.00155
关键词
Virtual networks; network virtualization; virtual network embedding; embedding algorithms; network mapping
资金
- EU project All4Green (FP7 STREP) [288674]
- EU project EuroNF (FP7 NoE) [216366]
- EU project EINS (FP7 NoE) [288021]
- Spanish Government project MICINN [TIN2010-20136-C03-01]
Network virtualization is recognized as an enabling technology for the future Internet. It aims to overcome the resistance of the current Internet to architectural change. Application of this technology relies on algorithms that can instantiate virtualized networks on a substrate infrastructure, optimizing the layout for service-relevant metrics. This class of algorithms is commonly known as Virtual Network Embedding (VNE) algorithms. This paper presents a survey of current research in the VNE area. Based upon a novel classification scheme for VNE algorithms a taxonomy of current approaches to the VNE problem is provided and opportunities for further research are discussed.
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