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Virtual Network Embedding: A Hybrid Vertex Mapping Solution for Dynamic Resource Allocation
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.ORCID iD: 0000-0002-6427-4612
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.ORCID iD: 0000-0002-3172-076X
2012 (English)In: Journal of Electrical and Computer Engineering, ISSN 2090-0147, E-ISSN 2090-0155, no Article ID:358647, 1-17 p.Article in journal (Refereed) Published
Abstract [en]

Virtual network embedding (VNE) is a key area in network virtualization, and the overall purpose of VNE is to map virtualnetworks onto an underlying physical network referred to as a substrate. Typically, the virtual networks have certain demands,such as resource requirements, that need to be satisfied by the mapping process. A virtual network (VN) can be described in termsof vertices (nodes) and edges (links) with certain resource requirements, and, to embed a VN, substrate resources are assigned tothese vertices and edges. Substrate networks have finite resources and utilizing them efficiently is an important objective for a VNEmethod. This paper analyzes two existing vertex mapping approaches—one which only considers if enough node resources areavailable for the current VN mapping and one which considers to what degree a node already is utilized by existing VN embeddingsbefore doing the vertex mapping. The paper also proposes a new vertex mapping approach which minimizes complete exhaustionof substrate nodes while still providing good overall resource utilization. Experimental results are presented to show under whatcircumstances the proposed vertex mapping approach can provide superior VN embedding properties compared to the otherapproaches.

Place, publisher, year, edition, pages
Hindawi Publishing Corporation, 2012. no Article ID:358647, 1-17 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-101994DOI: 10.1155/2012/358647Scopus ID: 2-s2.0-84866979297OAI: oai:DiVA.org:kth-101994DiVA: diva2:550203
Funder
ICT - The Next Generation
Note

QC 20120919

Available from: 2012-09-19 Created: 2012-09-06 Last updated: 2017-12-07Bibliographically approved

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Hidell, MarkusSjödin, Peter

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Citation style
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