CLC number: TP393
On-line Access: 2015-01-29
Received: 2014-04-23
Revision Accepted: 2014-09-08
Crosschecked: 2015-01-05
Cited: 7
Clicked: 9385
Citations: Bibtex RefMan EndNote GB/T7714
Jian Ding, Tao Huang, Jiang Liu, Yun-jie Liu. Virtual network embedding based on real-time topological attributes[J]. Frontiers of Information Technology & Electronic Engineering, 2015, 16(2): 109-118.
@article{title="Virtual network embedding based on real-time topological attributes",
author="Jian Ding, Tao Huang, Jiang Liu, Yun-jie Liu",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="16",
number="2",
pages="109-118",
year="2015",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.1400147"
}
%0 Journal Article
%T Virtual network embedding based on real-time topological attributes
%A Jian Ding
%A Tao Huang
%A Jiang Liu
%A Yun-jie Liu
%J Frontiers of Information Technology & Electronic Engineering
%V 16
%N 2
%P 109-118
%@ 2095-9184
%D 2015
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.1400147
TY - JOUR
T1 - Virtual network embedding based on real-time topological attributes
A1 - Jian Ding
A1 - Tao Huang
A1 - Jiang Liu
A1 - Yun-jie Liu
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 16
IS - 2
SP - 109
EP - 118
%@ 2095-9184
Y1 - 2015
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.1400147
Abstract: As a great challenge of network virtualization, virtual network embedding/mapping is increasingly important. It aims to successfully and efficiently assign the nodes and links of a virtual network (VN) onto a shared substrate network. The problem has been proved to be NP-hard and some heuristic algorithms have been proposed. However, most of the algorithms use only the local information of a node, such as CPU capacity and bandwidth, to determine how to map a VN, without considering the topological attributes which may pose significant impact on the performance of the embedding. In this paper, a new embedding algorithm is proposed based on real-time topological attributes. The concept of betweenness centrality in graph theory is borrowed to sort the nodes of VNs, and the nodes of the substrate network are sorted according to the correlation properties between the former selected and unselected nodes. In this way, node mapping and link mapping can be well coupled. A simulator is built to evaluate the performance of the proposed virtual network embedding (VNE) algorithm. The results show that the new algorithm significantly increases the revenue/cost (R/C) ratio and acceptance ratio as well as reduces the runtime.
Generally, this paper is a good contribution to the virtual network embedding problem because it is the first time that the topological attributes: betweenness and closeness centrality are included to solve the problem.
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