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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:ZHANG Shun-li,QIU Xue-song,MENG Luo-ming.Virtual network mapping algorithm for large-scale network environment[J].Journal of Harbin Institute Of Technology(New Series),2012,19(4):55-63.DOI:10.11916/j.issn.1005-9113.2012.04.010.
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Virtual network mapping algorithm for large-scale network environment
Author NameAffiliation
ZHANG Shun-li State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China 
QIU Xue-song State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China 
MENG Luo-ming State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China 
Abstract:
A major challenge of network virtualization is the virtual network resource allocation problem that deals with efficient mapping of virtual nodes and virtual links onto the substrate network resources. However, the existing algorithms are almost concentrated on the randomly small-scale network topology, which is not suitable for practical large-scale network environments, because more time is spent on traversing SN and VN, resulting in VN requests congestion. To address this problem, virtual network mapping algorithm is proposed for large-scale network based on small-world characteristic of complex network and network coordinate system. Compared our algorithm with algorithm D-ViNE, experimental results show that our algorithm improves the overall performance.
Key words:  network virtualization  virtual network mapping  complex network  network coordinate system  simulated annealing algorithm
DOI：10.11916/j.issn.1005-9113.2012.04.010
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