Virtual network mapping algorithm for large-scale network environment
ZHANG Shun-li, QIU Xue-song, 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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Virtual network mapping algorithm for large-scale network environment
本站小编 哈尔滨工业大学/2019-10-23
相关话题/Virtual network mapping algorithm large
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