Abstract：To improve the low acceptance ratio and revenue-cost ratio caused by the negligence of the topology attribute of the nodes in the existing virtual network embedding algorithm, the theory of fields in physics is introduced into the virtual network embedding, and a Virtual Network Embedding algorithm based on Topology Potential (TP-VNE) is proposed. In the node embedding stage, the virtual node is embedded onto the optimal physical node by calculating the topology potential of the node, the resource capacity of the node, and the distance between the embedded nodes and the node to embed. In the link embedding stage, the virtual link is embedded onto the best physical path by calculating the available bandwidth of the path and the hops of the path. Experimental results show that the proposed algorithm has the higher acceptance ratio and revenue-cost ratio compared with the existing virtual network embedding algorithm in all simulation conditions.
刘新波,王布宏,杨智显,刘帅琦. 一种基于拓扑势的虚拟网络映射算法[J]. 电子与信息学报, 2018, 40(7): 1684-1690.
LIU Xinbo, WANG Buhong, YANG Zhixian, LIU Shuaiqi. A Virtual Network Embedding Algorithm Based on Topology Potential. JEIT, 2018, 40(7): 1684-1690.
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