A virtual network mapping method
A technology of virtual network mapping and virtual network, applied in the direction of network interconnection, data exchange network, digital transmission system, etc., can solve the problem of ignoring the local link connectivity and bandwidth of nodes, so as to reduce the average mapping length and improve the acceptance. efficiency, and the effect of improving the revenue-to-cost ratio
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[0034] Below in conjunction with accompanying drawing, the present invention will be further described:
[0035] Such as figure 1 shown, refer to figure 2 , in one embodiment, the virtual network mapping method of the present invention includes:
[0036] Step A1: Calculate the weight of each node cluster coefficient in the physical network.
[0037] The concept of cluster coefficient was proposed by Watts-Strogatz in 1998. It reflects the reachability between nodes adjacent to node i. On this basis, Barrat defined the weighted cluster coefficient:
[0038]
[0039] where a ij Indicates the connection flag, a ij ∈[0,1], when there is a connection between i and j, a ij = 1, otherwise a ij =0. a jk ,a ik Ditto. w ij Indicates the weight of the edge between nodes i and j, The larger the cluster coefficient, the higher the affluence of the links around node i.
[0040] The applicant introduces the theory of cluster coefficients in the complex network into the ne...
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