Electric power communication virtual fault-tolerant network mapping method and device

A technology of virtual network and electric power communication, which is applied in the field of virtual fault-tolerant network mapping of electric power communication, which can solve problems such as easy to fall into local optimal solution and unable to obtain optimal solution, so as to reduce the scope of influence, avoid node bottleneck and meet high reliability the effect of the demand

Active Publication Date: 2017-03-08
BEIJING UNIV OF POSTS & TELECOMM +2
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However, the disadvantage of the method is that it is easy to fall into a local optimal solution by using the K shortest path algorithm, and the optimal sol

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  • Electric power communication virtual fault-tolerant network mapping method and device
  • Electric power communication virtual fault-tolerant network mapping method and device
  • Electric power communication virtual fault-tolerant network mapping method and device

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[0027] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the present invention. Invented some embodiments, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0028] figure 2 It is a schematic flowchart of an embodiment of a method for mapping a virtual fault-tolerant network of electric power communication according to the present invention, see figure 2 This embodiment discloses a virtual fault-tolerant network mapping method for power communication, which is characterized in that it includes:

[00...

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Abstract

The embodiment of the invention discloses an electric power communication virtual fault-tolerant network mapping method and device. The method comprises two stages of node mapping and link mapping; the node mapping stage comprises the step of selecting a node with the minimum load rate for mapping from nodes of a virtual network providing layer that satifies a preset condition according to a greedy node mapping algorithm based on load balance; and the link mapping stage comprises the step of selecting two disjoint physical links for each virtual link as a main link and an auxiliary link. The device is used for executing the method. The electric power communication virtual fault-tolerant network mapping method provided by the invention can meet the requirement of double-path protection of services in an electric power communication network, and improves the reliability of the network through a balanced load.

Description

technical field [0001] The invention relates to the field of power grids and communication networks, in particular to a mapping method and device for a virtual fault-tolerant network of power communication. Background technique [0002] The network virtualization technology was first applied to the Internet. In order to improve the flexibility and resource utilization of the power communication network, the virtualization technology was applied to the power communication network. [0003] figure 1 For a schematic diagram of the three-tier structure of virtual mapping, see figure 1 , wherein, the service layer is the uppermost layer among the three layers of virtual mapping, and is used to operate, manage and maintain the virtual network. The services carried by the power communication network include demand response services, relay protection services, dispatch automation, power grid operation, maintenance, and production management. These services have high requirements f...

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Application Information

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IPC IPC(8): H04L12/803H04B3/54
CPCH04B3/542H04B3/544H04L47/125
Inventor 郭少勇徐思雅刘柱韦磊孙栎倩李文璟邱雪松
Owner BEIJING UNIV OF POSTS & TELECOMM
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