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Method and device of route wavelength allocation of electric power optical fiber communication network

A technology of wavelength distribution and power optical fiber, which is applied in the field of routing wavelength distribution of power fiber optic communication network, and can solve the problems of low utilization rate of network resources and high average blocking rate

Active Publication Date: 2013-07-10
POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD +1
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Problems solved by technology

[0004] Based on this, it is necessary to provide a routing wavelength allocation method and device for power optical fiber communication networks in view of the technical problems of low network resource utilization and high average blocking rate when routing wavelength allocation in the prior art

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  • Method and device of route wavelength allocation of electric power optical fiber communication network
  • Method and device of route wavelength allocation of electric power optical fiber communication network
  • Method and device of route wavelength allocation of electric power optical fiber communication network

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Embodiment Construction

[0043] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0044] Such as figure 1 Shown is a working flow chart of a routing wavelength allocation method for an electric optical fiber communication network according to the present invention.

[0045] A routing wavelength allocation method for a power optical fiber communication network, comprising:

[0046] Step S101, responding to a service connection allocation request, the service connection allocation request including a destination node and a source node for service connection on the power optical fiber communication network;

[0047] Step S102, according to the physical topology of the power optical fiber communication network, the number of supported wavelengths, the destination node and the source node, construct a multi-layer interconnection virtual topology map, each of the multi-layer interconnection virtual topology maps A layer represents a supported ...

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Abstract

The invention relates to the relative technical filed of electric power optical fiber communication networks, in particular to a method and a device of route wavelength allocation of an electric power optical fiber communication network. The method of the electric power optical fiber communication network includes that service connection distribution requests are responded; multilevel interconnection virtual topological graphs are constructed according to physical topologies of the electric power optical fiber communication network, supported wavelength amount, destination nodes and originating nodes; route wavelength allocation initial disaggregation which conducts the route wavelength allocation to service of the destination nodes and the originating nodes are calculated according to available optical channel numbers and path lengths on links of the physical topologies of the electric power optical fiber communication network; a optimum solution is obtained form the route wavelength allocation initial disaggregation; and the route wavelength allocation is conducted to the service of the destination nodes and the originating nodes according to the optimum solution. According to the method and the device of the electric power optical fiber communication network, a route wavelength allocation problem is solved in one time through a dynamic routing and wavelength joint distribution method by utilizing of a wavelength multilevel interconnection virtual topological graph model.

Description

technical field [0001] The invention relates to the related technical field of electric power optical fiber communication network, in particular to a routing wavelength allocation method and device of electric power optical fiber communication network. Background technique [0002] With the introduction of the definition and characteristics of the smart grid, and the rapid development and wide application of various information application systems such as power production and management, how to establish a new generation of advanced, large-capacity, multi-service, and stable power information communication network is the current power system. important topic. The new power information communication network adopts the intelligent optical network technology based on wavelength division multiplexing (WDM) to provide dynamic, reliable, real-time and broadband communication services for the smart grid. WDM all-optical network is gradually becoming the most competitive transmissi...

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Application Information

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IPC IPC(8): H04Q11/00H04L12/803H04L12/721H04L12/46
Inventor 蒋康明曾瑛唐良瑞汪莹李伟坚吴润泽樊冰刘新展冯森朱文红
Owner POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD
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