A Routing and Spectrum Allocation Method for Power Optical Transmission Based on Elastic Optical Network
An elastic optical network and spectrum allocation technology, which is applied in the field of power communication network, can solve the problems of uneven risk distribution and spectrum fragmentation of power communication network, and achieve the solution of node transfer hops and the risk balance of the whole network, and improve the frequency spectrum. Utilization, the effect of reducing spectrum fragmentation
Active Publication Date: 2021-09-28
STATE GRID FUJIAN ELECTRIC POWER CO LTD +1
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[0005] In view of this, the purpose of the present invention is to propose a power optical transmission routing and spectrum allocation method based on an elastic optical network to solve the problems of uneven risk distribution and spectrum fragmentation in the power communication network in the prior art, and to achieve comprehensive consideration Routing and spectrum, balance the number of transfer hops and risk balance, and improve the effect of resource utilization
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[0060] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0061] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0062] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinati...
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The invention relates to a power optical transmission routing and spectrum allocation method based on an elastic optical network. According to the power communication topology, the set of alternative routes among the nodes of each power communication network is determined; the routes are colored and classified, and the total number of colors to be allocated is determined. , according to the number of routing node hops and the total number of spectrum colors to determine the coloring of the route candidate set to reduce the risk balance of the entire network; according to the total number of colors allocated and the number of routing classes allocated to each color, the spectrum is divided into blocks in proportion; For the transmission of electric power communication services, comprehensively consider the number of transfer hops and the risk balance value of the entire network, select the optimal solution from the routing alternative set, and determine the route for performing service allocation; determine the spectrum block according to the selected route and the color of the allocation location to complete the spectrum allocation. The invention can comprehensively consider routing and frequency spectrum, balance the number of transfer hops and risk balance, and improve resource utilization.
Description
technical field [0001] The invention relates to the technical field of electric power communication network, in particular to a power optical transmission routing and frequency spectrum allocation method based on elastic optical network. Background technique [0002] With the gradual deployment and advancement of the Energy Internet, the frequency of interaction between the source network and the load will accelerate, the production and management services carried by the power communication network will increase, and new applications such as high-definition video distribution and cloud services will be in the ascendant. The increase in power grid information services has led to an increase in the demand for bandwidth, and the cores of some backbone optical cables are close to saturation, and there are bottlenecks in the cores of local optical cables in the network, which cannot meet the needs of new communication circuits. The gradual enrichment of business requirements and ...
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IPC IPC(8): H04L12/733H04L12/803H04Q11/00H04L45/122
CPCH04L45/122H04L47/125H04Q11/0062H04Q2011/0073H04Q2011/0086H04L45/22H04B3/54H04L47/122H04B10/27H04J14/0271H04J14/0284H04B10/25H04L41/142
Inventor 唐元春夏炳森林文钦林红阳陈端云游敏毅陈力周钊正郑欢陈卓琳张芬芬
Owner STATE GRID FUJIAN ELECTRIC POWER CO LTD
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