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Optimization method of optical network

An optimization method and optical network technology, applied in the field of communication, can solve the problems that affect the effect of optical network optimization, cannot guarantee the best results, etc., and achieve the effect of improving the effect and high computing efficiency.

Active Publication Date: 2013-09-11
SUZHOU UNIV
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Problems solved by technology

[0004] Since the order of different optical path service request sequences will have a great impact on the wavelength routing allocation algorithm, the one-time heuristic algorithm in the prior art cannot guarantee that the best result can always be obtained every time, thus affecting the optical network optimization. Effect

Method used

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Embodiment Construction

[0037] The following will clearly and completely 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 only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0038] In order to improve the effect of optical network optimization, an embodiment of the present invention provides an optical network optimization method, such as figure 1 shown, including steps:

[0039] S11. Obtain an optical path service request set including multiple optical path service requests;

[0040] In optical network optimization, there are combinatorial optimization problems, such as the wavelength routing assignment problem and subcarrier traffic...

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Abstract

An embodiment of the invention discloses an optimization method of an optical network. The method includes: acquiring an optical path service request set including a plurality of optical path service requests; generating a plurality of optical path request service sequences, sorted differently, for the optical path service request set; parallelly acquiring results of calculation from each optical path request service sequence by multiple processing terminals; acquiring all results of calculations, and comparing the results of calculations to obtain an optimal calculation result. The method has the advantages that the multiple calculation results are obtained by generating multiple optical path request service sequences, sorted differently, for the optical path service request set, so that the optimal calculation result can be selected from the multiple calculation results; in addition, the multiple processing terminals can be used to parallelly calculate to obtain the calculation results, so that high computing efficiency can be obtained.

Description

technical field [0001] The present invention relates to the communication field, and more specifically relates to an optical network optimization method. Background technique [0002] Among the problems solved by optical network optimization to improve the performance of optical networks, there are wavelength routing assignment problems and sub-carrier traffic grooming problems. The solutions to these two problems can be regarded as specific applications of the bin packing problem. The bin packing problem is a classic combinatorial optimization problem whose subject is to find a way to pack all items in the least number of boxes. Specifically, taking the wavelength routing assignment problem as an example, the optical path can be regarded as an item, the route length of the optical path service request can be regarded as the size of the item, and the copy wave plane of each topology can be regarded as a box. At this time, the optical network optimization needs What is done ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00H04L29/08
CPCH04J14/0257H04L45/62H04Q11/0062H04J14/0241H04Q2011/0086
Inventor 沈纲祥李泳成彭丽梅
Owner SUZHOU UNIV
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