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A Method for On-Demand Bandwidth Allocation of Optical Channels for Power Service Types

A bandwidth allocation method and technology for power services, applied in the field of optical channel on-demand bandwidth allocation for power service type scheduling strategies, can solve the problems of complex ILP algorithms and inapplicability to large and medium-sized networks, and achieve the goal of improving network resource utilization efficiency Effect

Active Publication Date: 2022-01-25
GUANGDONG POWER GRID CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For small-scale networks, the RWA problem can be solved using the integer linear programming model ILP, but as the network structure increases, the ILP algorithm is too complex to be solved, so it is not suitable for large and medium-sized networks

Method used

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  • A Method for On-Demand Bandwidth Allocation of Optical Channels for Power Service Types
  • A Method for On-Demand Bandwidth Allocation of Optical Channels for Power Service Types

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Embodiment 1

[0035] A method for allocating optical channel on-demand bandwidth for power service type scheduling strategy, comprising the following steps:

[0036] Step S1: Build an SDN centralized control architecture;

[0037] Step S2: the SDN centralized control framework collects the status information of the power network;

[0038] Step S3: The SDN centralized control architecture adopts different bandwidth allocation schemes for power networks under different business types according to the status information to build an intelligent and flexible power network.

[0039] Preferably, the bandwidth allocation scheme described in step S3 includes a real-time bandwidth allocation scheme, a reserved bandwidth allocation scheme, and an adaptive bandwidth allocation scheme.

[0040] Preferably, the specific principles of the real-time bandwidth allocation scheme described in step S2 are as follows:

[0041] The user sets the corresponding bandwidth allocation parameters according to the ba...

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Abstract

The present invention relates to an optical channel on-demand bandwidth allocation method aimed at power service type scheduling strategies. The method is based on the centralized control architecture of SDN and designs an elastic optical network optical channel on-demand bandwidth allocation algorithm, which mainly includes real-time bandwidth allocation and reserved bandwidth. There are three types of bandwidth allocation and adaptive bandwidth allocation. The three bandwidth-on-demand allocation schemes are respectively applicable to different types of electric power services. Through the elastic optical network optical channel on-demand bandwidth allocation technology, intelligent resource scheduling of the electric power communication network is realized, and high network resource utilization efficiency.

Description

technical field [0001] The present invention relates to the field of electric power, and more specifically, relates to a method for allocating optical channel on-demand bandwidth for power service type scheduling strategies. Background technique [0002] The routing and wavelength allocation problem is an important resource allocation problem in WDM optical networks. It refers to establishing a transmission channel between the start and end node pairs and allocating wavelengths for signal transmission before data transmission. It is a complete problem, and a reasonable solution to this problem represents a reasonable allocation of resources, improving network service quality as much as possible, and reducing the possibility of business congestion. [0003] When establishing an optical path connection in a WDM network without a wavelength conversion function, it is necessary to uniformly allocate wavelengths on all optical fiber links that the optical path passes through, tha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q11/00H04L47/24H04L47/2425H04L43/0894H04L43/16H02J13/00
CPCH02J13/0013H04L43/0894H04L43/16H04L47/24H04L47/2425H04Q11/0062H04Q2011/0083H04Q2011/0084H04Q2011/0086Y04S20/20Y02B70/30
Inventor 罗铁
Owner GUANGDONG POWER GRID CO LTD