Automatically switched optical network (ASON) routing method for power control business

A power control and business technology, applied in electrical components, multiplexing system selection devices, digital transmission systems, etc., can solve the problems of not supporting automatic multi-routing protection, poor business scheduling capability, and poor network scalability, etc. Achieve the effect of meeting the requirements of network self-healing and improving work efficiency

Active Publication Date: 2016-05-25
XIANNING POWER SUPPLY COMPANY OF STATE GRID HUBEIELECTRIC POWER +3
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, for the power system, as the scale of the power grid increases, the development of power communication services will become more prominent, which will definitely affect the continued smooth development of the business and the stability and security of the power grid communication network
At present, the optical fiber transmission network of the power system mainly has the following problems: the network topology is single, the reliability is not high; the bandwidth utilization rate is low; the network scalability is poor; the business scheduling ability is poor; ; and the current power grid control business c

Method used

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  • Automatically switched optical network (ASON) routing method for power control business
  • Automatically switched optical network (ASON) routing method for power control business
  • Automatically switched optical network (ASON) routing method for power control business

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Embodiment Construction

[0030] This embodiment relates to an ASON routing method for power control services, which is used to solve the wavelength selection under the limitation of OTN wavelength continuity.

[0031] in, figure 1 Wavelength path calculation flow chart. The specific implementation steps are:

[0032] a. After the CSPF module receives the path calculation request, it searches for the uplink and downlink service tributary ports and the line disk interface associated with the local uplink and downlink ports;

[0033] b. Calculate the path according to the wavelength specified by the local up / down port. If the wavelength specified by the up / down port is consistent with the default wavelength of the line disk interface on the local up / down port, if the path calculation is successful, the path calculation ends, otherwise, proceed to c;

[0034] c. Take the intersection of the originally supported wavelength ranges to obtain the available wavelength range for this wavelength selection c

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Abstract

The invention relates to an automatically switched optical network (ASON) routing method for a power control business. Aiming at the delay constraint requirement of the power control business carried by the ASON, the invention provides a wavelength selection and routing computation strategy in the case that the ASON node does not have a wavelength conversion function, namely with wavelength continuity constraint. By using the method provided by the invention, the network self-healing requirement can be timely and effectively met with the wavelength continuity constraint, and the work efficiency is greatly improved.

Description

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Claims

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Application Information

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Owner XIANNING POWER SUPPLY COMPANY OF STATE GRID HUBEIELECTRIC POWER
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