Method and device for configuring OTU (optical transform unit)

A configuration method and technology for configuring devices, which are applied in the directions of transmission monitoring/testing/fault measurement systems, etc., can solve the problems of unreasonable OTU configuration and high use cost, and achieve the effects of improving survivability, increasing multiplexing frequency and reducing use cost.

Inactive Publication Date: 2015-06-10
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the main purpose of the present invention is to provide an OTU configura

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  • Method and device for configuring OTU (optical transform unit)
  • Method and device for configuring OTU (optical transform unit)
  • Method and device for configuring OTU (optical transform unit)

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Embodiment Construction

[0038]The invention is mainly applicable to the static planning of the communication network. At the same time, the present invention does not consider the multi-fault situation, and is only applicable to the single-fault situation. The OTU in the present invention is not limited to a specific type of OTU, and generally the configuration of devices with limited wavelength conversion and 3R functions will be covered within the scope of the present invention. The basic idea of ​​the present invention is to propose an OTU configuration method and system, introduce a recovery route multiplexing strategy based on SRLG, and take physical damage factors into consideration when configuring the OTU.

[0039] Such as figure 1 As shown, the OTU configuration method of the present invention mainly may include the following steps:

[0040] Step 101: Detect whether the node that needs to configure the OTU on the current recovery route of the current service has been configured with the OT...

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Abstract

The invention discloses a method for configuring an OTU (optical transform unit). The method comprises the following steps of detecting whether a node on a current recovery route of a current service and needing to configure the OTU, is configured with the OTU marked to be of the recovery route or not; if the node is configured with the OTU marked to be of the recovery route, detecting whether a working route of a service to which all recovery routes loaded by the OTU belong, and a working route of a current service belong to a same SRLG (shared risk link group) or not; if so, configuring the OTU for bearing the current recovery route of the current service for the node needing of configuring the OUT; otherwise, multiplexing the OTU to bear the current recovery route of the current service; and if the node is not configured with the OTU marked to be of the recovery route, configuring the OTU for bearing the current recovery route of the current service for the node needing of configuring the OUT. Correspondingly, the invention further discloses a device for configuring the OTU, thereby reducing the use cost of the OTU and further improving the survivability of network.

Description

technical field [0001] The present invention relates to the field of optical transmission network planning, in particular to a method and device for configuring an Optical Transform Unit (OTU, Optical Transform Unit). Background technique [0002] The current optical fiber communication technology is relatively mature. In a large-scale communication network, for the attenuation of the energy of the optical signal in the optical fiber and the degradation of the signal quality, the optical signal needs to be amplified, regenerated and timed. At the same time, in the dense wavelength division multiplexing (Dense Wavelength Division Multiplexing) all-optical network, the data exchange in the optical domain is realized by establishing an optical channel between the source and sink nodes, and an optical channel can span multiple links and multiple nodes , if the node does not have the wavelength conversion capability, the optical channel must meet the wavelength continuity restric...

Claims

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Application Information

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IPC IPC(8): H04B10/07
Inventor 明正勤李非王大江向小山黄善国鞠卫国
Owner ZTE CORP
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