WO2016206360A1

WO2016206360A1 - Method, system and device for managing optical layer in wavelength-division network

Info

Publication number: WO2016206360A1
Application number: PCT/CN2016/070438
Authority: WO
Inventors: 杜树奎
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-06-24
Filing date: 2016-01-07
Publication date: 2016-12-29
Also published as: CN106331905A

Abstract

Provided are a method, system and device for managing an optical layer in a wavelength-division network. The method comprises: determining, by a device in the wavelength-division network, whether a performance value in a subnet for indicating a service performance of a service exceeds a threshold corresponding to the service performance; and if so, adjusting, by the device, the performance value to be less than the threshold. The present invention addresses the problems of low management efficiency and poor reliability of an optical layer in a wavelength-division network, thus increasing operation and maintenance efficiency and reducing the cost.

Description

Wavelength division network optical layer management method, system and device

Technical field

The present invention relates to the field of communications, and in particular to a method, system and apparatus for managing a wavelength layer optical layer.

Background technique

As the WDM network moves toward the era of high-speed and Mesh, the reliability and maintainability of WDM networks become more and more complex. The maintenance methods in related technologies mainly use manual methods, when service performance deteriorates, such as fiber degradation. Loss, or channel optical power imbalance, causes some resources, such as optical power, to fall below the threshold or the signal-to-noise ratio of the receiver is low. According to the information, the corresponding service is found, and the corresponding service routing points are viewed one by one. Performance, find loss points or imbalance points, manually adjust, and then query the performance value of each point to determine whether it meets the standard. When the network size is small, the above method can also be used. However, when the network scale is large, according to the above operation, the labor is time-consuming, the efficiency is low, and the human adjustment is error-prone, resulting in high operation and maintenance cost and poor network reliability.

In view of the low efficiency and poor reliability of the optical layer management of the wavelength division network existing in the related art, an effective solution has not been proposed yet.

Summary of the invention

The invention provides a method, a system and a device for managing a wavelength division network optical layer, so as to at least solve the problem that the optical layer management of the wavelength division network is low in efficiency and poor in reliability.

According to an embodiment of the present invention, a method for managing an optical layer of a wavelength division network is provided, including: determining, by a device in a wavelength division network, whether a performance value of a service performance indicating a service in a subnet exceeds a threshold corresponding to service performance If the performance value exceeds the threshold, the device adjusts the performance value to less than the threshold.

In the embodiment of the present invention, before the device in the wavelength division network determines whether the performance value of the service performance in the subnet is greater than the threshold corresponding to the service performance, the method further includes: the device receiving the network management from the wavelength division network. Service performance parameters for the service, where the service performance parameters include: service performance and threshold.

In the embodiment of the present invention, when the service is a multiplex section service, the performance value is obtained by: the device calculates a sum of loss gain errors of each transport layer included in the multiplex section service, and obtains a multiplex section loss gain accumulation. Error, the multiplex section loss gain cumulative error is taken as the performance value, wherein the loss gain error of the transmission layer is the sum of the loss of the transmission layer and the gain of the amplification device that adjusts the main light; when the service is the optical channel layer service The performance value is obtained by the following method: the device calculates the deviation value of the optical power of the optical channel layer service, and uses the deviation value as the performance value.

In the embodiment of the present invention, the device adjusts the performance value to be less than the threshold, including one of the following: the gain or attenuation of the device adjustment actuator is such that the performance value is less than the threshold; wherein, in the case that the service is a multiplex section service, the executor is The amplifying device for adjusting the main light, in the case where the service is the optical channel layer service, the actuator is the attenuation for adjusting the optical power of the channel The device receives the optimization information, and adjusts the performance value to be less than the threshold according to the optimization information.

In the embodiment of the present invention, before the device adjusts the performance value to the threshold, the method further includes: reporting, on the device, the alarm information, where the alarm information is used to indicate that the performance value exceeds the threshold.

According to another embodiment of the present invention, a management system for a wavelength division network optical layer is provided, including: a network management system of a wavelength division network and a device in a wavelength division network, where the network management system is configured to configure a service in a subnet of a wavelength division network. The service performance parameter is sent to the device, and the service performance parameter includes: a service performance parameter corresponding to the service performance and service performance of the service; the device receives the service performance parameter delivered by the network management device, and the device receives the network management function. The service performance parameter determines whether the performance value of the service performance in the subnet exceeds a threshold; and if the performance value exceeds the threshold, the performance value is adjusted to be less than the threshold.

In the embodiment of the present invention, the device is further configured to generate the alarm information and report the alarm information to the network management system, where the alarm information is used to indicate that the performance value exceeds the threshold.

According to another embodiment of the present invention, there is provided a management device for a wavelength division network optical layer, comprising: a determining module, configured to determine whether a performance value of a service performance indicating a service in a subnet exceeds a threshold corresponding to service performance The adjustment module is set to adjust the performance value to less than the threshold if the performance value exceeds the threshold.

In the embodiment of the present invention, the device further includes: a receiving module, configured to: before determining whether the performance value of the service performance of the subnet in the subnet exceeds a threshold corresponding to the service performance, receiving the network management from the WDM network for the service The service performance parameter, where the service performance parameter includes: service performance, threshold.

In the embodiment of the present invention, the adjusting module includes one of the following: a first adjusting unit configured to adjust a gain or attenuation of the actuator to make the performance value smaller than a threshold; wherein, in a case where the service is a multiplex section service, the actuator In the case of the amplifying device for adjusting the main light, in the case where the service is the optical channel layer service, the actuator is an attenuating device for adjusting the optical power of the channel; and the second adjusting unit is configured to receive the optimization information and adjust the performance according to the optimization information. The value is less than the threshold.

According to the present invention, the device in the WDM network determines whether the performance value of the service performance indicating the service in the subnet exceeds the threshold corresponding to the service performance; if the performance value exceeds the threshold, the device adjusts the performance value to be smaller than The threshold, that is, the technical means for detecting the performance value of the service by using the device in the WDM network, and adjusting the performance value, overcomes the defects of manual detection, adjustment, long time, low efficiency, and poor reliability, thereby solving the wave The problem of low efficiency and poor reliability of network optical layer management improves the efficiency of operation and maintenance and reduces the cost.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a flow chart 1 of a method for managing a wavelength division optical layer according to an embodiment of the present invention;

2 is a second flowchart of a method for managing a wavelength division network optical layer according to an embodiment of the present invention;

3 is a schematic diagram of a management system of a wavelength division network optical layer according to an embodiment of the present invention;

4 is a structural block diagram of a device for managing a wavelength division network optical layer according to an embodiment of the present invention;

FIG. 5 is a flowchart of a method for managing a smart layer of a wavelength division network according to another preferred embodiment of the present invention; FIG.

6 is a flowchart of a priority processing scheme of a wavelength division network optical layer management method according to another preferred embodiment of the present invention;

7 is a structural block diagram of a device of a wavelength division network intelligent optical layer management system according to another preferred embodiment of the present invention.

detailed description

The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order.

In this embodiment, a method for managing an optical layer of a wavelength division network is provided. FIG. 1 is a flowchart 1 of a method for managing an optical layer of a wavelength division network according to an embodiment of the present invention. As shown in FIG. step:

In step S102, the device in the WDM network determines whether the performance value of the service performance indicating the service in the subnet exceeds the threshold corresponding to the service performance.

Step S104, if the performance value exceeds the threshold, the device adjusts the performance value to be less than the threshold;

Through the above steps, the device in the wavelength division network is used to detect the performance value of the service, and the technical means for adjusting the performance value overcomes the defects of manual detection, adjustment, long time, low efficiency, and poor reliability, thereby solving the problem. The problem of low efficiency and poor reliability of the optical layer management of the wavelength division network improves the efficiency of operation and maintenance and reduces the cost.

It should be noted that the foregoing threshold may be a value or a range of values. If the threshold is a value range, the performance value is adjusted to be less than the threshold, that is, the performance value is modulated at the value. Within the scope. Through the above adjustment, the performance value is adjusted back to the normal value.

2 is a second flowchart of a method for managing an optical layer of a wavelength division network according to an embodiment of the present invention. As shown in FIG. 2, before the step S102, the method further includes: in step S106, the device receives the information from the wavelength division network. The service performance parameters of the network management system for the service, where the service performance parameters include: service performance and threshold.

It should be noted that the service performance parameter of the service may be configured in advance in the network management system, but is not limited thereto. The device may continuously obtain the service performance parameter through the network management device by configuring the service performance parameter of the service service once. In turn, real-time monitoring of services in the subnet can be achieved.

In the embodiment of the present invention, in the case that the service is a multiplex section service, the foregoing performance value may be obtained by: calculating, by the device, a sum of loss gain errors of each transport layer included in the multiplex section service, and obtaining a multiplex section Loss gain cumulative error, the multiplex section loss gain cumulative error is taken as the performance value, wherein the loss gain error of the transmission layer is the sum of the loss of the transmission layer and the gain of the amplification device that adjusts the main light; in the above service, the optical channel In the case of the layer service, the performance value is obtained by the following method: the device calculates the deviation value of the optical power of the optical channel layer service, and uses the deviation value as the performance value.

In the embodiment of the present invention, the deviation value may be an absolute value of a difference between an optical power of the optical channel layer service and a standard value of the optical power of the optical channel layer service, or may be a square root of the difference, but is not limited thereto. Wherein, the standard value can be preset.

In the embodiment of the present invention, the device adjusts the performance value to be less than the threshold, including one of the following: (1) the device adjusts the gain or attenuation of the actuator to make the performance value smaller than the threshold; wherein, in the case that the service is a multiplex section service, The actuator is an amplifying device that adjusts the main light. When the service is the optical channel layer service, the actuator is an attenuation device that adjusts the channel optical power; (2) the device receives the optimization information, and adjusts the performance value according to the optimization information. Less than the threshold.

It should be noted that, for the (1) mode, the device optimizes the service performance through the automatic optimization mode, and for the (2) mode, the service performance can be optimized by the manual optimization mode. The two optimization methods can be pre-configured in the NMS, and different service modes are selected according to different service types to optimize the service performance of the service. Alternatively, an optimization method can be arbitrarily selected if the performance value exceeds the threshold. Optimize the business performance of the business, for example, in the case of unattended, automatic optimization, and in other cases, manual optimization. In this way, different optimization methods are selected according to different scenarios or different optimization modes are selected according to different service types, thereby increasing the flexibility of the optimization mode.

The alarm information is reported on the device to remind the user that the performance value exceeds the threshold. The performance value needs to be optimized, so that the performance value can be restored to the normal state in time, which greatly improves the maintainability and reliability of the network and reduces the operation and maintenance. cost.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

In this embodiment, a management system for a wavelength division network optical layer is also provided. FIG. 3 is a schematic diagram of a management system of a wavelength division network optical layer according to an embodiment of the present invention. As shown in FIG. 3, the system includes: The network management system 32 of the sub-network and the equipment 34 in the wavelength division network,

The network management system is configured to configure the service performance parameter of the service in the subnet of the wavelength division network, and send the service performance parameter to the device 34. The service performance parameter includes: a threshold value for indicating service performance and service performance corresponding to the service;

The device 34 receives the service performance parameter delivered by the network management system, determines whether the performance value of the service performance in the subnet exceeds a threshold, and if the performance value exceeds the threshold, adjusts the performance value to be less than the threshold.

Through the above system, the network management system is used to configure the service performance parameters of the service in the network, and the device in the wavelength division network detects the performance value of the service, and the technical means for adjusting the performance value overcomes the manual detection, the adjustment time, and the efficiency. Low and low reliability defects, which solves the problem of low efficiency and poor reliability of optical layer management in WDM networks, and improves the efficiency of operation and maintenance. Rate and reduce costs.

In the embodiment of the present invention, the device 34 is further configured to generate the alarm information and report the alarm information to the network management system, where the alarm information is used to indicate that the performance value exceeds the threshold. In the embodiment of the present invention, the device is further configured to generate the alarm information and report the alarm information to the network management system, where the alarm information is used to indicate that the performance value exceeds the threshold.

In this embodiment, a device for managing the optical layer of the wavelength division network is also provided. The device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

4 is a structural block diagram of a management apparatus of a wavelength division network optical layer according to an embodiment of the present invention. As shown in FIG. 4, the apparatus includes

The determining module 42 is configured to determine whether the performance value of the service performance indicating the service in the subnet exceeds a threshold corresponding to the service performance;

The adjustment module 44 is configured to adjust the performance value to be less than the threshold if the performance value exceeds the threshold.

Through the above device, the device in the wavelength division network is used to detect the performance value of the service, and the technical means for adjusting the performance value overcomes the defects of manual detection, adjustment, long time, low efficiency, and poor reliability, thereby solving the problem. The problem of low efficiency and poor reliability of the optical layer management of the wavelength division network improves the efficiency of operation and maintenance and reduces the cost.

It should be noted that the first adjustment unit optimizes service performance through automatic optimization, and the second adjustment unit optimizes service performance through manual optimization. The two optimization methods can be pre-configured in the NMS, and different service modes are selected according to different service types to optimize the service performance of the service, or directly in the performance value. If the threshold value is exceeded, an optimization method is selected to optimize the service performance of the service. For example, in the case of unattended operation, the automatic optimization mode is adopted, and in other cases, the manual optimization mode is adopted. In this way, different optimization methods are selected according to different scenarios or different optimization modes are selected according to different service types, thereby increasing the flexibility of the optimization mode.

The present invention also provides a wavelength division network intelligent optical layer management method and apparatus according to a preferred embodiment, so as to at least solve the problem of low efficiency and poor reliability of the WDM network management.

According to an aspect of the preferred embodiment of the present invention, a wavelength division network optical layer intelligent management method is provided, including: collecting, by a network management, a key service performance variable, a threshold, and an optimization manner, including: determining a wavelength division network concerned service type: multiplexing Segment and optical channel layer services, determining the service performance of the multiplex section is the sum of the line loss and the gain of the amplifier, and determining the service performance of the channel layer is the deviation of the channel optical power from the standard value; determining the optimization mode includes automatic optimization or manual optimization. The device receives configuration parameters and starts real-time monitoring of subnet service performance, including: traversing the multiplex section and channel layer services in the subnet, querying the optical power in real time and calculating the performance value. For the multiplex section, calculating the line loss and the amplifier gain. And, for the channel layer, calculate the optical power and standard deviation, and report the alarm when the threshold is exceeded. Optimize and adjust the service of the over-limit alarm subnet, including: adjusting the gain or attenuation of the executor to return the monitoring performance to the normal threshold for the service with the alarm, where the executor refers to the multiplex section The gain of the adjusted amplifier board, the optical channel layer refers to the attenuator that adjusts the channel optical power.

According to another aspect of the preferred embodiment of the present invention, a wavelength division network optical layer intelligent management apparatus is provided, including: a subnet monitoring parameter configuration module, including: performing monitoring parameter configuration on a monitored subnet, including network monitoring performance indicators. Selection, and the standard value setting of the indicator. The performance real-time monitoring module is responsible for real-time monitoring of the performance indicators in the subnet, and compares with the standard values to determine whether the standard value range is exceeded; the performance centralized display module is responsible for collecting the performance of the current monitoring, and is displayed in an interface for centralized management. The alarm reporting module, according to the judgment of the performance monitoring module, is responsible for reporting the alarm when the standard is exceeded; the alarm associated service module is responsible for correlating the reported alarm points and services, and is displayed in the interface for easy management; performance optimization module, when performance When the occurrence of degradation occurs, the optimization can be started manually or automatically, so that the indicator returns to the standard value range to achieve the purpose of optimization. When the optimization fails, the adjustment value is automatically rolled back; the logging module is responsible for reporting and optimizing the entire process according to the recording performance indicator. It is convenient to query the history of index optimization; the database module is responsible for recording the network management and device configuration parameters, including the network management database and the device database library, wherein the network management database storage configuration parameters are used for historical queries, and the device database storage configuration data is used for other modules ( True Time monitoring module) provides data query service.

Through the above-mentioned preferred embodiments, centralized configuration of subnets for key performance can be realized, centralized real-time monitoring, when an performance degradation occurs, an alarm is generated in time to remind the user to perform corresponding processing, and at the same time, automatic and manual optimization and adjustment performance indicators can be provided. The method enables the indicators to be optimal in the artificial participation or unattended scenarios, thereby implementing intelligent management of the optical layer of the wavelength division network, and greatly improving the reliability and maintainability of the network.

The present invention further provides a wavelength division network intelligent optical layer management method according to another preferred embodiment, and FIG. 5 is a flowchart of a wavelength division network intelligent optical layer management method according to another preferred embodiment of the present invention, as shown in FIG. The process includes the following steps:

Step S502, the network management configures a subnet parameter, including a performance variable, a performance value threshold, and an optimized performance mode.

Step S504, the device receives the configuration data, starts real-time monitoring of the performance, and reports the alarm when the performance value exceeds the threshold;

In step S506, automatic or manual optimization is started according to the alarm, so that the performance value returns to normal and the alarm is eliminated.

Details of each of the above processes will be described in detail below with reference to FIG. FIG. 6 is a flowchart of a priority processing scheme of a wavelength division network optical layer management method according to another preferred embodiment of the present invention. As shown in FIG. 6, the method includes:

Step S602, starting.

Step S604, the network management configures monitoring performance parameters and optimization parameters in a subnet unit, wherein the performance parameters include: monitoring variables and threshold values, wherein the monitoring variables include: multiplex section optical power accumulation error, channel optical power offset error, etc. ; Optimize parameters, including automatic optimization or manual optimization.

Step S606, the device receives the configuration parameters of the network management system, and stores the parameters in the database.

In step S608, it is determined whether the real-time monitoring switch in the parameter is activated. If yes, step S610 is performed, and if no, step S612 is ended.

In step S610, real-time monitoring is started and the monitoring performance is optimized.

Step S612, ending.

As shown in FIG. 6, the above step S610 further includes the following steps:

In step S6101, real-time monitoring is started, and the multiplex section service and the channel layer service under the current subnet are traversed.

In step S6102, it is determined whether the service type is a multiplex section service. If yes, step S6104 is performed, and if no, step S6103 is performed.

Step S6104, calculating a multiplex section monitoring performance value, specifically: calculating a multiplex section loss gain cumulative error, wherein the loss gain cumulative error is equal to a sum of loss gain errors of the respective transmission layers included in the multiplex section, wherein the transmission layer gain The loss error is the sum of the losses and the gain of the amplifier board.

In step S6106, it is determined whether the accumulated error exceeds the limit. If yes, the step S6108 is executed to report the alarm. If not, the process returns to step S6101 to continue the real-time monitoring.

Step S6108: Reporting the cumulative error of the multiplex section exceeds the limit alarm, and the network administrator associates the alarm with a specific service and displays it.

In step S6110, it is determined whether the optimization mode of the service performance is automatic. If yes, step S6113 is performed, and if no, step S6112 is performed.

In step S6113, the optimized multiplex section loss gain error performance is performed by increasing or decreasing the gain of the amplifier or the attenuation of the attenuator. After the execution is complete, the reported network management alarm disappears, and the process proceeds to step S6101 to continue the traversal.

In step S6103, it is determined whether the service is an optical channel layer. If yes, step S6105 is performed, and if no, step S6101 is returned.

In step S6105, the optical channel layer performance value, that is, the wavelength optical power and the standard value deviation are calculated.

Step S6107, determining whether the optical channel layer power deviation exceeds the limit, if yes, executing step S6109, and if not, returning Step S6101 is performed to continue the traversal.

In step S6109, the optical channel layer power deviation exceeds the alarm, and the network alarm is associated with the specific service and displayed on the network management system.

In step S6111, it is determined whether the optimization mode of the service performance is automatic. If yes, step S6114 is performed, and if no, step S6112 is performed.

Step S6114, performing optimization of the optical channel layer power deviation performance is implemented by increasing or decreasing the channel layer optical power. After the execution is complete, the alarm reported to the network management system disappears, and step S6101 is performed to continue the traversal.

Step S6112, when the optimization mode is manual optimization, wait for the user to initiate manual optimization.

Through the above steps, the NMS performs the configuration once, and the device can monitor the services in the subnet in real time, improving the operation and maintenance efficiency and reducing the cost.

In the present embodiment, a wavelength division network intelligent optical layer management system device of another preferred embodiment is further provided, which is used to implement the foregoing embodiments and preferred embodiments, and has not been described again. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

FIG. 7 is a structural block diagram of a device of a wavelength division network intelligent optical layer management system according to another preferred embodiment of the present invention. As shown in FIG. 7, the device includes: a network management unit 710, configured to deliver configuration parameters, and display alarm performance. And recording associated operational logs, etc.; device execution unit 720, configured to perform monitoring and performance optimization.

As shown in FIG. 7, the network management unit 710 includes: an alarm service association unit 711, configured to associate and display the reported alarm with the network management service; and the log recording unit 712 is configured to record the reported alarm and the optimized process and result for the user. Querying the history information; the parameter configuration unit 713 is configured to send the monitored performance variable, the threshold and the optimization mode, and the like; the network management database unit 714 is connected to the parameter configuration unit 713, and records the configuration parameters delivered by the network management; the service performance centralized display unit 715 , set to query business-related performance data, such as optical power, signal-to-noise ratio, etc., and display together for display, for users to compare and view.

As shown in FIG. 7, the device execution unit 720 includes: an alarm reporting unit 721, configured to generate an alarm and report it to the network management system, and is connected to the network management service association unit 711, and is connected to the network management log recording unit 710. The performance optimization unit 722 receives the network management parameter. The manual optimization command of the configuration unit 713 or the automatic optimization command of the determining unit 723 is used to optimize the performance of the multiplex section and the optical channel layer, and is connected to the network management log recording unit 710 to report the optimized execution result; the determining unit 723 receives the alarm. The alarm information of the reporting unit determines whether the optimization mode is automatic. If yes, the performance optimization unit 722 is started. The monitoring unit 724 obtains the configuration parameters from the device database unit 725, monitors the performance index of the subnet service in real time, and starts the alarm reporting when the limit is exceeded. The unit 721 is configured to receive the configuration information sent by the network management unit for querying by the monitoring unit 724.

The above method and device can be implemented by software programming, and the improvement is convenient and the operability is strong. Compared with the prior art, the real-time status of the subnet service performance can be monitored more effectively and accurately, and the performance is optimized, so that the subnet service is enabled. Performance Guaranteed optimal in real time.

According to the above technical solution of the present invention, the network management system can monitor the status of the multiplex section and the optical channel layer in the current subnet in real time, and when the performance degradation alarm occurs, the user is prompted to select manual processing, or automatically processed in an unattended situation, so that the service is performed. The performance can be restored to the normal state in time, which greatly improves the maintainability, reliability, and operation and maintenance cost of the network.

It should be noted that each of the above modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.

Embodiments of the present invention also provide a storage medium. Optionally, in the embodiment, the foregoing storage medium may be configured to store program code for performing the following steps:

S1, the device in the WDM network determines whether the performance value of the service performance indicating the service in the subnet exceeds a threshold corresponding to the service performance;

S2, if the performance value exceeds the threshold, the device adjusts the performance value to be less than the threshold;

Optionally, the storage medium is further arranged to store program code for performing the following steps:

S3. The device reports alarm information, where the alarm information is used to indicate that the performance value exceeds a threshold.

Optionally, in this embodiment, the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory. A variety of media that can store program code, such as a disc or a disc.

For example, the specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

Based on the foregoing technical solution provided by the embodiment of the present invention, the device in the WDM network determines whether the performance value of the service performance indicating the service in the subnet exceeds the threshold corresponding to the service performance; if the performance value exceeds the threshold, the device Sex The energy value is adjusted to be less than the threshold, that is, the technical means for detecting the performance value of the service in the WDM network and adjusting the performance value overcomes the defects of manual detection, adjustment, long time, low efficiency, and poor reliability. Furthermore, the problem of low efficiency and poor reliability of the optical layer management of the wavelength division network is solved, and the efficiency of operation and maintenance is improved and the cost is reduced.

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Claims

A method for managing a light layer of a wavelength division network, comprising:

The device in the wavelength division network determines whether the performance value of the service performance indicating the service in the subnet exceeds the threshold corresponding to the service performance;

If the performance value exceeds the threshold, the device adjusts the performance value to be less than the threshold.
The method of claim 1, wherein the method in the WDM network determines that the performance value of the service performance in the subnet is used to indicate that the service performance of the service exceeds the threshold corresponding to the service performance, the method further includes:

The device receives a service performance parameter from the network management in the wavelength division network for the service, where the service performance parameter includes: the service performance, the threshold.
The method of claim 1 wherein

In the case that the service is a multiplex section service, the performance value is obtained by: calculating, by the device, a sum of loss gain errors of each transport layer included in the multiplex section service, to obtain a multiplex section loss gain. a cumulative error, the multiplex section loss gain cumulative error is used as the performance value, wherein the loss gain error of the transmission layer is a sum of a loss of the transmission layer and a gain of an amplifying device that adjusts the main light;

In the case that the service is an optical channel layer service, the performance value is obtained by: the device calculating a deviation value of optical power of the optical channel layer service, and using the deviation value as the performance value.
The method of claim 1 wherein said adjusting said performance value to be less than said threshold comprises one of:

The device adjusts the gain or attenuation of the actuator such that the performance value is less than the threshold; wherein, in a case where the service is a multiplex section service, the actuator is an amplifying device that adjusts the main light, Where the service is an optical channel layer service, the actuator is an attenuation device that adjusts channel optical power;

The device receives optimization information, and adjusts the performance value to be smaller than the threshold according to the optimization information.
The method according to any one of claims 1 to 4, wherein before the device adjusts the performance value to the threshold, the method further comprises:

The device reports alarm information, where the alarm information is used to indicate that the performance value exceeds the threshold.
A management system for a wavelength division network optical layer, the system comprising: a network management system of a wavelength division network and a device in the wavelength division network,

The network management device is configured to configure a service performance parameter of the service in the subnet of the wavelength division network, and send the service performance parameter to the device, where the service performance parameter includes: Service performance, threshold corresponding to the service performance;

Receiving, by the device, the service performance parameter that is sent by the network management, determining whether the performance value of the service performance in the subnet exceeds the threshold; and if the performance value exceeds the threshold, The performance value is adjusted to Less than the threshold.
The system of claim 6, wherein the device is further configured to generate alarm information and report the alarm information to the network management system, wherein the performance value exceeds the threshold value, wherein the The alarm information is used to indicate that the performance value exceeds the threshold.
A management device for a wavelength division network optical layer, comprising:

The determining module is configured to determine whether the performance value of the service performance indicating the service in the subnet exceeds a threshold corresponding to the service performance;

The adjustment module is configured to adjust the performance value to be less than the threshold if the performance value exceeds the threshold.
The apparatus of claim 8 wherein said apparatus further comprises:

The receiving module, configured to determine, before the performance value of the service performance indicating the service of the subnet exceeds the threshold corresponding to the service performance, receive a service performance parameter from the network management in the WDM network for the service, where The service performance parameter includes: the service performance, the threshold.
The apparatus of claim 8 wherein said adjustment module comprises one of:

a first adjusting unit, configured to adjust a gain or attenuation of the actuator to make the performance value smaller than the threshold; wherein, in a case where the service is a multiplex section service, the actuator is configured to adjust the main light An amplifying device, where the service is an optical channel layer service, the actuator is an attenuating device that adjusts channel optical power;

The second adjusting unit is configured to receive the optimization information, and adjust the performance value to be smaller than the threshold according to the optimization information.