CN112019261B - Method and system for returning distributed control plane electrical layer 1+1 service - Google Patents
Method and system for returning distributed control plane electrical layer 1+1 service Download PDFInfo
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- 238000004590 computer program Methods 0.000 description 18
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/038—Arrangements for fault recovery using bypasses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
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- H04B10/032—Arrangements for fault recovery using working and protection systems
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Abstract
The invention discloses a method and a system for returning a distributed control plane electrical layer 1+1 service, which relate to the technical field of optical transmission equipment. Because the original main channel is in a normal state and the current service is on one of the working main channel and the working standby channel, the APS module switches the service from standby in the protection configuration to main according to the 2:1 protection configuration, and ensures that the service interruption time is less than 50 ms.
Description
Technical Field
The invention relates to the technical field of optical transmission equipment, in particular to a method and a system for returning services of a distributed control plane electrical layer 1+ 1.
Background
In the distributed ASON leveling process, the customer has an increasing demand for diamond level 1+1 electrical layer services because the service interruption time is less than 50 ms. In engineering, services are generally band-pass services, after a distributed control plane layer 1+1 service is switched, and after an original path is recovered, when the service returns to an original channel, a working main channel is issued to protect a channel 1:1 protection configuration. If the current service is in the working main channel, the APS module switches the service from the working main channel to the original channel according to the protection configuration, and the service interruption time is less than 50 ms; if the current service is in the working standby channel, the APS module receives 1:1 after protection configuration, because the current service is not on the primary channel and the standby channel in the protection configuration, the service on the original working standby channel without protection association is immediately interrupted, and because the configuration time and the configuration effective time received by each node are different in the distributed environment, the APS module needs to spend several seconds to check the state of the primary channel and the standby channel in the protection configuration and then perform service switching, and further, the service interruption time exceeds 50 ms.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method and a system for returning the 1+1 service of a distributed control plane electrical layer, which ensure that the interruption time of the 1+1 service switching service of the distributed control plane electrical layer is less than 50 ms.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a distributed control plane electrical layer 1+1 service returning method comprises the following steps:
the method comprises the steps of breaking fibers of an original main channel and an original standby channel to generate a working main channel and a working standby channel; the current working main channel is broken, and the current service is switched to the working standby channel or the working main channel in the new protection configuration;
after the original main channel fiber connection is recovered, issuing a 2:1 protection configuration of the current working main channel and the working standby channel for protecting the original main channel, and switching the current service from the working main channel or the working standby channel to the original main channel according to the protection configuration;
and after the current service is switched to the original main channel, issuing 1:1 protection configuration for protecting the original main channel by the working main channel, and releasing the working standby channel resource.
On the basis of the above scheme, the fiber breaking of the original main channel and the fiber breaking of the original standby channel to generate the working main channel and the working standby channel specifically includes the following steps:
the method comprises the steps that an original main channel is broken, current business is switched to an original standby channel, a working main channel is generated, protection configuration is updated, the working main channel is used for protecting the original standby channel, and the original standby channel is used for protecting the configuration;
and (3) breaking the fiber of the original standby channel, switching the current service to the working main channel, generating the working standby channel, updating the protection configuration, and taking the working standby channel as the protection of the working main channel, wherein the working main channel is the main channel of the protection configuration.
On the basis of the above scheme, the fiber breaking of the current working main channel and the switching of the current service to the working standby channel or the working standby channel in the new protection configuration specifically include the following steps:
the current working main channel is broken, the service is switched to the current working standby channel, if the resource is sufficient, a new working standby channel is generated, the new working standby channel is issued as the protection configuration of the protection of the original working standby channel, the original working standby channel is changed into the working main channel in the new protection configuration, and the original working main channel is deleted; if the resources are not sufficient, the service is switched to the working standby channel.
On the basis of the above scheme, after the original main channel is restored by connecting fibers, a 2:1 protection configuration for protecting the original main channel by the current working main channel and the working standby channel is issued, and the current service is switched from the working main channel or the working standby channel to the original main channel according to the protection configuration, which specifically comprises the following steps:
after the original main channel is connected with the optical fiber and recovered, 2:1 protection configuration of protecting the original main channel by an operating main channel and an operating standby channel is issued to an APS module, the operating main channel and the operating standby channel are standby channels in protection configuration, and the original main channel is set as the main channel in the protection configuration;
and when the APS module receives the 2:1 protection configuration, switching the current service from the working main channel or the working standby channel to the original main channel.
On the basis of the scheme, the method further comprises the following steps:
and switching the current service to the original main channel, issuing 1:1 protection configuration for protecting the original main channel by the working main channel, and releasing the working standby channel resource.
The invention also provides a distributed control plane electrical layer 1+1 service return system, which comprises a channel creating module, a configuration issuing module and a channel switching module:
a channel creation module to: the method comprises the steps of breaking fibers of an original main channel and an original standby channel to generate a working main channel and a working standby channel; breaking the working channel to generate a new standby channel;
a configuration issue module for: after the original main channel is recovered from fiber connection, 2:1 protection configuration of protecting the original main channel by the working main channel and the working standby channel is issued to a channel switching module; after the current service is switched to the original main channel, issuing 1:1 protection configuration for protecting the original main channel by the working main channel;
a channel switching module to: before the original main channel is connected with the fiber and recovered, the fiber of the current working main channel is broken, and the current service is switched to a working standby channel or the working main channel in the new protection configuration; after receiving the 2:1 protection configuration, switching the current service from the working main channel or the working standby channel to the original main channel.
On the basis of the above scheme, before the original main channel of the channel switching module is restored to the connected fiber, the current working main channel is broken, and the current service is switched to the working standby channel or the working main channel in the new protection configuration, which specifically includes the following steps:
the current working main channel is broken, the service is switched to the current working standby channel, if the resource is sufficient, a new working standby channel is generated, the new working standby channel is issued to be used as the protection configuration of the protection of the original working standby channel, the original working standby channel is changed into the working main channel in the current protection configuration, and the original working main channel is deleted; if the resources are not sufficient, the service is switched to the working standby channel.
On the basis of the above scheme, the channel creating module is specifically configured to:
the original main channel is broken, the current service is switched to the original standby channel, a working main channel is generated, the protection configuration is updated, the working main channel is used for protecting the original standby channel, and the original standby channel is used for protecting the configuration;
the original standby channel is broken, the current service is switched to the working main channel, the working standby channel is generated, the protection configuration is updated, the working standby channel is used for protecting the working main channel, and the working main channel is used for protecting the configuration;
and (3) breaking the fibers of the current working channel, if the resources are sufficient, generating a new standby channel, updating the protection configuration, and protecting the current working standby channel by the new standby channel.
On the basis of the above scheme, the channel switching module is specifically configured to: when receiving the 2:1 protection configuration, the APS module switches the current service from the working main channel or the working standby channel to the original main channel.
On the basis of the above scheme, the system further includes a resource releasing module, configured to:
according to the following 2: after the 1 protection configuration switches the current service to the original main channel, the 1:1 protection configuration of the working main channel for protecting the original main channel is issued, and the working standby channel resource is released; and (3) breaking the fiber of the current working main channel, if the resource is sufficient, generating a new standby channel, issuing new protection configuration, and releasing the resource of the current working main channel.
Compared with the prior art, the invention has the advantages that:
after the original main channel is recovered, the invention issues the 2:1 protection configuration of the working main channel and the working standby channel to protect the original main channel when issuing the protection configuration. The APS module switches the current service to the original main channel according to the 2:1 protection configuration, and because the state of the original main channel is normal and the current service is on one of the working main channel and the working standby channel, the service is not interrupted, and the service interruption time is ensured to be less than 50 ms.
In addition, after the current service returns to the original main channel, the 1:1 protection configuration that the working main channel protects the original main channel is issued, and the working standby channel resources in the original 2:1 protection configuration are released, so that additional electrical layer resources are not occupied.
Drawings
Fig. 1 is a schematic diagram of a principle of a distributed control plane electrical layer 1+1 service returning method according to an embodiment of the present invention.
Detailed Description
Description of terms:
an APS module (Automatic Protection Switching) for implementing Automatic Protection Switching.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The embodiment of the invention provides a method for returning a service of a distributed control plane electrical layer 1+1, which comprises the following steps:
referring to fig. 1, an original main channel and an original standby channel are broken to generate a working main channel and a working standby channel; the current working main channel is broken, and the current service is switched to the working standby channel or the working main channel in the new protection configuration;
after the original main channel fiber connection is recovered, a 2:1 protection configuration that the current working main channel and the working standby channel protect the original main channel is issued, and the current service is switched to the original main channel from the working main channel or the working standby channel;
and after the current service is switched to the original main channel, issuing 1:1 protection configuration for protecting the original main channel by the working main channel.
In the above process, the control plane is responsible for creating the channel and updating the protection configuration, and the APS module is responsible for switching the service between the main channel and the standby channel according to the protection configuration: if the main channel is broken, the service is switched to the standby channel of the protection configuration; and switching the service from the backup channel configured for protection to the main channel when the main channel is recovered.
After the original main channel is recovered, the embodiment of the invention sends the 2:1 protection configuration of the working main channel and the working standby channel to protect the original main channel when sending the protection configuration. The APS module switches the current service to the original main channel according to the 2:1 protection configuration, and because the state of the original main channel is normal and the current service is on one of the working main channel and the working standby channel, the service is not interrupted, and the service interruption time is ensured to be less than 50 ms.
Preferably, the step of generating the working primary channel and the working standby channel by breaking the fiber of the original primary channel and the fiber of the original standby channel specifically includes the following steps:
the original main channel is broken, a working main channel is generated, the protection configuration is updated, the working main channel is used as the protection of the original standby channel, the original standby channel is the main channel of the protection configuration, and the current service is switched to the original standby channel;
and (3) breaking the fiber of the original standby channel, generating a working standby channel, updating the protection configuration, taking the working standby channel as the protection of a working main channel, taking the working main channel as the main channel of the protection configuration, and switching the current service to the working main channel.
Preferably, the step of switching the current service to the working standby channel or the working active channel in the new protection configuration after the current working active channel is broken includes:
the current working main channel is broken, if the resource is sufficient, a new working standby channel is generated, the new working standby channel is issued to be used as the protection configuration of the protection of the original working standby channel, the original working standby channel is changed into the current working main channel, the service is switched to the current working main channel, and the original working main channel is deleted; if the resources are not sufficient, the service is switched to the working standby channel.
Preferably, after the original primary channel is restored, a 2:1 protection configuration is issued for protecting the original primary channel by the current working primary channel + working standby channel, and the current service is switched from the working primary channel or the working standby channel to the original primary channel, specifically including the following steps:
after the original main channel is connected with the fiber and recovered, 2:1 protection configuration of protecting the original main channel by an operating main channel and an operating standby channel is issued to an APS module, wherein the operating main channel and the operating standby channel are standby channels in protection configuration, and the original main channel is a main channel in protection configuration;
when receiving the 2:1 protection configuration, the APS module switches the current service from the working main channel or the working standby channel to the original main channel, that is, the standby channel in the 2:1 protection configuration is switched to the main channel; and if the main channel is broken again, switching the service from the main channel to the standby channel according to the protection configuration.
Preferably, the method further comprises the steps of:
and switching the current service to the original main channel, and releasing the resources of the working standby channel after issuing 1:1 protection configuration for protecting the original main channel by the working main channel.
After the service returns to the original main channel, the embodiment of the invention issues the 1:1 protection configuration of the working main channel for protecting the original main channel, and releases the working standby channel resource in the original 2:1 protection configuration without occupying extra electrical layer resources.
The embodiment of the invention also provides a distributed control plane electrical layer 1+1 service return system, which comprises a channel creation module, a configuration issuing module and a channel switching module:
a channel creation module to: the method comprises the steps of breaking fibers of an original main channel and an original standby channel to generate a working main channel and a working standby channel;
a configuration issue module for: after the original main channel is recovered from fiber connection, 2:1 protection configuration of protecting the original main channel by the working main channel and the working standby channel is issued to a channel switching module; after switching the current service to the original main channel, issuing 1:1 protection configuration for protecting the original main channel by the working main channel;
a channel switching module to: before the original main channel is connected with the fiber and recovered, the fiber of the current working main channel is broken, and the current service is switched to a working standby channel or the working main channel in the new protection configuration; when receiving 2:1 protection configuration, switching the current service from the working main channel or the working standby channel to the original main channel.
After the original main channel is recovered, the embodiment of the invention sends the 2:1 protection configuration of the working main channel and the working standby channel to protect the original main channel when sending the protection configuration. The APS module switches the current service to the original main channel according to the 2:1 protection configuration, and because the state of the original main channel is normal and the current service is on one of the working main channel and the working standby channel, the service is not interrupted, and the service interruption time is ensured to be less than 50 ms.
Preferably, before the original main channel of the channel switching module is restored, the current working main channel is broken, and the current service is switched to the working standby channel or the working main channel in the new protection configuration, specifically including the following steps:
the current working main channel is broken, the service is switched to the current working standby channel, if the resource is sufficient, a new working standby channel is generated, the new working standby channel is issued as the protection configuration of the protection of the original working standby channel, the original working standby channel is changed into the current working main channel, and the original working main channel is deleted; if the resources are not sufficient, the service is switched to the working standby channel.
Preferably, the channel creating module is specifically configured to:
the original main channel is broken, the current service is switched to the original standby channel, a working main channel is generated, the protection configuration is updated, the working main channel is used for protecting the original standby channel, and the original standby channel is used for protecting the configuration;
and (3) breaking the fiber of the original standby channel, switching the current service to the working main channel, generating the working standby channel, updating the protection configuration, and taking the working standby channel as the protection of the working main channel, wherein the working main channel is the main channel of the protection configuration.
Preferably, the channel switching module is specifically configured to: when the APS module receives the 2:1 protection configuration, the APS module switches the current service from the working main channel or the working standby channel to the original main channel, namely, the standby channel in the 2:1 protection configuration is switched to the main channel. If the main channel is broken again, the APS module switches the service from the main channel to the standby channel according to the protection configuration.
Preferably, the system further comprises a resource releasing module, configured to:
after the current service is switched to the original main channel, the working main channel is issued with 1:1 protection configuration for protecting the original main channel, and then the working standby channel resource is released.
After the service returns to the original main channel, the embodiment of the invention issues the 1:1 protection configuration of the working main channel for protecting the original main channel, and releases the working standby channel resource in the original 2:1 protection configuration without occupying extra electrical layer resources.
Based on the same inventive concept, embodiments of the present application provide a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements all or part of the method steps of the above-mentioned method.
The present invention can implement all or part of the processes of the above methods, and can also be implemented by using a computer program to instruct related hardware, where the computer program can be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the above method embodiments can be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, in accordance with legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunications signals.
Based on the same inventive concept, an embodiment of the present application further provides an electronic device, which includes a memory and a processor, where the memory stores a computer program running on the processor, and the processor executes the computer program to implement all or part of the method steps in the method.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the computer device and the various interfaces and lines connecting the various parts of the overall computer device.
The memory may be used to store computer programs and/or modules, and the processor may implement various functions of the computer device by executing or executing the computer programs and/or modules stored in the memory, as well as by invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, video data, etc.) created according to the use of the cellular phone, etc. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, server, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), servers and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A method for returning services of a distributed control plane electrical layer 1+1 is characterized by comprising the following steps:
the method comprises the steps of breaking fibers of an original main channel and an original standby channel to generate a working main channel and a working standby channel; the current working main channel is broken, and the current service is switched to the working standby channel or the working main channel in the new protection configuration;
after the original main channel is connected with the fiber and recovered, 2:1 protection configuration of the current working main channel and the working standby channel for protecting the original main channel is issued to an APS module, the working main channel and the working standby channel are standby channels in protection configuration, and the original main channel is set as a main channel in the protection configuration; when receiving 2:1 protection configuration, the APS module switches the current service from the working main channel or the working standby channel to the original main channel;
after switching the current service to the original main channel, issuing 1:1 protection configuration for protecting the original main channel by the working main channel, and releasing the working standby channel resource; and (3) breaking the fiber of the current working main channel, if the resource is sufficient, generating a new standby channel, issuing new protection configuration, and releasing the resource of the current working main channel.
2. The method of claim 1, wherein:
the method specifically comprises the following steps of:
the method comprises the steps that an original main channel is broken, current business is switched to an original standby channel, a working main channel is generated, protection configuration is updated, the working main channel is used for protecting the original standby channel, and the original standby channel is used for protecting the configuration;
and (3) breaking the fiber of the original standby channel, switching the current service to the working main channel, generating the working standby channel, updating the protection configuration, and taking the working standby channel as the protection of the working main channel, wherein the working main channel is the main channel of the protection configuration.
3. The method of claim 1, wherein: the method specifically includes the following steps that when the current working main channel is broken and the current service is switched to the working standby channel or the working standby channel in the new protection configuration:
the current working main channel is broken, the service is switched to the current working standby channel, if the resource is sufficient, a new working standby channel is generated, the new working standby channel is issued to be used as the protection configuration of the protection channel of the original working standby channel, the original working standby channel is changed into the working main channel in the new protection configuration, and the original working main channel is deleted; if the resources are not sufficient, the service is switched to the working standby channel.
4. A distributed control plane electrical layer 1+1 service return system is characterized by comprising a channel creating module, a configuration issuing module, a channel switching module and a resource releasing module:
a channel creation module to: the method comprises the steps of breaking fibers of an original main channel and an original standby channel to generate a working main channel and a working standby channel; the working main channel is broken to generate a new standby channel;
a configuration issue module for: after the original main channel is connected with the optical fiber and recovered, 2:1 protection configuration of protecting the original main channel by issuing a working main channel and a working standby channel is sent to an APS module of a channel switching module, wherein the working main channel and the working standby channel are standby channels in protection configuration, and the original main channel is set as a main channel in the protection configuration; after the current service is switched to the original main channel, issuing 1:1 protection configuration for protecting the original main channel by the working main channel;
a channel switching module to: before the original main channel is connected with the fiber and recovered, the fiber of the current working main channel is broken, and the current service is switched to a working standby channel or the working main channel in the new protection configuration; after receiving 2:1 protection configuration, switching the current service from the working main channel or the working standby channel to the original main channel through an APS module;
a resource release module to: according to the following 2: after the 1 protection configuration switches the current service to the original main channel, the 1:1 protection configuration of the working main channel for protecting the original main channel is issued, and the working standby channel resource is released; and (3) breaking the fiber of the current working main channel, if the resource is sufficient, generating a new standby channel, issuing new protection configuration, and releasing the resource of the current working main channel.
5. The system of claim 4, wherein: before the original main channel of the channel switching module is recovered from the connection of the optical fiber, the current working main channel is broken, and the current service is switched to a working standby channel or a working main channel in the new protection configuration, which specifically comprises the following steps:
the current working main channel is broken, the service is switched to the current working standby channel, if the resource is sufficient, a new working standby channel is generated, the new working standby channel is issued to be used as the protection configuration of the protection channel of the original working standby channel, the original working standby channel is changed into the working main channel in the current protection configuration, and the original working main channel is deleted; if the resources are not sufficient, the service is switched to the working standby channel.
6. The system of claim 5, wherein: the channel creation module is specifically configured to:
the original main channel is broken, the current service is switched to the original standby channel, a working main channel is generated, the protection configuration is updated, the working main channel is used for protecting the original standby channel, and the original standby channel is used for protecting the configuration;
the original standby channel is broken, the current service is switched to the working main channel, the working standby channel is generated, the protection configuration is updated, the working standby channel is used for protecting the working main channel, and the working main channel is used for protecting the configuration;
and (3) breaking the fibers of the current working channel, if the resources are sufficient, generating a new standby channel, updating the protection configuration, and protecting the current working standby channel by the new standby channel.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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