CN118199721A - Method, device and system for detecting optical wavelength connection performance - Google Patents
Method, device and system for detecting optical wavelength connection performance Download PDFInfo
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Abstract
The invention provides a method, a device and a system for detecting optical wavelength connection performance, wherein the method for a first node side on an optical wavelength connection path comprises the following steps: receiving a connection performance detection message sent by a management and control system; transmitting the connection performance detection message to at least one second node on the optical wavelength connection path through an optical wavelength operation maintenance (OAM) message; receiving a connection performance detection result of the second node fed back by the at least one second node according to the OAM message; and sending the connection performance detection result of at least one second node to the management and control system. The scheme of the invention can reduce the signaling interacted between the management and control system and the node equipment on the optical wavelength connection path, and avoid the signaling congestion.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a system for detecting optical wavelength connectivity.
Background
The performance parameters (such as optical attenuation, time delay, etc.) of the optical wavelength connection are closely related to the service quality of the service, and are important reference indexes for network operation and maintenance and tuning.
Current network performance parameters all need to be read at the node by the management and control system. For a wavelength connection, the middle typically passes through multiple nodes, if the connection is to be checked or detected in segments, the management and control system needs to query the wavelength connection route, confirm each node on the path, and need to interact signaling with each optical node on the path. If performance parameter detection is performed on multiple wavelength connections at the same time, the management and control system needs to send and receive a large amount of management and control signaling, which may cause signaling congestion.
Disclosure of Invention
The invention provides a method, a device and a system for detecting optical wavelength connection performance. The signaling interaction between the management and control system and the nodes on the optical wavelength connection path can be reduced, and signaling congestion is avoided.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a method for detecting optical wavelength connection performance, applied to a first node on an optical wavelength connection path, where the first node is communicatively connected with a management and control system, the method comprising:
receiving a connection performance detection message sent by a management and control system;
transmitting the connection performance detection message to at least one second node on the optical wavelength connection path through an optical wavelength operation maintenance (OAM) message;
Receiving a connection performance detection result of the second node fed back by the at least one second node according to the OAM message;
And sending the connection performance detection result of at least one second node to the management and control system.
Optionally, sending the connection performance detection message to at least one second node on the optical wavelength connection path through an optical wavelength operation maintenance OAM message includes:
writing the connection performance detection message into an optical wavelength OAM message body in a preset optical wavelength operation maintenance (OAM) frame format to obtain the OAM message;
Loading the OAM message on the optical wavelength connection path through an optical signal, so that at least one second node on the optical wavelength connection path obtains the OAM message through the optical signal.
Optionally, the OAM message carries: detecting a parameter type, an identification list of at least one second node on the optical wavelength connection path, which needs to perform connection performance detection, and an address of the first node.
Optionally, the connection performance detection result of the second node is a connection performance detection result of the second node obtained by detecting the wavelength connection performance according to the detection parameter type when the second node judges that the local second node is in the identification list according to the identification list of at least one second node in the OAM message.
Optionally, receiving a connection performance detection result of the second node fed back by the at least one second node according to the OAM message includes:
And receiving a detection result IP message fed back to the first node by the at least one second node according to the address of the first node in the OAM message, wherein the detection result IP message comprises a connection performance detection result of the second node.
Optionally, sending the connection performance detection result of at least one second node to the management and control system includes:
processing the connection performance detection result of at least one second node to obtain a processed connection performance detection result;
and reporting the processed connection performance detection result to a management and control system through an IP message.
The embodiment of the invention also provides a device for detecting the optical wavelength connection performance, which comprises:
the receiving module is used for receiving the connection performance detection message sent by the management and control system;
A sending module, configured to send the connection performance detection message to at least one second node on the optical wavelength connection path through an OAM message for optical wavelength operation and maintenance;
The receiving module is further configured to receive a connection performance detection result of the second node fed back by the at least one second node according to the OAM message;
the sending module is further configured to send a connection performance detection result of at least one second node to the management and control system.
The embodiment of the invention also provides a detection system for the optical wavelength connection performance, which comprises: the system comprises a management and control system and at least one optical wavelength connection path in communication connection with the management and control system, wherein the optical wavelength connection path is provided with a first node and at least one second node;
the control system transmits a connection performance detection message of the target optical wavelength connection path to a first node on the target optical wavelength connection path;
The first node sends the connection performance detection message to at least one second node on the optical wavelength connection path through an optical wavelength operation maintenance management (OAM) message;
The first node receives a connection performance detection result of the second node fed back by the at least one second node according to the OAM message;
And the first node sends the connection performance detection result of at least one second node to the management and control system.
The embodiment of the invention also provides a communication device, which comprises: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above.
Embodiments of the present invention also provide a computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform a method as described above.
The scheme of the invention at least comprises the following beneficial effects:
According to the scheme, the control system sends the connection performance detection message to the first node (namely the first node) on the optical wavelength connection path; reading wavelength OAM from each optical network node on an optical wavelength connection path by the first node through the optical wavelength OAM, and executing corresponding connection performance detection and reporting; and an OAM server is deployed on the first node main control board, and the OAM server calculates and connects each section of performance data according to the connection performance detection result reported by each node and uniformly reports the performance data to the management and control system. The signaling interaction between the management and control system and the nodes on the optical wavelength connection path is reduced, the signaling message processing pressure and the DCN forwarding pressure of the management and control system are reduced, and the overall performance of the system is improved.
Drawings
FIG. 1 is a flow chart of a method for detecting optical wavelength connection performance according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an architecture of a detection system for optical wavelength connectivity provided by an embodiment of the present invention;
fig. 3 is an interaction flow chart between a first node and a second node of a management and control system in a method for detecting optical wavelength connection performance according to an embodiment of the present invention;
Fig. 4 is a schematic flow chart of detecting connection performance of the second node according to the embodiment of the present invention;
Fig. 5 is a schematic block diagram of a device for detecting optical wavelength connection performance according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a method for detecting optical wavelength connection performance, which is applied to a first node on an optical wavelength connection path, where the first node is communicatively connected to a management and control system, and the method includes:
Step 11, receiving a connection performance detection message sent by a management and control system;
Step 12, sending the connection performance detection message to at least one second node on the optical wavelength connection path through an optical wavelength operation maintenance (OAM) message;
step 13, receiving a connection performance detection result of the second node fed back by the at least one second node according to the OAM message;
and step 14, transmitting the connection performance detection result of at least one second node to the management and control system.
In this embodiment, the management and control system interacts with the first node on the optical wavelength connection path through the southbound interface, and when the wavelength connection performance needs to be detected, the management and control system issues a connection performance detection command to the first node of the optical wavelength connection. The connection performance detection message at least comprises the following contents:
| Fields | Filling in content |
| Parameter type | Identifying which parameters need to be detected |
| Optical wavelength connection ID | Optical wavelength connection path requiring detection |
Here, it should be noted that the management and control system may be connected to a plurality of optical wavelength connection paths, where each optical wavelength path has an optical wavelength connection path identifier, i.e. an optical wavelength connection ID;
In the method described in this embodiment, a connection performance detection message is issued to a first node (i.e., a first node) on an optical wavelength connection path by a management and control system; reading wavelength OAM from each optical node on an optical wavelength connection path by the first node through the optical wavelength OAM, and executing corresponding connection performance detection and reporting; and an OAM server is deployed on the first node main control board, and the OAM server calculates and connects each section of performance data according to the connection performance detection result reported by each node and uniformly reports the performance data to the management and control system. The signaling interaction between the management and control system and the nodes on the optical wavelength connection path is reduced, the signaling message processing pressure and the DCN forwarding pressure of the management and control system are reduced, and the overall performance of the system is improved.
In an alternative embodiment of the present invention, step 12 includes:
Step 121, writing the connection performance detection message into an optical wavelength OAM message body of a preset optical wavelength operation maintenance management OAM frame format, to obtain the OAM message; here, the OAM message carries: detecting a parameter type, an identification list of at least one second node on the optical wavelength connection path, which needs to perform connection performance detection, and an address of the first node.
And 122, loading the OAM message on the optical wavelength connection path through an optical signal, so that at least one second node on the optical wavelength connection path obtains the OAM message through the optical signal.
In this embodiment, the wavelength connection head node writes the connection performance detection message into the optical wavelength OAM, and the OAM frame format is designed as follows:
The OAM message body includes at least the following information:
In an optional embodiment of the present invention, the connection performance detection result of the second node is a connection performance detection result of the second node obtained by detecting the wavelength connection performance according to the detection parameter type when the second node determines that the local second node is in the identifier list according to the identifier list of at least one second node in the OAM message.
In an alternative embodiment of the present invention, step 13 may include:
Step 131, receiving a detection result IP packet fed back to the first node by the at least one second node according to the address of the first node in the OAM message, where the detection result IP packet includes a connection performance detection result of the second node.
As shown in fig. 3, when the second node reads the "connection performance detection message" from the optical wavelength OAM message, the connection performance detection is performed according to the "detection parameter type" if the second node is included in the "identification list of the second node" and the detection result is reported to the OAM server through the IP message.
Because the OAM message can only be written at the originating end, the intermediate node cannot write OAM, and therefore the intermediate node sends a connection performance detection result to the OAM server (namely the head node) through the IP message.
The IP message at least comprises the following contents:
| Fields | Filling in content |
| Parameter type | The detected parameters are consistent with the OAM delivery |
| Node ID | Filling in the ID of the current node itself |
| Parameter measurement | On current devices, the connection performance measurement of this wavelength |
In an alternative embodiment of the present invention, step 14 may include:
step 141, processing the connection performance detection result of at least one second node to obtain a processed connection performance detection result;
and step 142, reporting the processed connection performance detection result to the management and control system through an IP message.
In this embodiment, the intermediate node reports a measurement result of a single node, and after the wavelength connection head node needs to process the result data detected by each intermediate node, the final result is reported to the management and control system through an IP packet.
The content at least comprises the following contents:
In an example, if the detected performance is wavelength attenuation, for example, each intermediate node on the optical wavelength connection path needs to detect and report the sending and receiving optical power, and after the head node collects the data of the connection performance detection result reported by each intermediate node, the segment attenuation between the end-to-end or intermediate nodes of the intermediate node is calculated according to the receiving optical power of each intermediate node, and the segment attenuation is reported to the management and control system through the IP message.
As shown in fig. 4, the specific implementation flow of the above embodiment of the present invention includes:
The control system only issues a connection performance detection command to a first node (namely a first node) on the optical wavelength connection path;
an OAM server module is deployed on the first node equipment, and the first node carries a connection performance detection command through optical wavelength OAM;
the intermediate node reads OAM to obtain a connection performance detection command;
the intermediate node reports the connection performance detection result to the first node through the IP message;
and after the first node processes, reporting the parameter detection result to a management and control system.
In this embodiment, the function of the IP packet is replaced by the optical wavelength path OAM, so that the number of IP packets in the network (packet interaction times=the number of optical wavelength connection paths to be detected) is greatly reduced, and compared with the sum of the packet interaction times=the number of nodes on all the optical wavelength connection paths to be detected in the prior art, the wavelength performance detection efficiency is greatly improved.
As shown in fig. 5, an embodiment of the present invention further provides a device 50 for detecting optical wavelength connection performance, where the device 50 includes:
a receiving module 51, configured to receive a connection performance detection message sent by the management and control system;
a transmitting module 52, configured to transmit the connection performance detection message to at least one second node on the optical wavelength connection path through an OAM message for optical wavelength operation and maintenance;
The receiving module 51 is further configured to receive a connection performance detection result of the second node fed back by the at least one second node according to the OAM message;
the sending module 52 is further configured to send a connection performance detection result of at least one second node to the management and control system.
Optionally, sending the connection performance detection message to at least one second node on the optical wavelength connection path through an optical wavelength operation maintenance OAM message includes:
writing the connection performance detection message into an optical wavelength OAM message body in a preset optical wavelength operation maintenance (OAM) frame format to obtain the OAM message;
loading the OAM message body on the optical wavelength connection path through an optical signal, so that at least one second node on the optical wavelength connection path obtains the OAM message through the optical signal.
Optionally, the OAM message carries: detecting a parameter type, an identification list of at least one second node on the optical wavelength connection path, which needs to perform connection performance detection, and an address of the first node.
Optionally, the connection performance detection result of the second node is a connection performance detection result of the second node obtained by detecting the wavelength connection performance according to the detection parameter type when the second node judges that the local second node is in the identification list according to the identification list of at least one second node in the OAM message.
Optionally, receiving a connection performance detection result of the second node fed back by the at least one second node according to the OAM message includes:
And receiving a detection result IP message fed back to the first node by the at least one second node according to the address of the first node in the OAM message, wherein the detection result IP message comprises a connection performance detection result of the second node.
Optionally, sending the connection performance detection result of at least one second node to the management and control system includes:
processing the connection performance detection result of at least one second node to obtain a processed connection performance detection result;
and reporting the processed connection performance detection result to a management and control system through an IP message.
It should be noted that all the implementation manners in the above method embodiments are applicable to the device embodiments, and the same technical effects can be achieved.
As shown in fig. 2, an embodiment of the present invention further provides a system for detecting optical wavelength connection performance, including: the system comprises a management and control system and at least one optical wavelength connection path in communication connection with the management and control system, wherein the optical wavelength connection path is provided with a first node and at least one second node;
the control system transmits a connection performance detection message of the target optical wavelength connection path to a first node on the target optical wavelength connection path;
The first node sends the connection performance detection message to at least one second node on the optical wavelength connection path through an optical wavelength operation maintenance management (OAM) message;
The first node receives a connection performance detection result of the second node fed back by the at least one second node according to the OAM message;
And the first node sends the connection performance detection result of at least one second node to the management and control system.
All the implementation manners in the method embodiment are applicable to the system embodiment, and the same technical effects can be achieved.
The embodiment of the invention also provides a communication device, which comprises: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above. All the implementation manners in the method embodiment are applicable to the embodiment, and the same technical effect can be achieved.
Embodiments of the present invention also provide a computer-readable storage medium comprising instructions which, when run on a computer, cause the computer to perform a method as described above. All the implementation manners in the method embodiment are applicable to the embodiment, and the same technical effect can be achieved.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk, etc.
Furthermore, it should be noted that in the apparatus and method of the present invention, it is apparent that the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present invention. Also, the steps of performing the series of processes described above may naturally be performed in chronological order in the order of description, but are not necessarily performed in chronological order, and some steps may be performed in parallel or independently of each other. It will be appreciated by those of ordinary skill in the art that all or any of the steps or components of the methods and apparatus of the present invention may be implemented in hardware, firmware, software, or a combination thereof in any computing device (including processors, storage media, etc.) or network of computing devices, as would be apparent to one of ordinary skill in the art after reading this description of the invention.
The object of the invention can thus also be achieved by running a program or a set of programs on any computing device. The computing device may be a well-known general purpose device. The object of the invention can thus also be achieved by merely providing a program product containing program code for implementing said method or apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is apparent that the storage medium may be any known storage medium or any storage medium developed in the future. It should also be noted that in the apparatus and method of the present invention, it is apparent that the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present invention. The steps of executing the series of processes may naturally be executed in chronological order in the order described, but are not necessarily executed in chronological order. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A method for detecting optical wavelength connection performance, which is applied to a first node on an optical wavelength connection path, wherein the first node is in communication connection with a management and control system, and the method comprises:
receiving a connection performance detection message sent by a management and control system;
transmitting the connection performance detection message to at least one second node on the optical wavelength connection path through an optical wavelength operation maintenance (OAM) message;
Receiving a connection performance detection result of the second node fed back by the at least one second node according to the OAM message;
And sending the connection performance detection result of at least one second node to the management and control system.
2. The method for detecting optical wavelength connection performance according to claim 1, wherein transmitting the connection performance detection message to at least one second node on the optical wavelength connection path by an optical wavelength operation maintenance management OAM message comprises:
writing the connection performance detection message into an optical wavelength OAM message body in a preset optical wavelength operation maintenance (OAM) frame format to obtain the OAM message;
Loading the OAM message on the optical wavelength connection path through an optical signal, so that at least one second node on the optical wavelength connection path obtains the OAM message through the optical signal.
3. The method for detecting optical wavelength connectivity according to claim 2, wherein the OAM message carries: detecting a parameter type, an identification list of at least one second node on the optical wavelength connection path, which needs to perform connection performance detection, and an address of the first node.
4. The method for detecting optical wavelength connection performance according to claim 2, wherein the connection performance detection result of the second node is a connection performance detection result of the second node obtained by detecting the optical wavelength connection performance according to the detection parameter type when the second node determines that the local second node is in the identification list according to the identification list of at least one second node in the OAM message.
5. The method for detecting optical wavelength connectivity according to claim 4, wherein receiving the connectivity detection result of the second node fed back by the at least one second node according to the OAM message includes:
And receiving a detection result IP message fed back to the first node by the at least one second node according to the address of the first node in the OAM message, wherein the detection result IP message comprises a connection performance detection result of the second node.
6. The method for detecting optical wavelength connectivity according to claim 1, wherein sending the connection performance detection result of at least one second node to the management and control system includes:
processing the connection performance detection result of at least one second node to obtain a processed connection performance detection result;
and reporting the processed connection performance detection result to a management and control system through an IP message.
7. A device for detecting optical wavelength connectivity, comprising:
the receiving module is used for receiving the connection performance detection message sent by the management and control system;
A sending module, configured to send the connection performance detection message to at least one second node on the optical wavelength connection path through an OAM message for optical wavelength operation and maintenance;
The receiving module is further configured to receive a connection performance detection result of the second node fed back by the at least one second node according to the OAM message;
the sending module is further configured to send a connection performance detection result of at least one second node to the management and control system.
8. A system for detecting optical wavelength connectivity, comprising: the system comprises a management and control system and at least one optical wavelength connection path in communication connection with the management and control system, wherein the optical wavelength connection path is provided with a first node and at least one second node;
the control system transmits a connection performance detection message of the target optical wavelength connection path to a first node on the target optical wavelength connection path;
The first node sends the connection performance detection message to at least one second node on the optical wavelength connection path through an optical wavelength operation maintenance management (OAM) message;
The first node receives a connection performance detection result of the second node fed back by the at least one second node according to the OAM message;
And the first node sends the connection performance detection result of at least one second node to the management and control system.
9. A communication device, comprising: a processor, a memory storing a computer program which, when executed by the processor, performs the method of any one of claims 1 to 6.
10. A computer readable storage medium storing instructions which, when run on a computer, cause the computer to perform the method of any one of claims 1 to 6.
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| CN202211602685.8A CN118199721A (en) | 2022-12-13 | 2022-12-13 | Method, device and system for detecting optical wavelength connection performance |
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