CN111417037A - Management and control system of optical transport network - Google Patents
Management and control system of optical transport network Download PDFInfo
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- CN111417037A CN111417037A CN201910014474.4A CN201910014474A CN111417037A CN 111417037 A CN111417037 A CN 111417037A CN 201910014474 A CN201910014474 A CN 201910014474A CN 111417037 A CN111417037 A CN 111417037A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/04—Interdomain routing, e.g. hierarchical routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0073—Provisions for forwarding or routing, e.g. lookup tables
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
Abstract
The invention provides a management and control system of an optical transport network, and relates to the technical field of communication. The system comprises: the first equipment is used for carrying out inter-domain management and control on a plurality of domains divided according to the network scale; and a second device for performing intra-domain regulation on the plurality of domains; wherein the inter-domain management comprises: processing inter-domain cooperative control and inter-domain routing calculation; the intra-domain regulation includes: and at least one of resource management, alarm management, performance monitoring, topology abstraction, service opening, routing calculation and rerouting recovery in the domain. The scheme of the invention realizes the integration of the management function and the control function.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a management and control system for an optical transport network.
Background
The OTN of the current network is managed by using the network management system shown in fig. 1, and the functions of the network management system mainly include resource management, alarm management, performance statistics, and service provisioning. The network management system usually has low requirements for real-time response, and generally divides the domain of the managed network according to the difference of equipment manufacturers instead of the network scale.
In addition, a centralized control mechanism of a software defined network SDN provides centralized automatic control for the OTN, as shown in fig. 2, the added functions include topology multi-layer abstraction, fast service provisioning, and the like. In addition, in order to meet the requirement of quick response, the SDN controller divides a plurality of control domains according to the network scale, an intra-domain controller DC realizes an intra-domain control function, and an inter-domain controller SC realizes an inter-domain coordination control function.
In summary, the functions of the current network management system and the SDN system are emphasized, data and configuration conflict between the current network management system and the SDN system cannot be merged, and the requirement for network intelligent operation and maintenance cannot be met by singly deploying any system.
Disclosure of Invention
The invention aims to provide a management and control system of an optical transport network, so as to realize the integration of a management function and a control function.
To achieve the above object, an embodiment of the present invention provides a management and control system for an optical transport network, including:
the first equipment is used for carrying out inter-domain management and control on a plurality of domains divided according to the network scale; and
the second equipment is used for performing intra-domain management and control on the plurality of domains; wherein the content of the first and second substances,
the inter-domain management and control comprises: processing inter-domain cooperative control and inter-domain routing calculation;
the intra-domain regulation includes: and at least one of resource management, alarm management, performance monitoring, topology abstraction, service opening, routing calculation and rerouting recovery in the domain.
Wherein the first device comprises: the system comprises a first northbound interface protocol adaptation layer, an inter-domain management and control function module layer, a first southbound interface protocol adaptation layer and a first database;
the second device includes: the system comprises a second northbound interface protocol adaptation layer, an intra-domain management and control function module layer, a second southbound interface protocol adaptation layer and a second database.
The first device and the second device are further used for recording identity information of the management and control object in a database of the first device and the second device.
Wherein the management object comprises: at least one of a node, a link termination port, a link, an optical transport network device, a board, a physical port, and a physical link.
If the control object is a node, the identity information at least comprises a node identifier and an optical transport network equipment identifier corresponding to the node; alternatively, the first and second electrodes may be,
if the control object is a link terminal port, the identity information at least comprises a link terminal port identifier and a physical port identifier corresponding to the link terminal port; alternatively, the first and second electrodes may be,
if the control object is a link, the identity information at least comprises a link identifier and a physical link identifier corresponding to the link; alternatively, the first and second electrodes may be,
if the control object is an optical transport network device, the identity information at least comprises an optical transport network device identifier, a geographical position of the optical transport network device, a device provider, a device state and a node identifier corresponding to the optical transport network device; alternatively, the first and second electrodes may be,
if the control object is a board card, the identity information at least comprises a board card identification, an optical transmission network equipment identification corresponding to the board card, a board card model, a software version, a hardware version and a board state; alternatively, the first and second electrodes may be,
if the control object is a physical port, the identity information at least includes a physical port identifier, an optical transport network device identifier corresponding to the physical port, a board card identifier corresponding to the physical port, a port maximum rate, a port available resource total amount, and a port available time slot; alternatively, the first and second electrodes may be,
if the control object is a physical link, the identity information at least includes a physical link identifier, identifiers of optical transport network devices at two ends of the physical link, and identifiers of physical ports at two ends of the physical link.
The first device is further configured to send a control instruction to the second device, and receive feedback information sent by the second device according to the control instruction; wherein the content of the first and second substances,
the control instruction and/or the feedback information comprise identity information of a target control object.
Wherein, if the management and control instruction is a network physical topology discovery instruction, the feedback information includes: and the second equipment manages and controls the identity information of the object in the domain.
The first device is further configured to perform inter-domain routing calculation based on a target node identifier after finding the target node identifier of the target optical transport network device according to a service request of the target optical transport network device, generate an intra-domain service request of the target node identifier, and send the intra-domain service request as a control instruction to a corresponding second device;
and the second equipment is used for calculating the intra-domain route and the service opening after receiving the intra-domain service request, and sending the calculation result as feedback information to the first equipment.
The second device is further used for carrying out fault judgment according to the received alarm information, and if the judgment result indicates that the fault is in the domain, the intra-domain rerouting is calculated; if the judgment result indicates that the inter-domain fault exists, reporting the alarm information to corresponding first equipment;
the first equipment is used for calculating the inter-domain route after receiving the alarm information and feeding back an intra-domain rerouting request to the corresponding second equipment according to a calculation result;
and the second equipment is also used for calculating the intra-domain route or the intra-domain rerouting after receiving the intra-domain rerouting request.
To achieve the above object, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps in the management and control system of an optical transport network as described above.
The technical scheme of the invention has the following beneficial effects:
the management and control system of the optical transport network of the embodiment of the invention mainly comprises a first device and a second device. For the in-network devices of a plurality of domains divided according to the network planning, the second device performs in-domain management and control on the corresponding domain, wherein the in-domain management and control includes at least one of resource management, alarm management, performance monitoring, topology abstraction, service opening, routing calculation and rerouting recovery; and the first equipment is respectively connected with the second equipment to perform inter-domain management and control on the plurality of domains, including processing inter-domain cooperative control and inter-domain routing calculation. Therefore, the system realizes the integration of the management and control function and the control function, and can meet all the requirements of network intelligent operation and maintenance.
Drawings
Fig. 1 is a functional schematic diagram of a conventional network management system;
figure 2 is a functional diagram of a conventional SDN controller;
fig. 3 is a schematic diagram of a management and control system of an optical transport network according to an embodiment of the present invention;
FIG. 4 is an architecture of a second device in the system of an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating an interaction flow of devices in the system according to an embodiment of the present invention;
FIG. 6 is a second schematic view illustrating an interaction flow of devices in the system according to the embodiment of the present invention;
fig. 7 is a third schematic view illustrating an interaction flow of devices in the system according to the embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 3, a management and control system of an optical transport network according to an embodiment of the present invention includes:
the first equipment is used for carrying out inter-domain management and control on a plurality of domains divided according to the network scale; and
the second equipment is used for performing intra-domain management and control on the plurality of domains; wherein the content of the first and second substances,
the inter-domain management and control comprises: processing inter-domain cooperative control and inter-domain routing calculation;
the intra-domain regulation includes: and at least one of resource management, alarm management, performance monitoring, topology abstraction, service opening, routing calculation and rerouting recovery in the domain.
As can be seen from the above, the management and control system of an optical transport network according to the embodiment of the present invention mainly includes a first device and a second device. For the in-network devices of a plurality of domains divided according to the network planning, the second device performs in-domain management and control on the corresponding domain, wherein the in-domain management and control includes at least one of resource management, alarm management, performance monitoring, topology abstraction, service opening, routing calculation and rerouting recovery; and the first equipment is respectively connected with the second equipment to perform inter-domain management and control on the plurality of domains, including processing inter-domain cooperative control and inter-domain routing calculation. Therefore, the system realizes the integration of the management and control function and the control function, and can meet all the requirements of network intelligent operation and maintenance.
For example, the first device may perform inter-domain control on the first device, the second device and the third device, wherein the first device controls the domain 1, the second device 2 and the third device 3.
Wherein the first device comprises: the system comprises a first northbound interface protocol adaptation layer, an inter-domain management and control function module layer, a first southbound interface protocol adaptation layer and a first database;
the second device includes: the system comprises a second northbound interface protocol adaptation layer, an intra-domain management and control function module layer, a second southbound interface protocol adaptation layer and a second database.
Here, the first northbound interface protocol adaptation layer and the second northbound interface protocol adaptation layer are to be used for adapting a northbound protocol supporting network management and SDN technologies, such as the restconf protocol; the first southbound interface protocol adaptation layer and the second southbound interface protocol adaptation layer are used for southbound protocols supporting network management and SDN technologies, such as a restconf protocol, a snmp protocol and a netconf protocol. The inter-domain management and control function module layer mainly realizes inter-domain cooperative control and inter-domain routing calculation, and the intra-domain management and control function module layer mainly realizes at least one of resource management, alarm management, performance monitoring, topology abstraction, service opening, routing calculation and rerouting restoration in a corresponding domain. Besides data storage, the first database and the second database also have self maintenance, and the first database and the second database use a unified database, so that data fusion and intercommunication are realized. Specifically, fig. 4 shows a structure of the second device 401 in this embodiment, where a function module layer in the second device includes a management module and an abstract calculation module according to a specific function implementation, the management module implements resource management, alarm management and performance monitoring, and the abstract calculation module implements topology abstraction, service provisioning, route calculation and rerouting restoration.
Wherein, in order to facilitate more targeted processing, the first device and the second device are further used for recording the identity information of the management and control object in the database of the first device and the second device.
Optionally, the management object includes: at least one of a node, a link termination port, a link, an optical transport network device, a board, a physical port, and a physical link.
However, because of the abstraction property represented by the Node, in order to facilitate the management of the actual device, optionally, if the management and control object is a Node, the identity information at least includes a Node identifier and an optical transport network device identifier corresponding to the Node; alternatively, the first and second electrodes may be,
if the control object is a link terminal port, the identity information at least comprises a link terminal port identifier and a physical port identifier corresponding to the link terminal port; alternatively, the first and second electrodes may be,
if the control object is a link, the identity information at least comprises a link identifier and a physical link identifier corresponding to the link; alternatively, the first and second electrodes may be,
if the control object is an optical transport network device, the identity information at least comprises an optical transport network device identifier, a geographical position of the optical transport network device, a device provider, a device state and a node identifier corresponding to the optical transport network device; alternatively, the first and second electrodes may be,
if the control object is a board card, the identity information at least comprises a board card identification, an optical transmission network equipment identification corresponding to the board card, a board card model, a software version, a hardware version and a board state; alternatively, the first and second electrodes may be,
if the control object is a physical port, the identity information at least includes a physical port identifier, an optical transport network device identifier corresponding to the physical port, a board card identifier corresponding to the physical port, a port maximum rate, a port available resource total amount, and a port available time slot; alternatively, the first and second electrodes may be,
if the control object is a physical link, the identity information at least includes a physical link identifier, identifiers of optical transport network devices at two ends of the physical link, and identifiers of physical ports at two ends of the physical link.
The identity information of Node is shown in the following table 1:
TABLE 1
Here, at least the node id and the optical transport network device identifier neID L ist corresponding to the node are included, and neID L ist may indicate not only one optical transport network device corresponding to the node but also a group of optical transport network devices.
The identity information of link termination port L TP, as shown in table 2 below:
TABLE 2
Here, at least the link termination port identifier L TPID and the physical port identifier portId corresponding to the link termination port are included, and the portId indicates a physical port specifically corresponding to L TP.
The identity information of the link, as shown in table 3 below:
TABLE 3
Here, at least the link identification linkID and the physical link identification phy L inkId L ist corresponding to the link are included, phy L inkId L ist indicates the physical connection through which the link specifically passes.
Identity information of the optical transport network equipment NE is shown in table 4 below:
TABLE 4
Here, at least the optical transport network device identifier neID, the geographical location where the optical transport network device is located, the device vendor, the device state, and the node identifier node L ist corresponding to the optical transport network device are included, and node L ist represents an abstract node specifically corresponding to the device.
The identity information of the Card is shown in the following table 5:
TABLE 5
Here, at least the card identification cardID and the optical transport network device identification neId corresponding to the card, the card model cardType, the software version softwarewersion, the hardware version hardwarewersion, and the board status serviceState are included.
Identity information of the physical Port, as shown in table 6 below:
TABLE 6
Here, at least a physical port identification portID and an optical transport network device identification neId corresponding to the physical port, a board identification cardId corresponding to the physical port, a port maximum rate portRate, a port available resource total amount availBW, and a port available slot availSlot are included.
Identity information of the physical link phy L ink, as shown in table 7 below:
TABLE 7
Here, at least physical link identification phy L inkID and optical transport network device identifications at both ends of the physical link aNeID and zNeID, and physical port identifications at both ends of the physical link aPortID and zPortID are included.
In this embodiment, the physical device information is associated with the abstract information by managing and controlling the association relationship of the objects, which is helpful for realizing the integration of the management function and the control function.
It should also be appreciated that, in this embodiment, optionally, the first device is further configured to send a management and control instruction to the second device, and receive feedback information sent by the second device according to the management and control instruction; wherein the content of the first and second substances,
the control instruction and/or the feedback information comprise identity information of a target control object.
Therefore, the target control object processed by the opposite terminal is informed through the interaction between the first device and the second device, and the control of the specific target control object is realized.
Specifically, if the management and control instruction is a network physical topology discovery instruction, the feedback information includes: and the second equipment manages and controls the identity information of the object in the domain.
As shown in fig. 5, when a user or an upper system initiates an automatic resource discovery, in S501, the first device sends a network physical topology discovery command to the second device, and in S502, the second device returns feedback information including identity information of at least one of managed objects in its domain, such as Node, L ink, L TP, Ne, Card, Port, and Phy L ink.
In addition, under the condition that a network physical topology discovery instruction is not received by the second equipment, if new equipment is accessed in the domain, the second equipment can also actively report the related identity information of the new equipment.
Therefore, for a service provisioning process, optionally, the first device is further configured to perform inter-domain routing calculation based on a target Node identifier after finding the target Node identifier of the target optical transport network device according to the service request of the target optical transport network device, generate an intra-domain service request of the target Node identifier, and send the intra-domain service request as a control instruction to a corresponding second device;
and the second equipment is used for calculating the intra-domain route and the service opening after receiving the intra-domain service request, and sending the calculation result as feedback information to the first equipment.
Referring to fig. 6, after receiving the service request of the target otn device, the first device finds the target node identifier of the target otn device as in S601; then, as S602, inter-domain routing calculation is performed based on the target node identifier; then, as S603, an intra-domain service request based on the target node identifier is sent to the corresponding second device. After receiving the intra-domain service request, the second device calculates intra-domain routing and service provisioning as in S604; thereafter, the calculation result is transmitted as feedback information to the first device as S605.
It should be understood that, in this embodiment, specifically, the service request, such as a service provisioning request, is issued by the integrated resource management system to the first device through the restconf protocol interface, the first device calculates an inter-domain route and initiates an intra-domain service request, such as an intra-domain route calculation request, to the second device through the restconf protocol interface, the second device calculates an intra-domain route and issues configuration to the intra-domain device through the netconf protocol interface, and reserves resources, where the route calculation function preferably uses Node, L ink, L TP.
In addition, in order to timely process the fault in the system, optionally, the second device is further configured to perform fault judgment according to the received alarm information, and if the judgment result indicates that the fault is an intra-domain fault, calculate intra-domain rerouting; if the judgment result indicates that the inter-domain fault exists, reporting the alarm information to corresponding first equipment;
the first equipment is used for calculating the inter-domain route after receiving the alarm information and feeding back an intra-domain rerouting request to the corresponding second equipment according to a calculation result;
and the second equipment is also used for calculating the intra-domain route or the intra-domain rerouting after receiving the intra-domain rerouting request.
Referring to fig. 7, after receiving the warning message, the second device first performs fault determination as in S701; if the judgment result indicates that the failure occurs in the domain, in S702, the rerouting in the domain is calculated; if the judgment result indicates inter-domain fault, in step S703, the alarm information is reported to the corresponding first device. After receiving the alarm information, the first device calculates the inter-domain route as in S704, and sends the intra-domain rerouting request to the corresponding second device according to the calculation result. At this time, the second device that receives the intra-domain rerouting request may be the second device that receives the warning information, or may be the second device that does not receive the warning information, and therefore, the second device that receives the intra-domain rerouting request calculates the intra-domain route or the intra-domain rerouting.
In summary, the management and control system of the optical transport network according to the embodiment of the present invention mainly includes the first device and the second device. For the in-network devices of a plurality of domains divided according to the network planning, the second device performs in-domain management and control on the corresponding domain, wherein the in-domain management and control includes at least one of resource management, alarm management, performance monitoring, service opening, route calculation and rerouting recovery; and the first equipment is respectively connected with the second equipment to perform inter-domain management and control on the plurality of domains, including processing inter-domain cooperative control and inter-domain routing calculation. Therefore, the system realizes the integration of the management and control function and the control function, and can meet all the requirements of network intelligent operation and maintenance.
A computer-readable storage medium according to an embodiment of the present invention stores a computer program thereon, and the computer program, when executed by a processor, implements the steps in the management and control system of an optical transport network as described above, and can achieve the same technical effects, and is not described herein again to avoid repetition. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It is further noted that many of the functional units described in this specification have been labeled as modules, in order to more particularly emphasize their implementation independence.
In embodiments of the present invention, modules may be implemented in software for execution by various types of processors. An identified module of executable code may, for instance, comprise one or more physical or logical blocks of computer instructions which may, for instance, be constructed as an object, procedure, or function. Nevertheless, the executables of an identified module need not be physically located together, but may comprise disparate instructions stored in different bits which, when joined logically together, comprise the module and achieve the stated purpose for the module.
Indeed, a module of executable code may be a single instruction, or many instructions, and may even be distributed over several different code segments, among different programs, and across several memory devices. Likewise, operational data may be identified within the modules and may be embodied in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed over different locations including over different storage devices, and may exist, at least partially, merely as electronic signals on a system or network.
When a module can be implemented by software, considering the level of existing hardware technology, a module that can be implemented by software can build corresponding hardware circuits including conventional very large scale integration (V L SI) circuits or gate arrays and existing semiconductors such as logic chips, transistors, or other discrete components to implement corresponding functions, without considering the cost.
The exemplary embodiments described above are described with reference to the drawings, and many different forms and embodiments of the invention may be made without departing from the spirit and teaching of the invention, therefore, the invention is not to be construed as limited to the exemplary embodiments set forth herein. Rather, these exemplary 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. In the drawings, the size and relative sizes of elements may be exaggerated for clarity. The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Unless otherwise indicated, a range of values, when stated, includes the upper and lower limits of the range and any subranges therebetween.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A management and control system of an optical transport network, comprising:
the first equipment is used for carrying out inter-domain management and control on a plurality of domains divided according to the network scale; and
the second equipment is used for performing intra-domain management and control on the plurality of domains; wherein the content of the first and second substances,
the inter-domain management and control comprises: processing inter-domain cooperative control and inter-domain routing calculation;
the intra-domain regulation includes: and at least one of resource management, alarm management, performance monitoring, topology abstraction, service opening, routing calculation and rerouting recovery in the domain.
2. The system of claim 1, wherein the first device comprises: the system comprises a first northbound interface protocol adaptation layer, an inter-domain management and control function module layer, a first southbound interface protocol adaptation layer and a first database;
the second device includes: the system comprises a second northbound interface protocol adaptation layer, an intra-domain management and control function module layer, a second southbound interface protocol adaptation layer and a second database.
3. The system of claim 1, wherein the first device and the second device are further configured to record identity information of the managed object in their own database.
4. The system of claim 3, wherein the managed object comprises: at least one of a node, a link termination port, a link, an optical transport network device, a board, a physical port, and a physical link.
5. The system of claim 4,
if the control object is a node, the identity information at least comprises a node identifier and an optical transport network equipment identifier corresponding to the node; alternatively, the first and second electrodes may be,
if the control object is a link terminal port, the identity information at least comprises a link terminal port identifier and a physical port identifier corresponding to the link terminal port; alternatively, the first and second electrodes may be,
if the control object is a link, the identity information at least comprises a link identifier and a physical link identifier corresponding to the link; alternatively, the first and second electrodes may be,
if the control object is an optical transport network device, the identity information at least comprises an optical transport network device identifier, a geographical position of the optical transport network device, a device provider, a device state and a node identifier corresponding to the optical transport network device; alternatively, the first and second electrodes may be,
if the control object is a board card, the identity information at least comprises a board card identification, an optical transmission network equipment identification corresponding to the board card, a board card model, a software version, a hardware version and a board state; alternatively, the first and second electrodes may be,
if the control object is a physical port, the identity information at least includes a physical port identifier, an optical transport network device identifier corresponding to the physical port, a board card identifier corresponding to the physical port, a port maximum rate, a port available resource total amount, and a port available time slot; alternatively, the first and second electrodes may be,
if the control object is a physical link, the identity information at least includes a physical link identifier, identifiers of optical transport network devices at two ends of the physical link, and identifiers of physical ports at two ends of the physical link.
6. The system of claim 3, wherein the first device is further configured to send a management instruction to the second device, and receive feedback information sent by the second device according to the management instruction; wherein the content of the first and second substances,
the control instruction and/or the feedback information comprise identity information of a target control object.
7. The system of claim 6, wherein if the management command is a cyber-physical topology discovery command, the feedback information comprises: and the second equipment manages and controls the identity information of the object in the domain.
8. The system of claim 6, wherein the first device is further configured to, after finding a target node identifier of a target optical transport network device according to a service request of the target optical transport network device, perform inter-domain routing calculation based on the target node identifier, generate an intra-domain service request of the target node identifier, and send the intra-domain service request as a management and control instruction to a corresponding second device;
and the second equipment is used for calculating the intra-domain route and the service opening after receiving the intra-domain service request, and sending the calculation result as feedback information to the first equipment.
9. The system according to claim 1, wherein the second device is further configured to perform a failure judgment according to the received alarm information, and if the judgment result indicates an intra-domain failure, calculate intra-domain rerouting; if the judgment result indicates that the inter-domain fault exists, reporting the alarm information to corresponding first equipment;
the first equipment is used for calculating the inter-domain route after receiving the alarm information and feeding back an intra-domain rerouting request to the corresponding second equipment according to a calculation result;
and the second equipment is also used for calculating the intra-domain route or the intra-domain rerouting after receiving the intra-domain rerouting request.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps in a system for policing an optical transport network according to any one of claims 1 to 9.
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| CN111131028A (en) * | 2019-10-16 | 2020-05-08 | 河南工程学院 | Inter-domain route recovery method based on minimum spanning tree of degree constraint |
| CN114500299A (en) * | 2022-02-14 | 2022-05-13 | 北京华环电子股份有限公司 | Software defined network control method and system for optical transport network equipment |
| CN114844756A (en) * | 2022-05-09 | 2022-08-02 | 杭州云合智网技术有限公司 | Method for managing network equipment based on NETCONF proxy server |
| CN115276779A (en) * | 2022-06-23 | 2022-11-01 | 中国联合网络通信集团有限公司 | Method, device, system and storage medium for acquiring circuit information of optical transport network |
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