Optical path physical route restoration method, device and equipment based on dumb resources

Abstract

The invention relates to the technical field of optical fiber communication, and provides a dumb resource-based optical path physical route restoration method, device and equipment, and the method comprises the steps: obtaining road network data and dumb resource facility point data in an area where a to-be-restored optical path is located; the dumb resource facility point data comprises optical cross-connecting box position data and optical path supporting facility point position data; based on the optical cross-connecting box position data and the road network data, effective attenuation events of the to-be-restored optical path are analyzed, and a target optical cross-connecting box matched with each effective attenuation event is obtained; generating a plurality of candidate optical path physical routes based on the optical path starting end and the optical path tail end of the to-be-restored optical path and the target optical cross-connecting box matched with each effective attenuation event; and screening the plurality of candidate optical path physical routes based on the total physical path length of the to-be-restored optical path and the optical path supporting facility point position data to obtain the optical path physical route with the highest confidence coefficient. According to the invention, the optical path physical route can be accurately and automatically restored, and automatic management of the optical fiber network is realized.

Description

Technical Field

[0001] The present invention relates to the field of optical fiber communication technology, and in particular to a method, device and equipment for restoring the physical routing of an optical path based on dumb resources. Background Art

[0002] In communication networks, optical paths serve as the physical carriers of information transmission. Managing optical path physical routes has always been a key aspect of transmission network operations and maintenance. With the continuous expansion of optical cable networks, coupled with operations such as migration and splicing, optical path physical routes frequently change. The optical path physical routes stored in resource management systems often fail to reflect the actual situation on site, making it impossible to accurately locate faults when they occur.

[0003] Current methods for restoring optical path physical routing primarily include manual data entry and surveying and data entry using specialized instruments. Manual data entry involves dispatching work orders, requiring maintenance personnel to conduct on-site surveys and data entry of optical cable network resources. This relies entirely on manual effort, making data quality difficult to guarantee. Furthermore, with the constant evolution of the transmission optical cable network, inconsistencies between resource management system data and on-site data persist. While surveying and data entry using specialized instruments is currently a relatively effective method, their use requires a high level of expertise from on-site operators. Furthermore, with the constant evolution of the transmission optical cable network, a one-time survey and data entry cannot fundamentally address the issue of optical path physical routing accuracy. Summary of the Invention

[0004] The present invention provides a method, device and equipment for restoring the physical route of an optical path based on dumb resources, which is used to solve the technical problem that the physical route restoration method of an optical path in the prior art requires manual operation, and with the continuous changes in the transmission optical cable network, manual operation cannot fundamentally solve the technical problem of the accuracy of the physical route of the optical path.

[0005] The present invention provides a method for restoring the physical routing of an optical path based on dummy resources, comprising the following steps: Obtaining the road network data and dumb resource facility point data in the area where the optical path to be restored is located; the dumb resource facility point data includes the optical cross-connection box location data and the optical path support facility point location data; Based on the optical cross-connection box location data and the road network data, analyzing the effective attenuation events of the optical path to be restored, and obtaining a target optical cross-connection box that matches each effective attenuation event; Generate multiple candidate optical path physical routes based on the optical path start end, optical path end and target optical cross-connection box that matches each effective attenuation event of the optical path to be restored; Based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facility points, multiple candidate lightpath physical routes are screened to obtain the lightpath physical route with the highest confidence.

[0006] According to a method for restoring the physical route of an optical path based on dummy resources provided by the present invention, based on the optical cross-connection box location data and the road network data, effective attenuation events of the optical path to be restored are analyzed to obtain a target optical cross-connection box that matches each effective attenuation event, including: For each effective attenuation event of the optical path to be restored, determine the optical path analysis area of ​​the effective attenuation event with the position of the optical path measurement end of the optical path to be restored as the center of the circle and the first distance of the effective attenuation event as the radius; wherein the first distance is the measured distance between the effective attenuation event and the optical path measurement end; Determine a candidate optical cross-connection box in the optical path analysis area based on the road network data and the optical cross-connection box position data, and determine a second distance between the candidate optical cross-connection box and the center of the circle; At least one target optical cross-connection box is selected from the candidate optical cross-connection boxes based on the second distance of the candidate optical cross-connection boxes and the first distance of the effective attenuation event.

[0007] According to a dummy resource-based optical path physical route restoration method provided by the present invention, at least one target optical cross-connection box is selected from the candidate optical cross-connection boxes based on the second distance of the candidate optical cross-connection boxes and the first distance of the effective attenuation event, comprising: Determining a third distance of the candidate optical cross-connection box based on the second distance of the candidate optical cross-connection box and a preset installation coefficient; Determining a preset distance range based on the first distance of the effective attenuation event; If a first candidate optical cross-connection box exists, determining the first candidate optical cross-connection box as the target optical cross-connection box; wherein the third distance of the first candidate optical cross-connection box is within the preset distance range; If the first candidate optical cross-connection box does not exist, the second candidate optical cross-connection box is determined as the target optical cross-connection box; wherein the difference between the third distance and the first distance of the second candidate optical cross-connection box is the smallest.

[0008] According to the present invention, a method for restoring the physical routing of an optical path based on dummy resources further includes: Each effective loss event of the optical path to be restored is traversed one by one in ascending order of the first distance of the effective loss event; wherein the target optical cross-connect box matched by the previous effective loss event is excluded from the optical path analysis area matched by the current effective loss event.

[0009] According to the present invention, a method for restoring the physical routing of an optical path based on dummy resources further includes: Based on the optical time domain reflectometer measurement data of the optical path to be restored, the total physical path length and attenuation event data of the optical path to be restored are obtained; the attenuation event data includes the measured distance and optical power attenuation value between each attenuation event and the optical path measurement end; Filter out valid attenuation events whose optical power attenuation values ​​are within a preset attenuation value range from all attenuation events; and When the difference between the measured distances of two adjacent valid attenuation events is less than a preset difference, the two adjacent valid attenuation events are merged into one valid attenuation event.

[0010] According to a method for restoring a lightpath physical route based on dummy resources provided by the present invention, multiple candidate lightpath physical routes are generated based on the lightpath start end, the lightpath end end, and the target optical cross-connection box that matches each valid attenuation event of the lightpath to be restored, including: The starting end of the optical path to be restored is taken as the starting node, the end of the optical path to be restored is taken as the ending node, and the target optical cross-connection box matched by each effective attenuation event is taken as the intermediate node. Path planning is performed based on the global path planning algorithm to obtain multiple candidate optical path physical routes; wherein, each candidate optical path physical route passes through at least one target optical cross-connection box matched by each effective attenuation event.

[0011] According to a method for restoring a lightpath physical route based on dummy resources provided by the present invention, multiple candidate lightpath physical routes are screened based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facilities to obtain the lightpath physical route with the highest confidence, including: Deleting candidate lightpath physical routes whose path lengths are not within a preset path length range from the plurality of candidate lightpath physical routes; wherein the preset path length range is determined based on the total physical path length of the lightpath to be restored; Determining the number of lightpath support facility points that match each candidate lightpath physical route based on the lightpath support facility point location data; If a first candidate optical path physical route exists, determining the first candidate optical path physical route as the optical path physical route with the highest confidence; wherein the difference between the path length of the first candidate optical path physical route and the total physical path length of the optical path to be restored is the smallest, and the first candidate optical path physical route has the largest number of optical path support facility points; If the first candidate optical path physical route does not exist, the candidate optical path physical routes are sorted in ascending order according to the difference between the path length of the candidate optical path physical route and the total physical path length of the optical path to be restored, and a second candidate optical path physical route with a preset ranking is selected; The second candidate lightpath physical route with the largest number of lightpath supporting facility points is determined as the lightpath physical route with the highest confidence.

[0012] According to a dummy resource-based optical path physical route restoration method provided by the present invention, candidate optical path physical routes whose path lengths are not within a preset path length range are deleted from multiple candidate optical path physical routes, comprising: Determining a first path length threshold and a second path length threshold based on the total physical path length of the optical path to be restored; wherein the second path length threshold is greater than the first path length threshold; Determining a second physical path length of the candidate lightpath physical route based on the first physical path length of the candidate lightpath physical route and a preset laying coefficient; The candidate lightpath physical routes whose second physical path length is greater than the second path length threshold or whose second physical path length is less than the first path length threshold are deleted from the plurality of candidate lightpath physical routes.

[0013] The present invention also provides an optical path physical routing restoration device based on dumb resources, comprising: The first optical path physical route restoration module is used to obtain the road network data and dumb resource facility point data in the area where the optical path to be restored is located; the dumb resource facility point data includes the optical cross-connection box location data and the optical path support facility point location data; A second optical path physical route restoration module is configured to analyze effective attenuation events of the optical path to be restored based on the optical cross-connection box location data and the network data, and obtain a target optical cross-connection box that matches each effective attenuation event; The third optical path physical route restoration module is used to generate multiple candidate optical path physical routes based on the optical path starting end, the optical path ending end and the target optical cross-connection box matched with each effective attenuation event of the optical path to be restored; The fourth lightpath physical route restoration module is configured to screen multiple candidate lightpath physical routes based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facility points to obtain the lightpath physical route with the highest confidence.

[0014] The present invention also provides an electronic device comprising a memory, a processor and a computer program stored in the memory and running on the processor, wherein when the processor executes the program, the optical path physical routing restoration method based on dumb resources as described above is implemented.

[0015] The present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the method for restoring the optical path physical route based on dummy resources as described above is implemented.

[0016] The present invention also provides a computer program product, comprising a computer program, wherein when the computer program is executed by a processor, the computer program implements any of the above-mentioned methods for restoring the physical routing of an optical path based on dummy resources.

[0017] The present invention provides a method, device, and apparatus for restoring the physical route of an optical path based on dumb resources. The method, device, and apparatus first obtain road network data and dumb resource facility point data within the area where the optical path to be restored is located. The dumb resource facility point data includes optical cross-connection box location data and optical path support facility point location data. Then, based on the optical cross-connection box location data and road network data, the effective attenuation events of the optical path to be restored are analyzed to obtain a target optical cross-connection box that matches each effective attenuation event. Multiple candidate optical path physical routes are generated based on the optical path start end, optical path end end, and target optical cross-connection boxes that match each effective attenuation event of the optical path to be restored. Finally, based on the total physical path length of the optical path to be restored and the optical path support facility point location data, the multiple candidate optical path physical routes are screened to obtain the optical path physical route with the highest confidence. The present invention can reduce the number of on-site data checks by operation and maintenance personnel, accurately and automatically restore the optical path physical route, and achieve automated management of the optical fiber network. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a flow chart of the optical path physical routing restoration method based on dumb resources provided by the present invention.

[0020] Figure 2 This is a schematic diagram of the OTDR optical attenuation waveform provided by the present invention.

[0021] Figure 3 It is a structural diagram of the optical path physical routing restoration device based on dumb resources provided by the present invention.

[0022] Figure 4 It is a structural schematic diagram of the electronic device provided by the present invention. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0024] The optical path physical routing restoration method based on dumb resources in the embodiment of the present invention is as follows: Figure 1As shown, it includes step 110, step 120, step 120 and step 140.

[0025] Step 110: Acquire the road network data and dummy resource facility point data in the area where the optical path to be restored is located; the dummy resource facility point data includes the optical cross-connection box position data and the optical path support facility point position data.

[0026] It should be understood that road network data refers to the network layout information in the area through which the optical path passes, including the routing direction of the optical cable, the nodes passed through, the connection relationship, etc.

[0027] Dumb resource facilities refer to passive devices or facilities that cannot actively send signals or data in the network. In this embodiment, the dumb resource facility point data mainly includes optical cross-connect box location data and optical path support facility point location data.

[0028] It should be noted that the optical cross-connect box is an interface device used to connect trunk optical cables and distribution optical cables outdoors. The optical cross-connect box location data records the specific installation location of the optical cross-connect box. Optical path support facilities refer to the physical facilities used to support and protect optical cables, such as manholes, poles, and support points. The optical path support facility location data records the location information of the physical facilities that the optical cable relies on during transmission.

[0029] Step 120 : Analyze the effective loss events of the optical path to be restored based on the optical cross-connection box location data and the road network data, and obtain a target optical cross-connection box that matches each effective loss event.

[0030] The transmission optical cable network is mainly composed of optical cables and various dumb resource facilities that carry the optical cables. Among these dumb resource facilities, there are many optical node facilities (optical node facilities: optical fibers need to be fusion-spliced ​​or jumpered through optical node facilities). Common optical node facilities include optical junction boxes, optical terminal boxes, optical fiber splitter boxes, and optical cross-connection boxes.

[0031] During optical fiber propagation, optical signals in a transmission path experience attenuation, also known as loss. Fiber loss includes intrinsic and extrinsic fiber loss. Intrinsic fiber loss is primarily caused by light scattering and absorption during propagation, and increases with the distance the light travels along the fiber. Extrinsic fiber loss is caused by human manipulation of the fiber and primarily includes splicing loss and bending loss. Common splicing losses include FC (Ferrule Connector) loss, SC (Subscriber Connector) loss, and LC (Lucent Connector) loss.

[0032] In one example, FC connector loss can be used to perform optical path physical route restoration analysis. For example, FC connector loss events are first obtained from all loss events of the optical path to be restored, and then the effective loss events of the optical path to be restored are analyzed based on the optical cross-connect box location data and the road network data.

[0033] In another example, based on the optical time domain reflectometer measurement data of the optical path to be restored, the total physical path length and attenuation event data of the optical path to be restored are obtained; the attenuation event data includes the measured distance and optical power attenuation value between each attenuation event and the optical path measurement end; Filter out valid attenuation events whose optical power attenuation values ​​are within a preset attenuation value range from all attenuation events; and When the difference between the measured distances of two adjacent valid attenuation events is less than a preset difference, the two adjacent valid attenuation events are merged into one valid attenuation event.

[0034] Specifically, after determining the optical path to be restored, the starting and ending points of the path are identified, and the equipment room and device port information of the optical path measurement end (e.g., the starting or ending point) are recorded. Next, an instrument equipped with an optical time domain reflectometer (OTDR) is used to measure the optical path to be restored in the equipment room, obtaining OTDR measurement data for the path to be restored.

[0035] Here, the optical time domain reflectometer measurement data records the total physical path length of the optical path to be restored, the measured distance between each attenuation event and the optical path measurement end, and the optical power attenuation value.

[0036] For example, reference Figure 2 As shown in the schematic diagram of the OTDR optical attenuation waveform, these attenuation events will appear as obvious attenuation points on the OTDR measurement curve.

[0037] In this embodiment, the preset attenuation value range is set to 0.3dB~1dB. Based on this, effective attenuation events with optical power attenuation values ​​within the range of 0.3dB~1dB are screened out to filter out some minor attenuation events caused by direct melting of optical fibers, slight bending of optical fibers, or other external factors.

[0038] In addition, considering multiple fiber jumps in a machine room or optical cross-connect, if the difference between the measured distances of two adjacent valid attenuation events is less than a preset difference, such as 5 meters, the two adjacent valid attenuation events are merged into one valid attenuation event.

[0039] After selecting the effective attenuation events, the data analysis model of the current area is established by combining the optical cross-connection box location data and the road network data in the area. Then, based on the data analysis model, the target optical cross-connection boxes around each effective attenuation event are matched through the analysis algorithm.

[0040] Step 130 : generating a plurality of candidate optical path physical routes based on the optical path start end, the optical path end, and the target optical cross-connection box that matches each effective attenuation event of the optical path to be restored.

[0041] In this embodiment, multiple possible candidate optical path physical routes are derived by using the optical path start and end points of the lightpath to be restored, as well as the target optical cross-connect box that matches each valid attenuation event, combined with the actual layout of the lightpath and the network topology. These candidate optical path physical routes are selected from different paths from the start to the end point, each of which passes through a specific target optical cross-connect box.

[0042] In one example, the starting end of the optical path to be restored is used as the starting node, the end of the optical path to be restored is used as the ending node, and the target optical cross-connection box matched by each effective attenuation event is used as the intermediate node. Path planning is performed based on a global path planning algorithm to obtain multiple candidate optical path physical routes; wherein each candidate optical path physical route passes through at least one target optical cross-connection box matched by each effective attenuation event.

[0043] Specifically, a global path planning algorithm, such as the A* algorithm, is used to generate multiple candidate optical path physical routes based on the network topology and the connection relationship between nodes. Each candidate optical path physical route is a complete path from the starting end to the end end and contains all necessary intermediate nodes (at least one target optical cross-connect box matched by each valid attenuation event).

[0044] Step 140 : Based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facilities, multiple candidate lightpath physical routes are screened to obtain the lightpath physical route with the highest confidence.

[0045] Specifically, after obtaining multiple candidate optical path physical routes, combined with the total physical path length of the optical path to be restored and the location data of the optical path support facility points, the optical path physical route with the highest confidence is screened out from multiple candidate optical path physical routes based on the two dimensions of physical path length and the number of optical path support facility points.

[0046] The method for restoring the optical path physical route based on dumb resources of this embodiment first obtains the road network data and dumb resource facility point data within the area where the optical path to be restored is located; the dumb resource facility point data includes the optical cross-connection box location data and the optical path support facility point location data; then, based on the optical cross-connection box location data and the road network data, the effective attenuation events of the optical path to be restored are analyzed to obtain the target optical cross-connection box that matches each effective attenuation event; based on the optical path starting end, optical path end, and target optical cross-connection box that matches each effective attenuation event of the optical path to be restored, multiple candidate optical path physical routes are generated; finally, based on the total physical path length of the optical path to be restored and the optical path support facility point location data, the multiple candidate optical path physical routes are screened to obtain the optical path physical route with the highest confidence. The present invention can reduce the number of times that operation and maintenance personnel have to go to the site to check data, can accurately and automatically restore the optical path physical route, and realize the automated management of the optical fiber network.

[0047] It should be noted that each implementation method of the present application can be freely combined, the order can be changed, or it can be executed separately, and does not need to rely on or depend on a fixed execution order.

[0048] In some embodiments, based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facility points, multiple candidate lightpath physical routes are screened to obtain the lightpath physical route with the highest confidence, including: Deleting candidate lightpath physical routes whose path lengths do not conform to a preset path length range from the plurality of candidate lightpath physical routes; wherein the preset path length range is determined based on the total physical path length of the lightpath to be restored; Determining the number of lightpath support facility points that match each candidate lightpath physical route based on the lightpath support facility point location data; If a first candidate optical path physical route exists, determining the first candidate optical path physical route as the optical path physical route with the highest confidence; wherein the difference between the path length of the first candidate optical path physical route and the total physical path length of the optical path to be restored is the smallest, and the first candidate optical path physical route has the largest number of optical path support facility points; If the first candidate optical path physical route does not exist, the candidate optical path physical routes are sorted in ascending order according to the difference between the path length of the candidate optical path physical route and the total physical path length of the optical path to be restored, and a second candidate optical path physical route with a preset ranking is selected; The second candidate lightpath physical route with the largest number of lightpath supporting facility points is determined as the lightpath physical route with the highest confidence.

[0049] First, a preset path length range is set based on the total physical path length of the lightpath to be restored. Then, candidate lightpath physical routes whose path lengths do not fall within the preset path length range are removed from the multiple candidate lightpath physical routes. Finally, from the remaining candidate lightpath physical routes, the lightpath physical route with the highest confidence is selected based on the number of lightpath supporting facilities and path length.

[0050] Specifically, first determine whether there is a first candidate optical path physical route with the smallest difference between the path length and the total physical path length of the optical path to be restored and the largest number of optical path support facility points. If so, determine the first candidate optical path physical route as the optical path physical route with the highest confidence.

[0051] If none exists, the multiple candidate lightpath physical routes are further sorted in ascending order based on the difference between their path length and the total physical path length of the lightpath to be restored, and the second candidate lightpath physical routes ranked in the top preset positions are selected, for example, the second candidate lightpath physical routes ranked in the top 3 are selected. Finally, the second candidate lightpath physical route with the largest number of lightpath support facility points is selected as the lightpath physical route with the highest confidence.

[0052] In one example, based on the total physical path length of the optical path to be restored, a first path length threshold and a second path length threshold are determined; wherein, the second path length threshold is greater than the first path length threshold; based on the first physical path length of the candidate optical path physical route and a preset laying coefficient, the second physical path length of the candidate optical path physical route is determined; and the candidate optical path physical routes whose second physical path length is greater than the second path length threshold or whose second physical path length is less than the first path length threshold are deleted from multiple candidate optical path physical routes.

[0053] For example, if the total physical path length of the optical path to be restored is L, the first path length threshold may be 0.5L, and the second path length threshold may be 2L.

[0054] Furthermore, considering that the optical cable is coiled, pulled up, pulled down, and has a sag per kilometer during laying, in order to make the calculated distance of the optical cross-connection box closer to the length of the laid optical cable, a preset laying coefficient e is set, such as e=1.05. According to the first physical path length of the candidate optical path physical route and the preset laying coefficient, the second physical path length of the candidate optical cross-connection box is determined, such as , where LL is the first physical path length.

[0055] Based on this, if or , then directly delete this candidate optical path physical route.

[0056] The optical path physical route restoration method based on dumb resources in this embodiment screens multiple candidate optical path physical routes through the total physical path length of the optical path to be restored and the location data of the optical path support facilities. This can effectively screen out the optical path physical route with the highest confidence from multiple candidate optical paths, thereby improving the accuracy and reliability of automatically restoring the optical path physical route.

[0057] In some embodiments, based on the optical cross-connection box location data and the road network data, analyzing the effective attenuation events of the optical path to be restored to obtain a target optical cross-connection box that matches each effective attenuation event includes: For each effective attenuation event of the optical path to be restored, determine the optical path analysis area of ​​the effective attenuation event with the position of the optical path measurement end of the optical path to be restored as the center of the circle and the first distance of the effective attenuation event as the radius; wherein the first distance is the measured distance between the effective attenuation event and the optical path measurement end; Determine a candidate optical cross-connection box in the optical path analysis area based on the road network data and the optical cross-connection box position data, and determine a second distance between the candidate optical cross-connection box and the center of the circle; At least one target optical cross-connection box is selected from the candidate optical cross-connection boxes based on the second distance of the candidate optical cross-connection boxes and the first distance of the effective attenuation event.

[0058] Here, the effective attenuation event X1 is used as an example for explanation, wherein the first distance of the effective attenuation event X1 is L1.

[0059] Specifically, a circular optical path analysis area is formed with the optical path measurement end as the center and L1 as the radius. Combined with the road network data and the optical cross-connection box position data, the candidate optical cross-connection boxes in the optical path analysis area are determined, and the second distance between the center of the circle and each candidate optical cross-connection box is calculated.

[0060] Finally, based on the second distance of the candidate optical cross-connect boxes and the first distance of the effective attenuation event X1, at least one target optical cross-connect box is selected from the candidate optical cross-connect boxes.

[0061] In one example, based on the second distance of the candidate optical cross-connection box and a preset installation coefficient, a third distance of the candidate optical cross-connection box is determined; Determining a preset distance range based on the first distance of the effective attenuation event; If a first candidate optical cross-connection box exists, determining the first candidate optical cross-connection box as the target optical cross-connection box; wherein the third distance of the first candidate optical cross-connection box is within the preset distance range; If the first candidate optical cross-connection box does not exist, the second candidate optical cross-connection box is determined as the target optical cross-connection box; wherein the difference between the third distance and the first distance of the second candidate optical cross-connection box is the smallest.

[0062] In this embodiment, taking into account the existence of coiling, routing, and sag per kilometer of optical cables during laying, a preset laying coefficient e is set to make the calculated distance of the optical cross-connection box closer to the length of the laid optical cable, such as e=1.05. According to the second distance of the candidate optical cross-connection box and the preset laying coefficient, the third distance of the candidate optical cross-connection box is determined, such as , where Y is the second distance.

[0063] At the same time, the upper and lower floating ranges of the first distance of the effective attenuation event are taken into consideration, and therefore the preset distance range is also determined based on the first distance of the effective attenuation event, for example , where L1 is the first distance.

[0064] Finally, make sure you meet The first candidate optical cross-connect box is the target optical cross-connect box for the effective attenuation event X1.

[0065] Furthermore, if there is no satisfying The first candidate optical cross-connect box is selected The second candidate optical cross-connect box with the smallest difference from L1 is the target optical cross-connect box for the effective attenuation event X1.

[0066] In some embodiments, it further includes: Each effective loss event of the optical path to be restored is traversed one by one in ascending order of the first distance of the effective loss event; wherein the target optical cross-connect box matched by the previous effective loss event is excluded from the optical path analysis area matched by the current effective loss event.

[0067] In this embodiment, in order to improve the efficiency of effective attenuation event analysis, the effective attenuation events can be sorted in ascending order according to their first distances. For example, the effective attenuation events are represented as effective attenuation event X1, effective attenuation event X2, and effective attenuation event X3, and their first distances are recorded accordingly as L1, L2, and L3, where L1<L2<L3.

[0068] Then, each effective attenuation event is analyzed one by one in the above order. Here, effective attenuation event X1 and effective attenuation event X2 are used as representatives for explanation.

[0069] As mentioned above, after determining the target optical cross-connection box of the effective attenuation event X1, continue to analyze the effective attenuation event X2, that is, form a circular optical path analysis area with the optical path measurement end as the center and L2 as the radius. Combined with the road network data and the optical cross-connection box position data, determine the candidate optical cross-connection boxes in the optical path analysis area.

[0070] Here, when determining the candidate optical cross-connect boxes in the optical path analysis area of ​​the effective loss event X2, the target optical cross-connect box of the effective loss event X1 is excluded to avoid duplication among target optical cross-connect boxes of multiple effective loss events.

[0071] After determining the candidate optical cross-connection boxes in the optical path analysis area of ​​the effective attenuation event X2, continue with The candidate optical cross-connect boxes for the effective attenuation event X2 are screened and the ones that meet the requirements are obtained. The target optical cross-connect box, or, The target optical cross-connect box with the smallest difference from L1.

[0072] In this embodiment, the effective attenuation events of the optical path to be restored are analyzed through the optical cross-connection box location data and the road network data, and the target optical cross-connection box matching each effective attenuation event is obtained, which can realize fast, accurate and automatic restoration of the physical route of the optical path and realize automated management of the optical fiber network.

[0073] The optical path physical routing restoration device based on dummy resources provided by the present invention is described below. The optical path physical routing restoration device based on dummy resources described below and the optical path physical routing restoration method based on dummy resources described above can be referenced to each other.

[0074] The optical path physical routing restoration device based on dumb resources in the embodiment of the present invention is as follows: Figure 3 As shown, the following modules are included: a first optical path physical routing restoration module 310 , a second optical path physical routing restoration module 320 , a third optical path physical routing restoration module 330 , and a fourth optical path physical routing restoration module 340 .

[0075] The first optical path physical route restoration module 310 is used to obtain the road network data and dummy resource facility point data in the area where the optical path to be restored is located; the dummy resource facility point data includes the optical cross-connection box location data and the optical path support facility point location data; The second optical path physical route restoration module 320 is configured to analyze the effective attenuation events of the optical path to be restored based on the optical cross-connection box location data and the network data, and obtain a target optical cross-connection box that matches each effective attenuation event; The third optical path physical route restoration module 330 is configured to generate a plurality of candidate optical path physical routes based on the optical path start end, the optical path end, and the target optical cross-connection box that matches each valid attenuation event of the optical path to be restored; The fourth lightpath physical route restoration module 340 is configured to screen multiple candidate lightpath physical routes based on the total physical path length of the lightpath to be restored and the lightpath support facility point location data to obtain the lightpath physical route with the highest confidence.

[0076] The optical path physical route restoration device based on dumb resources in this embodiment first obtains the road network data and dumb resource facility point data within the area where the optical path to be restored is located; the dumb resource facility point data includes the optical cross-connection box location data and the optical path support facility point location data; then, based on the optical cross-connection box location data and the road network data, the effective attenuation events of the optical path to be restored are analyzed to obtain the target optical cross-connection box that matches each effective attenuation event; based on the optical path starting end, optical path end, and target optical cross-connection box that matches each effective attenuation event of the optical path to be restored, multiple candidate optical path physical routes are generated; finally, based on the total physical path length of the optical path to be restored and the optical path support facility point location data, the multiple candidate optical path physical routes are screened to obtain the optical path physical route with the highest confidence. The present invention can reduce the number of times that operation and maintenance personnel have to go to the site to check data, can accurately and automatically restore the optical path physical route, and realize the automated management of the optical fiber network.

[0077] Figure 4 An example of a physical structure diagram of an electronic device is shown below. Figure 4 As shown, the electronic device may include: a processor 410, a communications interface 420, a memory 530, and a communication bus 440, wherein the processor 410, the communications interface 420, and the memory 430 communicate with each other via the communication bus 440. The processor 410 may call the logic instructions in the memory 430 to execute the optical path physical routing restoration method based on dummy resources, which includes: Obtaining the road network data and dumb resource facility point data in the area where the optical path to be restored is located; the dumb resource facility point data includes the optical cross-connection box location data and the optical path support facility point location data; Based on the optical cross-connection box location data and the road network data, analyzing the effective attenuation events of the optical path to be restored, and obtaining a target optical cross-connection box that matches each effective attenuation event; Generate multiple candidate optical path physical routes based on the optical path start end, optical path end and target optical cross-connection box that matches each effective attenuation event of the optical path to be restored; Based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facility points, multiple candidate lightpath physical routes are screened to obtain the lightpath physical route with the highest confidence.

[0078] Furthermore, the logic instructions in the aforementioned memory 430 can be implemented as software functional units and, when sold or used as independent products, can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, or the portion that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product, stored in a storage medium, includes instructions for causing a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes any medium capable of storing program code, such as a USB flash drive, a mobile hard drive, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0079] On the other hand, the present invention further provides a computer program product, comprising a computer program, which may be stored on a non-transitory computer-readable storage medium. When the computer program is executed by a processor, the computer is capable of executing the optical path physical routing restoration method based on dummy resources provided by each of the above methods, the method comprising: Obtaining the road network data and dumb resource facility point data in the area where the optical path to be restored is located; the dumb resource facility point data includes the optical cross-connection box location data and the optical path support facility point location data; Based on the optical cross-connection box location data and the road network data, analyzing the effective attenuation events of the optical path to be restored, and obtaining a target optical cross-connection box that matches each effective attenuation event; Generate multiple candidate optical path physical routes based on the optical path start end, optical path end and target optical cross-connection box that matches each effective attenuation event of the optical path to be restored; Based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facility points, multiple candidate lightpath physical routes are screened to obtain the lightpath physical route with the highest confidence.

[0080] In another aspect, the present invention further provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, is implemented to perform the optical path physical routing restoration method based on dummy resources provided by each of the above methods, the method comprising: Obtaining the road network data and dumb resource facility point data in the area where the optical path to be restored is located; the dumb resource facility point data includes the optical cross-connection box location data and the optical path support facility point location data; Based on the optical cross-connection box location data and the road network data, analyzing the effective attenuation events of the optical path to be restored, and obtaining a target optical cross-connection box that matches each effective attenuation event; Generate multiple candidate optical path physical routes based on the optical path start end, optical path end and target optical cross-connection box that matches each effective attenuation event of the optical path to be restored; Based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facility points, multiple candidate lightpath physical routes are screened to obtain the lightpath physical route with the highest confidence.

[0081] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0082] Through the description of the above embodiments, those skilled in the art will clearly understand that each embodiment can be implemented using software plus a necessary general-purpose hardware platform, or of course, hardware. Based on this understanding, the essence of the above technical solution, or the portion that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a magnetic disk, or an optical disk, and includes a number of instructions for causing a computer device (such as a personal computer, server, or network device) to execute the methods described in each embodiment or certain portions of the embodiments.

[0083] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in each of the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of each embodiment of the present invention.

Claims

1. A method for restoring the physical routing of an optical path based on dumb resources, characterized in that: include: Obtain the road network data and dumb resource facility point data in the area where the optical path to be restored is located; The dumb resource facility point data includes optical cross-connection box location data and optical path support facility point location data; Based on the optical cross-connection box location data and the road network data, analyzing the effective attenuation events of the optical path to be restored, and obtaining a target optical cross-connection box that matches each effective attenuation event; Generate multiple candidate optical path physical routes based on the optical path start end, optical path end and target optical cross-connection box that matches each effective attenuation event of the optical path to be restored; Based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facility points, multiple candidate lightpath physical routes are screened to obtain the lightpath physical route with the highest confidence.

2. The optical path physical routing restoration method based on dumb resources according to claim 1, characterized in that: Based on the optical cross-connection box location data and the road network data, effective attenuation events of the optical path to be restored are analyzed to obtain a target optical cross-connection box that matches each effective attenuation event, including: For each effective attenuation event of the optical path to be restored, determine the optical path analysis area of ​​the effective attenuation event with the position of the optical path measurement end of the optical path to be restored as the center of the circle and the first distance of the effective attenuation event as the radius; wherein the first distance is the measured distance between the effective attenuation event and the optical path measurement end; Determine a candidate optical cross-connection box in the optical path analysis area based on the road network data and the optical cross-connection box position data, and determine a second distance between the candidate optical cross-connection box and the center of the circle; At least one target optical cross-connection box is selected from the candidate optical cross-connection boxes based on the second distance of the candidate optical cross-connection boxes and the first distance of the effective attenuation event.

3. The optical path physical routing restoration method based on dumb resources according to claim 2, characterized in that: The method of selecting at least one target optical cross-connection box from the candidate optical cross-connection boxes based on the second distance of the candidate optical cross-connection boxes and the first distance of the effective attenuation event comprises: Determining a third distance of the candidate optical cross-connection box based on the second distance of the candidate optical cross-connection box and a preset installation coefficient; Determining a preset distance range based on the first distance of the effective attenuation event; If a first candidate optical cross-connection box exists, determining the first candidate optical cross-connection box as the target optical cross-connection box; wherein the third distance of the first candidate optical cross-connection box is within the preset distance range; If the first candidate optical cross-connection box does not exist, the second candidate optical cross-connection box is determined as the target optical cross-connection box; wherein the difference between the third distance and the first distance of the second candidate optical cross-connection box is the smallest.

4. The optical path physical routing restoration method based on dumb resources according to claim 2, characterized in that: Also includes: Each effective loss event of the optical path to be restored is traversed one by one in ascending order of the first distance of the effective loss event; wherein the target optical cross-connect box matched by the previous effective loss event is excluded from the optical path analysis area matched by the current effective loss event.

5. The optical path physical routing restoration method based on dumb resources according to claim 1, characterized in that: Also includes: Based on the optical time domain reflectometer measurement data of the optical path to be restored, the total physical path length and attenuation event data of the optical path to be restored are obtained; The attenuation event data includes the measured distance between each attenuation event and the optical path measurement end and the optical power attenuation value; Filter out valid attenuation events whose optical power attenuation values ​​are within a preset attenuation value range from all attenuation events; as well as When the difference between the measured distances of two adjacent valid attenuation events is less than a preset difference, the two adjacent valid attenuation events are merged into one valid attenuation event.

6. The optical path physical routing restoration method based on dumb resources according to claim 1, characterized in that: Based on the optical path start and end points of the optical path to be restored and the target optical cross-connection box that matches each valid attenuation event, multiple candidate optical path physical routes are generated, including: The starting end of the optical path to be restored is taken as the starting node, the end of the optical path to be restored is taken as the ending node, and the target optical cross-connection box matched by each effective attenuation event is taken as the intermediate node. Path planning is performed based on the global path planning algorithm to obtain multiple candidate optical path physical routes; wherein, each candidate optical path physical route passes through at least one target optical cross-connection box matched by each effective attenuation event.

7. The optical path physical routing restoration method based on dumb resources according to claim 1, characterized in that: Based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facility points, multiple candidate lightpath physical routes are screened to obtain the lightpath physical route with the highest confidence, including: Deleting candidate lightpath physical routes whose path lengths are not within a preset path length range from the plurality of candidate lightpath physical routes; wherein the preset path length range is determined based on the total physical path length of the lightpath to be restored; Determining the number of lightpath support facility points that match each candidate lightpath physical route based on the lightpath support facility point location data; If a first candidate optical path physical route exists, determining the first candidate optical path physical route as the optical path physical route with the highest confidence; wherein the difference between the path length of the first candidate optical path physical route and the total physical path length of the optical path to be restored is the smallest, and the first candidate optical path physical route has the largest number of optical path support facility points; If the first candidate optical path physical route does not exist, the candidate optical path physical routes are sorted in ascending order according to the difference between the path length of the candidate optical path physical route and the total physical path length of the optical path to be restored, and a second candidate optical path physical route with a preset ranking is selected; The second candidate lightpath physical route with the largest number of lightpath supporting facility points is determined as the lightpath physical route with the highest confidence.

8. The optical path physical routing restoration method based on dumb resources according to claim 7, characterized in that: Deleting candidate optical path physical routes whose path lengths are not within a preset path length range from multiple candidate optical path physical routes, including: Determining a first path length threshold and a second path length threshold based on the total physical path length of the optical path to be restored; wherein the second path length threshold is greater than the first path length threshold; Determining a second physical path length of the candidate lightpath physical route based on the first physical path length of the candidate lightpath physical route and a preset laying coefficient; The candidate lightpath physical routes whose second physical path length is greater than the second path length threshold or whose second physical path length is less than the first path length threshold are deleted from the plurality of candidate lightpath physical routes.

9. An optical path physical routing restoration device based on dumb resources, characterized in that: include: The first optical path physical route restoration module is used to obtain the road network data and dumb resource facility point data in the area where the optical path to be restored is located; The dumb resource facility point data includes optical cross-connection box location data and optical path support facility point location data; A second optical path physical route restoration module is configured to analyze effective attenuation events of the optical path to be restored based on the optical cross-connection box location data and the network data, and obtain a target optical cross-connection box that matches each effective attenuation event; The third optical path physical route restoration module is used to generate multiple candidate optical path physical routes based on the optical path starting end, the optical path ending end and the target optical cross-connection box matched with each effective attenuation event of the optical path to be restored; The fourth lightpath physical route restoration module is configured to screen multiple candidate lightpath physical routes based on the total physical path length of the lightpath to be restored and the location data of the lightpath support facility points to obtain the lightpath physical route with the highest confidence.

10. An electronic device comprising a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that: When the processor executes the computer program, the optical path physical routing restoration method based on dummy resources is implemented according to any one of claims 1 to 8.

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