CN111787433B - Optical distribution network visual light path scheduling method and system - Google Patents
Optical distribution network visual light path scheduling method and system Download PDFInfo
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- CN111787433B CN111787433B CN202010524802.8A CN202010524802A CN111787433B CN 111787433 B CN111787433 B CN 111787433B CN 202010524802 A CN202010524802 A CN 202010524802A CN 111787433 B CN111787433 B CN 111787433B
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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
- H04Q11/0003—Details
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
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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
- H04Q11/0005—Switch and router aspects
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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
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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
- H04Q2011/0064—Arbitration, scheduling or medium access control aspects
Abstract
The invention discloses a visual light path scheduling method and a visual light path scheduling system for an optical distribution network, which relate to the field of the optical distribution network, and comprise the following steps: determining an equipment group included in a cable ring or a cable chain where an optical path to be scheduled is located, and acquiring equipment information and optical fiber connection information of each cable segment of connection equipment; converting an end forming port and a welding point of the optical fiber in the optical fiber connection information and a connection relation between the end forming port and the welding point into adjacency list data consisting of end points and connecting lines; generating an optical fiber vector diagram of the optical cable ring or the optical cable chain based on the equipment information and the adjacency list data; distinguishing and marking the line segments representing the optical fibers in the optical fiber vector diagram according to the occupation condition of the optical fibers; and sequentially selecting idle optical fibers in the optical fiber vector diagram according to the equipment at the starting position and the ending position of the optical path to be scheduled and based on the identification condition so as to obtain the optical fiber path of the optical path to be scheduled. The invention can integrally and visually reflect the connection and occupation conditions of the whole network optical fiber resources so as to carry out optical path scheduling.
Description
Technical Field
The invention relates to the field of optical distribution networks, in particular to a visual light path scheduling method and system for an optical distribution network.
Background
With the continuous development of the scale of the optical communication network, the data of the optical distribution network resources in the resource system of the telecom operator is also continuously expanded. With the continuous expansion of the user scale, the optical path scheduling has become a relatively frequent link in the daily activities of telecommunication operator enterprises. However, there are many enterprises at present, the optical path resource scheduling still depends on the experience of personnel, the familiarity of resources, and even the resource management is managed by using the traditional excel form, and the optical path resource scheduling can be completed by continuously searching a plurality of excel form files.
In order to improve the efficiency of optical path scheduling, various automatic optical fiber resource scheduling methods are designed in the industry, and the scheduling process is automatically scheduled and completed by a software system according to network resource data and some preset conditions. In addition, when the overall cable topology is complex, the automatic calculation process can also be time consuming. At this time, a user may need to manually select a proper optical path, and in the manual selection process, the user faces table resource data of various optical cables, optical fibers and ports, so that it is difficult to integrally and intuitively reflect the connection and occupation conditions of the optical fiber resources of the whole network.
Disclosure of Invention
In view of the defects in the prior art, a first aspect of the present invention is to provide a visual optical path scheduling method for an optical distribution network, which can integrally and intuitively reflect the connection and occupation conditions of the optical fiber resources of the entire network.
In order to achieve the purpose, the invention adopts the technical scheme that:
a visual light path scheduling method of an optical distribution network comprises the following steps:
determining an equipment group included in a cable ring or a cable chain where an optical path to be scheduled is located, and acquiring equipment information and optical fiber connection information of each cable segment of connection equipment;
converting an end forming port and a welding point of the optical fiber in the optical fiber connection information and a connection relation between the end forming port and the welding point into adjacency list data consisting of end points and connecting lines;
generating an optical fiber vector diagram of the optical cable ring or the optical cable chain based on the equipment information and the adjacency list data;
distinguishing and marking the line segments representing the optical fibers in the optical fiber vector diagram according to the occupation condition of the optical fibers;
and sequentially selecting idle optical fibers in the optical fiber vector diagram according to the equipment at the starting position and the ending position of the optical path to be scheduled and based on the identification condition so as to obtain the optical fiber path of the optical path to be scheduled.
In some embodiments, generating a fiber vector diagram of the fiber optic cable ring based on the device information and the adjacency list data specifically includes:
determining the arrangement sequence of the starting position and the ending position of the optical cable loop trunk line and the optical fiber fusion equipment;
determining the arrangement sequence of optical fiber terminating equipment on the optical cable loop branch line, wherein the optical fiber terminating equipment is connected with optical fiber fusion splicing equipment in a one-to-one correspondence manner;
arranging the equipment on the optical cable loop trunk line on 4 sides of the loop in the rectangular loop area, and arranging the equipment on the optical cable loop branch line on 4 sides of the outer loop in the rectangular loop area;
connecting by taking an end port and a fusion point of the optical fiber as end points to generate a connecting end point and a line segment in an optical fiber vector diagram, and adding a right-angle inflection point to a line segment of which the two connecting end points are not positioned on the same side of the rectangular ring area;
and determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in the optical fiber vector diagram.
In some embodiments, generating a fiber vector diagram of the optical cable chain based on the device information and the adjacency list data specifically includes:
determining a tree structure consisting of initial position equipment, optical fiber welding equipment, optical fiber terminating equipment and an optical cable section in an optical cable chain, wherein the optical fiber terminating equipment and the initial position equipment are respectively a leaf node and a root node of the tree structure;
setting grids by taking the number of the optical fiber terminating equipment as the column number and the maximum depth of the tree structure as the row number;
arranging optical fiber terminating equipment at the row-column intersection of the last row of the grid, and upwards and sequentially arranging optical fiber welding equipment and equipment at the initial position at the row-column intersection of the grid in a non-intersecting manner on the basis of a tree structure;
taking an end forming port and a fusion point of the optical fiber as end points, and determining the coordinate of a right-angle inflection point of a connecting line of the two end points of the optical fiber, which are not on the same line of the grid, so as to generate a connecting line end point and a line segment in the optical fiber vector diagram;
and determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in the optical fiber vector diagram.
In some embodiments, determining a bounding rectangle that bounds all the connection endpoints according to the distribution range of the connection endpoint coordinates of the optical fibers in the same device includes:
determining the maximum value and the minimum value of coordinates in the horizontal direction and the vertical direction in the connection end points of optical fibers in the same equipment;
and determining an enclosing region according to the maximum value and the minimum value of the coordinates in the horizontal direction and the vertical direction, and stretching the enclosing region according to a preset proportion to obtain an enclosing rectangle enclosing the end points of all the connecting lines.
In some embodiments, the method further comprises:
and respectively generating optical fiber number text information and coordinates and equipment text information and coordinates on the optical fiber vector diagram according to the optical fiber number information recorded in each optical fiber and the name information of each equipment.
In some embodiments, the method further comprises the step of merging identically routed optical fibers.
In some embodiments, merging optical fibers of the same route includes:
classifying the optical fibers with the same optical fiber number in each optical cable section into an optical fiber group;
traversing each optical fiber in each optical fiber group, recording whether the object type connected with the two ends of each optical fiber is an end port or other optical fibers, adopting characters to distinguish and identify different object types, combining the equipment node object number of each end of the optical fiber, and constructing a characteristic character string according to the optical fiber route of the optical fiber group;
and merging the optical fiber groups with the same characteristic character strings.
The second aspect of the present invention is to provide a visual optical path scheduling system for an optical distribution network, which can integrally and intuitively reflect the connection and occupation of the optical fiber resources of the whole network.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
an optical distribution network visualization optical path scheduling system, comprising:
the resource synchronization interface module is used for acquiring equipment information of an equipment group included in a cable ring or a cable chain where an optical path to be scheduled is located and optical fiber connection information of each optical cable section of the connection equipment;
a resource data conversion module, configured to convert an end-forming port and a fusion point of an optical fiber in the optical fiber connection information, and a connection relationship between the end-forming port and the fusion point into adjacency list data formed by an end point and a connection line;
the optical fiber vector diagram generating module is used for generating an optical fiber vector diagram of the optical cable ring or the optical cable chain based on the equipment information and the adjacency list data;
the optical path dispatching visual interaction module is used for distinguishing and identifying the line segments representing the optical fibers in the optical fiber vector diagram according to the occupation condition of the optical fibers;
and the optical path visual scheduling module is used for sequentially selecting idle optical fibers in the optical fiber vector diagram according to the equipment at the starting position and the ending position of the optical path to be scheduled and based on the identification condition of the optical path scheduling visual interaction module so as to obtain the optical fiber path of the optical path to be scheduled.
In some embodiments, the optical fiber vector diagram generating module generates an optical fiber vector diagram of the optical cable ring based on the device information and adjacency list data, and specifically includes:
determining the arrangement sequence of the starting position and the ending position of the optical cable loop trunk line and the optical fiber fusion equipment;
determining the arrangement sequence of optical fiber terminating equipment on the optical cable loop branch line, wherein the optical fiber terminating equipment is connected with optical fiber fusion splicing equipment in a one-to-one correspondence manner;
arranging the equipment on the optical cable loop trunk line on 4 sides of the loop in the rectangular loop area, and arranging the equipment on the optical cable loop branch line on 4 sides of the outer loop in the rectangular loop area;
connecting by taking an end port and a fusion point of the optical fiber as end points to generate a connecting end point and a line segment in an optical fiber vector diagram, and adding a right-angle inflection point to a line segment of which the two connecting end points are not positioned on the same side of the rectangular ring area;
and determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in the optical fiber vector diagram.
In some embodiments, the optical fiber vector diagram generating module generates an optical fiber vector diagram of the optical cable chain based on the device information and the adjacency list data, and specifically includes:
determining a tree structure consisting of initial position equipment, optical fiber welding equipment, optical fiber terminating equipment and an optical cable section in an optical cable chain, wherein the optical fiber terminating equipment and the initial position equipment are respectively a leaf node and a root node of the tree structure;
setting grids by taking the number of the optical fiber terminating equipment as the column number and the maximum depth of the tree structure as the row number;
arranging optical fiber terminating equipment at the row-column intersection of the last row of the grid, and upwards and sequentially arranging optical fiber welding equipment and equipment at the initial position at the row-column intersection of the grid in a non-intersecting manner on the basis of a tree structure;
taking an end forming port and a fusion point of the optical fiber as end points, and determining the coordinates of right-angle inflection points of a connecting line of which the two end points of the optical fiber are not on the same line of the grid so as to generate a connecting line end point and a line segment in an optical fiber vector diagram;
and determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in the optical fiber vector diagram.
In some embodiments, the determining, by the optical fiber vector diagram generating module, a bounding rectangle that bounds all the connection endpoints according to the distribution range of the connection endpoint coordinates of the optical fibers in the same device includes:
determining the maximum value and the minimum value of coordinates in the horizontal direction and the vertical direction in the connection line end points of optical fibers in the same equipment;
and determining an enclosing region according to the maximum value and the minimum value of the coordinates in the horizontal direction and the vertical direction, and stretching the enclosing region according to a preset proportion to obtain an enclosing rectangle enclosing the end points of all the connecting lines.
In some embodiments of the present invention, the first and second,
the optical fiber vector diagram generating module is further used for generating optical fiber number text information and coordinates and equipment text information and coordinates on the optical fiber vector diagram respectively according to the optical fiber number information recorded in each optical fiber and the name information of each equipment.
Compared with the prior art, the invention has the advantages that:
the method converts the end forming ports and the welding points of the optical fibers in the optical fiber connection information and the connection relation between the end forming ports and the welding points into the data of the adjacency list consisting of the end points and the connecting lines, and generates the optical fiber vector diagram of the optical cable ring or the optical cable chain based on the equipment information and the data of the adjacency list. And then, optical path scheduling can be carried out based on the visual optical fiber vector diagram. The whole process is visual and visualized. And when the optical path is scheduled, the connection and occupation conditions of the optical cable and the optical fiber resources are also visualized, the scheduling result is more accurate, and the problem that the automatic scheduling result cannot meet the expectation and needs to be repeated is solved.
Drawings
Fig. 1 is a flowchart of a visual optical path scheduling method for an optical distribution network according to an embodiment of the present invention;
FIG. 2 is a flow chart of generating a fiber vector diagram for a cable loop in an embodiment of the present invention;
FIG. 3 is a schematic illustration of a cable loop physical connection in an embodiment of the present invention;
FIG. 4 is a diagram of a fiber vector diagram of a cable ring generated in an embodiment of the present invention;
FIG. 5 is a schematic diagram of an embodiment of the present invention in which a bounding rectangle is obtained;
FIG. 6 is a flow chart of generating a fiber vector diagram for an optical cable chain in an embodiment of the present invention;
FIG. 7 is a schematic illustration of a physical connection of a cable chain in an embodiment of the present invention;
fig. 8 is a fiber vector diagram structure of an optical cable chain generated in an embodiment of the present invention;
fig. 9 is a block diagram of a visual optical path scheduling system of an optical distribution network according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, an embodiment of the present invention provides a method for visual optical path scheduling of an optical distribution network, where the method includes the following steps:
s1, determining an equipment group included in an optical cable ring or an optical cable chain where an optical path to be scheduled is located, and acquiring equipment information and optical fiber connection information of each optical cable section of connection equipment.
In this embodiment, for a cable loop, the equipment cluster typically includes equipment at the start and end locations, fiber fusion splicing equipment, and fiber terminating equipment. For cable chains, the equipment group typically includes equipment at the starting location, fiber fusion splicing equipment, and fiber terminating equipment. The starting and ending location devices may be devices in a room, the fiber splicing device may be a splice closure, and the fiber terminating device may be an optical cross-connect box.
The information of the equipment is mainly the arrangement condition of each equipment, and the optical fiber connection information of the optical cable section mainly comprises optical fiber information, terminating and welding information of the optical fiber and occupation condition information of terminating ports.
And S2, converting the end forming ports and the welding points of the optical fibers in the optical fiber connection information and the connection relation between the end forming ports and the welding points into adjacency list data consisting of end points and connecting lines.
Specifically, the adjacency list data includes two types of parameters, i.e., end points and connection lines, where the end points are used to represent the fiber ports and the fusion splices, and the connection lines are used to represent the connection relationships between the fiber ports and the fusion splices.
And S3, generating an optical fiber vector diagram of the optical cable ring or the optical cable chain based on the equipment information and the adjacency list data.
And S4, distinguishing and identifying the line segments representing the optical fibers in the optical fiber vector diagram according to the occupation condition of the optical fibers.
In this embodiment, whether the optical fiber is occupied or not can be identified by different colors, for example, when all the optical fibers represented by the line segments in the optical fiber vector diagram are occupied, the optical fiber vector diagram is displayed in black, otherwise, the optical fiber vector diagram is displayed in green, so that the overall visual display of the whole optical cable optical fiber path and the resource occupation condition is realized.
And S5, sequentially selecting idle optical fibers in the optical fiber vector diagram according to the equipment at the starting position and the ending position of the optical path to be scheduled and based on the identification condition to obtain the optical fiber path of the optical path to be scheduled.
Referring to fig. 2, for step S3, the method specifically includes the following steps for the optical cable ring:
s311, determining the arrangement sequence of the starting position and the ending position of the optical cable loop trunk line and the optical fiber fusion splicing equipment.
S312, determining the arrangement sequence of the optical fiber terminating devices on the optical cable loop branch line, wherein the optical fiber terminating devices are connected with the optical fiber welding devices in a one-to-one correspondence mode.
S313, arranging the equipment on the optical cable loop trunk line on 4 sides of the loop in the rectangular loop area, and arranging the equipment on the optical cable loop branch line on 4 sides of the loop in the rectangular loop area.
And S314, connecting by taking the end forming ports and the fusion points of the optical fibers as end points to generate a connecting end point and a line segment in the optical fiber vector diagram, and adding a right-angle inflection point to a line segment of which the two connecting end points are not positioned on the same side of the rectangular ring area.
S315, determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in an optical fiber vector diagram.
The following describes a specific example of a fiber vector diagram for creating a cable loop:
referring to fig. 3, it is determined that the equipment arrangement order is 200a, 200b, 200c, 200d, 200e on the cable trunk line 2001, and it is determined that the equipment in the machine room 200 is 200a and 200e, and 200b, 200c, 200d are all the optical fiber fusion splicing equipment.
The arrangement sequence of the devices on the optical cable loop branch line 2002 is determined to be 200f, 200g and 200h, and the 200f, 200g and 200h are all optical fiber terminating devices.
Referring to fig. 4, the devices on the cable ring trunk 2001 are arranged on 4 sides of the ring 202 in the rectangular ring area, as shown at 204 in fig. 4(204 represents an enclosure area to be defined, which is used to represent 200b in this embodiment), on the top side of the ring 202 in the rectangular ring area, and so on for the other devices on the cable ring trunk 2001.
The devices on the cable loop leg 2002 are arranged on 4 sides of the rectangular loop area outer loop 201, as shown in figure 4 at 203(203 represents an enclosure area to be defined, which in this embodiment is shown as 200f), on the top side of the rectangular loop area outer loop 201, and 203 and 204 are connected so that they have the same horizontal coordinates, and so on for the other devices on the cable loop leg 2002.
Then, taking the optical fibers with the numbers 205 and 212 as an example, the number of an end port of the optical fiber 205 is 208, the number of an end port of the optical fiber 212 is 209, the number of a fusion port of the optical fiber 205 and the optical fiber 212 is 207, and the end port 208, the end port 209 and the fusion port 207 are used as end points to generate connection end points (208, 207, 209) and line segments (205, 212) in an optical fiber vector diagram, wherein coordinates of the points (208, 207, 209) are determined according to coordinates of rooms or equipment (200, 204, 203) where the points are located on a rectangular ring area. In this embodiment, the coordinates of the machine room or equipment (200, 204, 203) on the rectangular ring area can be determined with the top left vertex of the rectangular ring area as the origin. Since the two connection end points (208, 207) of the line segment 205 are not located on the same side of the rectangular ring region, if the connection end points 208 and 207 are directly connected to form a line segment, the line segment will be a diagonal line, so that a right-angled inflection point needs to be added. And the other fibers are analogized to generate a connecting line endpoint, a line segment and a right-angle inflection point in the fiber vector diagram.
And determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same equipment.
Specifically, the maximum value and the minimum value of coordinates in the horizontal direction and the vertical direction among the end points of the connection line of the optical fibers in the same device are first determined. It is understood that the same device is referred to herein as the same originating or terminating location device, fiber fusion splicing device or fiber terminating device.
And then determining an enclosing region according to the maximum value and the minimum value of the coordinates in the horizontal direction and the vertical direction, and stretching the enclosing region according to a preset proportion to obtain an enclosing rectangle enclosing the end points of all the connecting lines.
The following is a specific example:
taking the optical fiber terminating device 200f as an example, as shown in fig. 5, there are 5 connection end points (A, B, C, D, E, F) in the diagram of 200f, wherein the coordinate of the point a in the X direction is the smallest and is marked as X min (ii) a The coordinate of the point B in the Y direction is maximum and is marked as Y max (ii) a The maximum coordinate in the X direction of point C is denoted as X max (ii) a The coordinate in the Y direction of the point C is minimum and is recorded asY min (ii) a From the connection endpoints A, B and C, the coordinate (X) of the upper left corner of rectangle 1 can be determined min ，Y max ) And coordinates of lower right corner (X) max ，Y min ) Then, the rectangle 1 is stretched according to a preset proportion, and the rectangle 2 capable of surrounding all the connection line end points is obtained through moderate amplification.
The rectangle 2 obtained in the above manner is the desired enclosing rectangle 203, and the optical fiber terminating device 200f is represented by the enclosing rectangle 203. By analogy with other devices on the cable loop trunk 2001 and cable loop branch 2002, it can be determined that the corresponding devices are represented by enclosing rectangles. In addition, for the equipment 200a at the start position and the equipment 200e at the end position in the same machine room, only one enclosing rectangle 200 is generated to enclose the connection end points in the equipment 200a at the start position and the equipment 200e at the end position when the optical fiber vector diagram is generated.
After the above processing, the surrounding rectangles for representing the devices and the optical fibers connected between the surrounding rectangles can be obtained, thereby completing the optical fiber vector diagram of the optical cable loop.
As a preferred embodiment, in the process of generating the optical fiber vector diagram of the optical cable ring, in this embodiment, the optical fiber number text information and coordinates and the device text information and coordinates may also be generated on the optical fiber vector diagram according to the optical fiber number information recorded in each optical fiber and the name information of each device, respectively. The optical fiber number text information is 1-12 shown as number 213 in the figure, and the equipment text information is a machine room shown as number 214 in the figure.
In addition, in order to facilitate fast generation of the optical fiber vector diagram, the present embodiment further performs grouping and merging processing on the optical fibers in the optical fiber ring, where the optical fiber grouping and merging process is as follows:
A. and grouping the optical fibers of each optical cable section in the optical cable ring, and classifying the optical fibers with the same optical fiber number in each optical cable section into an optical fiber group.
B. Traversing each optical fiber in each optical fiber group, recording whether the object type connected with the two ends of each optical fiber is an end port or other optical fibers, adopting characters to distinguish and identify different object types, combining the equipment node object number of each end of the optical fiber, and constructing a characteristic character string according to the optical fiber route of the optical fiber group.
C. And merging the optical fiber groups with the same characteristic character strings, and drawing only one group of connecting lines when generating the optical fiber vector diagram.
The method for constructing the characteristic character string in the step B comprises the following steps: the objects connected with the two ends of each optical fiber are respectively marked as an A end and a B end; both the a-side and the B-side may be a terminated port or other fiber optic object. According to the difference of the types of the connection objects at the two ends A, B, and then combining the object numbers of the equipment nodes belonging to the two ends A, B (referring to the numbers 1-7 of the equipment in fig. 4), a characteristic character string is constructed, and the format of the characteristic character string is as follows:
[ (a 1-end object type) (device node object number belonging to a1 end), (B1-end object number belonging to a node) (B1-end object type) ]. [ (An-end object type) (device node object number belonging to An end), (B n-end object number belonging to a node) (Bn-end object type) ].
Wherein, when the A, B end object type is an end port, the character' is used for representing; A. the B-end object type is expressed by the character 'to' when other optical fiber objects are adopted; the special character strings of each optical fiber in the group are connected in series to represent the characteristic character strings of the optical fibers in the group, the character strings are irrelevant to specific optical fiber numbers and port numbers and only relevant to equipment numbers through which the optical fibers pass, therefore, as long as the routes through which the optical fibers pass are the same, the characteristic character strings are the same, and whether the two groups of optical fibers can be merged or not can be quickly judged.
With reference to fig. 4, the characteristic character string of the optical fiber 210 in the drawing is illustrated as follows:
[(*)(1)，(～)(2)][(～)(2)，(*)(5)][(*)(5)，(～)(2)][(～)(2)，(～)(3)][(～)(3)，(～)(4)][(～)(4)，(*)(1)]
the characteristic string of the optical fiber 211 is:
[(*)(1)，(～)(2)][(～)(2)，(*)(5)][(*)(5)，(～)(2)][(～)(2)，(～)(3)][(～)(3)，(～)(4)][(～)(4)，(*)(1)]
it can be seen that the feature character strings of the optical fibers 210 and 211 are the same, and it can be determined that they are combinable with the same route, and after combination, the number of lines drawn in the optical fiber vector diagram can be greatly reduced, which is convenient for fast generation of the optical fiber vector diagram.
Referring to fig. 6, for step S3, the method specifically includes the following steps for the cable chain:
s321, determining a tree structure consisting of initial position equipment, optical fiber welding equipment, optical fiber terminating equipment and an optical cable section in an optical cable chain, wherein the optical fiber terminating equipment and the initial position equipment are respectively a leaf node and a root node of the tree structure;
s322, setting grids by taking the number of optical fiber terminating equipment as a column number and taking the maximum depth of a tree structure as a row number;
s323, arranging optical fiber terminating equipment at the row-column intersection of the last row of the grid, and upwards and sequentially arranging optical fiber welding equipment and equipment at the initial position at the row-column intersection of the grid in a non-intersecting manner on the basis of a tree structure;
s324, end forming ports and fusion points of the optical fibers are used as end points, and right-angle inflection point coordinates of a connecting line of the two end points of the optical fibers, which are not on the same line of the grid, are determined so as to generate a connecting line end point and a line segment in the optical fiber vector diagram;
and S325, determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in an optical fiber vector diagram.
The following describes a vector diagram of optical fibers for producing a cable chain, with another specific example:
referring to fig. 7, the device at the start position is a device 300a in the machine room 300, and starting from the device 300a in the machine room 300, a tree structure formed by optical cables and device groups is found by taking the device 300a as a root node. From the root node 300a, in depth order: (300a) (300b), (300c, 300e, 300i), (300d, 300f, 300g, 300h), i.e., the maximum depth is 4 layers.
The optical fiber terminating equipment positioned on the leaf node in the tree structure is as follows: 300d, 300f, 300g, 300h, 300i, i.e. there are 5 fiber terminating devices.
Referring to fig. 8, a grid is provided, wherein the number of rows of the grid is 4 rows (R3001-R3004) and the number of columns of the grid is 5 columns (C3001-C3005).
300d, 300f, 300g, 300h, 300i are arranged at the row-column intersection of the last row of the grid, and then the optical fiber fusion splicing device and the device at the start position are arranged at the row-column intersection of the grid in order upward in a non-intersecting manner from the leaf node (300d, 300f, 300g, 300h, 300i) to the root node 300a of the tree structure.
Wherein the column of the parent node of each layer of nodes is consistent with the leftmost child node column of the child nodes. As shown in fig. 8, the column of the node 300e coincides with the column of the leftmost node 300f among the child nodes.
Then, taking the optical fibers with the numbers 301 and 302 as an example, the number of the terminating port of the optical fiber 301 is 304, the number of the terminating port of the optical fiber 302 is 306, the number of the fusion-spliced port of the optical fiber 301 and the optical fiber 302 is 303, and the terminating port 304, the terminating port 306 and the fusion-spliced port 303 are used as endpoints to generate connecting line endpoints (304, 303, 306) and line segments (301, 302) in the optical fiber vector diagram, wherein the coordinates of the points (304, 303, 306) are determined according to the coordinates of the machine rooms or devices (300, 300b, 300i) where the points are located on the grid respectively. All the routes passed by the optical fibers reaching the equipment on the same leaf node on the tree are the same, so that only one connecting line reaching the leaf node in the generated optical fiber vector diagram is provided, and the sequence of the generated line segments is arranged according to the sequence of the leaf nodes connected by the line segments so as to ensure that the connecting lines do not intersect.
Since the two connection endpoints (303, 306) of the line segment 302 are not on the same line of the grid, if the connection endpoints 303 and 306 are directly connected to form a line segment, the line segment will be an oblique line, so that a right-angled inflection point needs to be added. And the other fibers are analogized to generate a connecting line endpoint, a line segment and a right-angle inflection point in the fiber vector diagram.
And determining a surrounding rectangle surrounding all the connection endpoints according to the coordinate distribution range of the connection endpoints of the optical fibers in the same equipment. And for the equipment in the same machine room, only one connecting line end point of the rectangular surrounding equipment is generated when the optical fiber vector diagram is generated. The step of determining the bounding rectangle is similar to the cable ring and will not be described further.
As a preferred embodiment, in the process of generating the optical fiber vector diagram of the optical cable chain, in this embodiment, the optical fiber number text information and coordinates and the device text information and coordinates may also be generated on the optical fiber vector diagram according to the optical fiber number information recorded in each optical fiber and the name information of each device, respectively. The optical fiber number information is, for example, 1 to 12 shown by reference numeral 308 in the figure, and the equipment information is, for example, a splice closure shown by reference numeral 307 in the figure.
After obtaining the optical fiber vector diagram of the optical cable ring or the optical cable chain, the visual optical path scheduling can be carried out, and the optical path scheduling process is as follows:
and displaying an optical fiber vector diagram on the optical path scheduling page, and calculating the occupation condition of each optical fiber according to the occupation condition information of the optical fiber terminating port in the optical cable section. And then, marking by adopting different colors, for example, if all optical fibers represented by connecting lines in the optical fiber vector diagram are occupied, displaying the optical fibers in black, or else, displaying the optical fibers in green, thereby realizing the global visual display of the whole optical fiber path and the resource occupation condition of the optical cable.
And clicking a proper connection line with free optical fibers in the optical fiber vector diagram according to the positions of the optical path starting equipment and the optical path terminating equipment to be scheduled, and popping up an optical fiber selection page.
And clicking an idle optical fiber in the optical fiber selection page, and popping up the optical path creation page.
After the optical path creation page inputs basic attributes such as an optical path name and the like, an optical path can be created and stored, and an optical path visual display page is displayed.
In summary, compared with the prior art, the method in the present invention converts the connection relationship between the fiber ports in the fiber connection information into the adjacency list data composed of the end points and the connection lines, and generates the fiber vector diagram of the fiber cable loop or the fiber cable chain based on the device information and the adjacency list data. And then, optical path scheduling can be carried out based on the visual optical fiber vector diagram. The whole process is visual and visual. And when the optical path is scheduled, the connection and occupation conditions of the optical cable and the optical fiber resources are also visualized, the scheduling result is more accurate, and the problem that the automatic scheduling result cannot meet the expectation and needs to be repeated is solved.
Referring to fig. 9, an embodiment of the present invention further provides an optical distribution network visual optical path scheduling system, which is respectively connected to an optical path scheduling page (UI) and a database, and the system includes a resource synchronization interface module, a resource data conversion module, an optical fiber vector diagram generation module, an optical path scheduling visual interaction module, an optical path visual scheduling module, and a data read/write module.
The resource synchronization interface module is used for acquiring equipment information of equipment included in an optical cable ring or an optical cable chain where an optical path to be scheduled is located, and optical fiber connection information of each optical cable segment of the connection equipment.
And the resource data conversion module is used for converting the end forming ports and the welding points of the optical fibers in the optical fiber connection information and the connection relation between the end forming ports and the welding points into the data of the adjacency list consisting of end points and connecting lines. And then the data is stored in a database by the data reading and writing module for subsequent calculation.
And the optical fiber vector diagram generating module is used for generating an optical fiber vector diagram of the optical cable ring or the optical cable chain based on the equipment information and the adjacency list data.
And the light path dispatching visual interaction module distinguishes and identifies the line segment representing the optical fiber in the optical fiber vector diagram according to the occupation condition of the optical fiber.
And the optical path visual scheduling module sequentially selects idle optical fibers in the optical fiber vector diagram according to the equipment at the starting position and the ending position of the optical path to be scheduled and based on the identification condition of the optical path scheduling visual interaction module so as to obtain the optical fiber path of the optical path to be scheduled.
Further, the optical fiber vector diagram generating module generates an optical fiber vector diagram of the optical cable ring based on the device information and the adjacency list data, and specifically includes:
determining the arrangement sequence of the starting position and the ending position of the optical cable loop trunk line and the optical fiber fusion equipment;
determining the arrangement sequence of optical fiber terminating equipment on the optical cable loop branch line, wherein the optical fiber terminating equipment is connected with optical fiber fusion splicing equipment in a one-to-one correspondence manner;
arranging the equipment on the optical cable loop trunk line on 4 sides of the loop in the rectangular loop area, and arranging the equipment on the optical cable loop branch line on 4 sides of the outer loop in the rectangular loop area;
connecting by taking an end port and a fusion point of the optical fiber as end points to generate a connecting end point and a line segment in an optical fiber vector diagram, and adding a right-angle inflection point to a line segment of which the two connecting end points are not positioned on the same side of the rectangular ring area;
and determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in the optical fiber vector diagram.
Further, the optical fiber vector diagram generating module generates an optical fiber vector diagram of the optical cable chain based on the device information and the adjacency list data, and specifically includes:
determining a tree structure consisting of initial position equipment, optical fiber welding equipment, optical fiber terminating equipment and an optical cable section in an optical cable chain, wherein the optical fiber terminating equipment and the initial position equipment are respectively a leaf node and a root node of the tree structure;
setting grids by taking the number of the optical fiber terminating equipment as the column number and the maximum depth of the tree structure as the row number;
arranging optical fiber terminating equipment at the row-column intersection of the last row of the grid, and upwards and sequentially arranging optical fiber welding equipment and equipment at the initial position at the row-column intersection of the grid in a non-intersecting manner on the basis of a tree structure;
taking an end forming port and a fusion point of the optical fiber as end points, and determining the coordinate of a right-angle inflection point of a connecting line of the two end points of the optical fiber, which are not on the same line of the grid, so as to generate a connecting line end point and a line segment in the optical fiber vector diagram;
and determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in the optical fiber vector diagram.
Further, the optical fiber vector diagram generating module determines a bounding rectangle that bounds all the connection end points according to the distribution range of the connection end point coordinates of the optical fibers in the same device, and specifically includes:
determining the maximum value and the minimum value of coordinates in the horizontal direction and the vertical direction in the connection end points of optical fibers in the same equipment;
and determining an enclosing region according to the maximum value and the minimum value of the coordinates in the horizontal direction and the vertical direction, and stretching the enclosing region according to a preset proportion to obtain an enclosing rectangle enclosing the end points of all the connecting lines.
Further, the optical fiber vector diagram generating module is further configured to generate optical fiber number text information and coordinates and device text information and coordinates on the optical fiber vector diagram according to the optical fiber number information and name information of each device recorded in each optical fiber.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A visual light path scheduling method of an optical distribution network is characterized by comprising the following steps:
determining an equipment group included in a cable ring or a cable chain where an optical path to be scheduled is located, and acquiring equipment information and optical fiber connection information of each cable segment of connection equipment;
converting an end forming port and a welding point of the optical fiber in the optical fiber connection information and a connection relation between the end forming port and the welding point into adjacency list data consisting of end points and connecting lines;
generating an optical fiber vector diagram of the optical cable ring or the optical cable chain based on the equipment information and the adjacency list data;
distinguishing and marking the line segments representing the optical fibers in the optical fiber vector diagram according to the occupation condition of the optical fibers;
and sequentially selecting idle optical fibers in the optical fiber vector diagram according to the equipment at the starting position and the ending position of the optical path to be scheduled and based on the identification condition so as to obtain the optical fiber path of the optical path to be scheduled.
2. The visual optical path scheduling method of the optical distribution network as claimed in claim 1, wherein the generating of the optical fiber vector diagram of the optical cable ring based on the device information and the adjacency list data specifically includes:
determining the arrangement sequence of equipment at the starting position and the ending position on the optical cable loop trunk line and optical fiber fusion equipment;
determining the arrangement sequence of optical fiber terminating equipment on the optical cable loop branch line, wherein the optical fiber terminating equipment is connected with optical fiber fusion splicing equipment in a one-to-one correspondence manner;
arranging the equipment on the optical cable loop trunk line on 4 sides of the loop in the rectangular loop area, and arranging the equipment on the optical cable loop branch line on 4 sides of the outer loop in the rectangular loop area;
connecting by taking an end port and a fusion point of the optical fiber as end points to generate a connecting end point and a line segment in an optical fiber vector diagram, and adding a right-angle inflection point to a line segment of which the two connecting end points are not positioned on the same side of the rectangular ring area;
and determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in the optical fiber vector diagram.
3. The visual optical path scheduling method of the optical distribution network as claimed in claim 1, wherein generating an optical fiber vector diagram of the optical cable chain based on the device information and the adjacency list data specifically includes:
determining a tree structure consisting of initial position equipment, optical fiber welding equipment, optical fiber terminating equipment and an optical cable section in an optical cable chain, wherein the optical fiber terminating equipment and the initial position equipment are respectively a leaf node and a root node of the tree structure;
setting grids by taking the number of the optical fiber terminating equipment as the column number and the maximum depth of the tree structure as the row number;
arranging optical fiber terminating equipment at the row-column intersection of the last row of the grid, and upwards and sequentially arranging optical fiber welding equipment and equipment at the initial position at the row-column intersection of the grid in a non-intersecting manner on the basis of a tree structure;
taking an end forming port and a fusion point of the optical fiber as end points, and determining the coordinate of a right-angle inflection point of a connecting line of the two end points of the optical fiber, which are not on the same line of the grid, so as to generate a connecting line end point and a line segment in the optical fiber vector diagram;
and determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in the optical fiber vector diagram.
4. The visual optical path scheduling method of the optical distribution network as claimed in claim 2 or 3, wherein determining a bounding rectangle that bounds all the connection endpoints according to the distribution range of the connection endpoint coordinates of the optical fibers in the same device specifically comprises:
determining the maximum value and the minimum value of coordinates in the horizontal direction and the vertical direction in the connection end points of optical fibers in the same equipment;
and determining an enclosing region according to the maximum value and the minimum value of the coordinates in the horizontal direction and the vertical direction, and stretching the enclosing region according to a preset proportion to obtain an enclosing rectangle enclosing the end points of all the connecting lines.
5. The visual optical path scheduling method for the optical distribution network according to claim 2 or 3, wherein the method further comprises:
and respectively generating optical fiber number text information and coordinates and equipment text information and coordinates on the optical fiber vector diagram according to the optical fiber number information recorded in each optical fiber and the name information of each equipment.
6. The visual optical path scheduling method for the optical distribution network as claimed in claim 2, wherein the method further comprises the step of merging the optical fibers of the same route.
7. The visual optical path scheduling method of the optical distribution network according to claim 6, wherein merging optical fibers of the same route specifically includes:
classifying the optical fibers with the same optical fiber number in each optical cable section into an optical fiber group;
traversing each optical fiber in each optical fiber group, recording whether the object type connected with the two ends of each optical fiber is an end port or other optical fibers, adopting characters to distinguish and identify different object types, combining the equipment node object number of each end of the optical fiber, and constructing a characteristic character string according to the optical fiber route of the optical fiber group;
and merging the optical fiber groups with the same characteristic character string.
8. The visual light path scheduling system of a kind of optical distribution network, characterized by that, comprising:
the resource synchronization interface module is used for acquiring equipment information of an equipment group included in a cable ring or a cable chain where an optical path to be scheduled is located and optical fiber connection information of each optical cable section of the connection equipment;
the resource data conversion module is used for converting the end forming ports and the fusion points of the optical fibers in the optical fiber connection information and the connection relation between the end forming ports and the fusion points into adjacency list data consisting of end points and connecting lines;
the optical fiber vector diagram generating module is used for generating an optical fiber vector diagram of the optical cable ring or the optical cable chain based on the equipment information and the adjacency list data;
the optical path dispatching visual interaction module is used for distinguishing and identifying the line segments representing the optical fibers in the optical fiber vector diagram according to the occupation condition of the optical fibers;
and the optical path visual scheduling module is used for sequentially selecting idle optical fibers in the optical fiber vector diagram according to the equipment at the starting position and the ending position of the optical path to be scheduled and based on the identification condition of the optical path scheduling visual interaction module so as to obtain the optical fiber path of the optical path to be scheduled.
9. The visual optical path scheduling system of an optical distribution network of claim 8, wherein the optical fiber vector diagram generating module generates an optical fiber vector diagram of an optical cable ring based on the device information and adjacency list data, and specifically comprises:
determining the arrangement sequence of the starting position and the ending position of the optical cable loop trunk line and the optical fiber fusion equipment;
determining the arrangement sequence of optical fiber terminating equipment on the optical cable loop branch line, wherein the optical fiber terminating equipment is connected with optical fiber fusion splicing equipment in a one-to-one correspondence manner;
arranging the equipment on the optical cable loop trunk line on 4 sides of the loop in the rectangular loop area, and arranging the equipment on the optical cable loop branch line on 4 sides of the outer loop in the rectangular loop area;
connecting by taking an end port and a fusion point of the optical fiber as end points to generate a connecting end point and a line segment in an optical fiber vector diagram, and adding a right-angle inflection point to a line segment of which the two connecting end points are not positioned on the same side of the rectangular ring area;
and determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in the optical fiber vector diagram.
10. The visual optical path scheduling system of an optical distribution network of claim 8, wherein the optical fiber vector diagram generating module generates an optical fiber vector diagram of an optical cable chain based on the device information and adjacency list data, and specifically comprises:
determining a tree structure consisting of initial position equipment, optical fiber fusion equipment, optical fiber terminating equipment and an optical cable section in an optical cable chain, wherein the optical fiber terminating equipment and the initial position equipment are respectively a leaf node and a root node of the tree structure;
setting grids by taking the number of the optical fiber terminating equipment as the column number and the maximum depth of the tree structure as the row number;
arranging optical fiber terminating equipment at the row-column intersection of the last row of the grid, and upwards and sequentially arranging optical fiber welding equipment and equipment at the initial position at the row-column intersection of the grid in a non-intersecting manner on the basis of a tree structure;
taking an end forming port and a fusion point of the optical fiber as end points, and determining the coordinates of right-angle inflection points of a connecting line of which the two end points of the optical fiber are not on the same line of the grid so as to generate a connecting line end point and a line segment in an optical fiber vector diagram;
and determining a surrounding rectangle surrounding all the connection end points according to the coordinate distribution range of the connection end points of the optical fibers in the same device so as to represent the device in the optical fiber vector diagram.
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