JP2007166504A - Information processor, control method thereof, and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To maintain and manage a conductor in an optical cable network quickly and accurately, and to lighten a workload. <P>SOLUTION: The information processor comprises an optical cable management database for correspondingly storing information for identifying an optical cable, information for indicating the length of the optical cable, and information for identifying relay facilities in which the optical cable is taken, in each of optical cables for composing an optical cable network; a first relay facilities input for receiving the input of information for identifying first relay facilities; a second relay facilities input for receiving the input of information for identifying second relay facilities; a route search part for obtaining a route from the first relay facilities to the second ones; an optical cable length calculation part for calculating the sum of each optical cable length of each obtained route for each route; and a search result output for outputting the list of information for indicating each obtained route in the sorted state by the calculated sum of the length of the optical cable. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an information processing apparatus that supports management of an optical cable network, a control method for the information processing apparatus, and a program.

In recent years, with the advancement of information technology, the amount of data exchanged between computers has increased, and the demand for faster communication lines has increased. Along with this, construction of optical cable networks is progressing rapidly.
Various techniques for managing such an optical cable network have also been developed (see, for example, Patent Document 1).
JP 2003-233629 A

An optical cable network is configured by connecting a large number of optical cables in a complicated manner over a wide area. Each optical cable includes a number of core wires.
Such management of the core of the optical cable network must be performed accurately and reliably, but in recent years, the number of users of the optical cable network has increased rapidly, and the laying of optical cables has been rapidly advanced.
For this reason, there is a need for a technique that can quickly and accurately maintain and manage the core of an optical cable network and reduce the work load.

  The present invention has been made in view of the above-described problems, and provides an information processing apparatus, an information processing apparatus control method, and a program for quickly and accurately performing maintenance and management of cores in an optical cable network and reducing work load. The main purpose.

In order to solve the above problems, the present invention provides, for each optical cable constituting an optical cable network, information for identifying an optical cable, information indicating the length of the optical cable, and information for identifying a relay facility into which the optical cable is taken in, An optical cable management database stored in association with each other, a first relay facility input unit that receives input of information specifying the first relay facility, and a second relay facility that receives input of information specifying the second relay facility An input unit, a route search unit for obtaining a route from the first relay facility to the second relay facility based on the information specifying the relay facility into which the optical cable is taken in, and the information indicating the length of the optical cable Based on the above, the sum of the lengths of the optical cables of the obtained paths is sorted by the optical cable length calculation unit that calculates for each path, and the sum of the calculated lengths of the optical cables. In state, a search result output unit that outputs a list of information indicating the obtained path above, an information processing apparatus, characterized in that it comprises a.
By such an aspect, it is possible to output a list of routes connecting two designated points in the optical cable network in a state sorted by the optical cable length. For example, it is possible to output in a state where the optical cable lengths are sorted in ascending order. For this reason, it becomes possible to reduce the route selection work burden at the time of line setting. For example, when selecting the shortest optical cable length from the output list, the route displayed at the top of the list may be selected. When a line is set in a route having the shortest optical cable length, light attenuation is small and a high-quality communication line can be provided to customers. Also, by shortening the optical cable length per line, it becomes possible to provide the line to more customers. By improving the utilization efficiency of the optical cable network in this way, it is possible to reduce the cost.

In addition, when the search result output unit outputs a list of information indicating the route, the search result output unit outputs the items with the same sum of the calculated optical cable lengths in a state sorted by the number of relay facilities on the route. It can also be done.
According to such an aspect, even when there are a plurality of paths having the same length of the optical cable length, for example, it is possible to output a list of paths in the order of increasing or decreasing light attenuation. Thereby, it becomes possible to make the determination of route selection easier.

Also, for each optical cable constituting the optical cable network, information for identifying the optical cable, information indicating the type of the optical cable, information indicating the length of the optical cable, and information specifying the relay facility into which the optical cable is taken in are associated with each other. Optical cable management database to be stored, line loss management database to store information indicating the amount of light attenuation per unit length of optical cable determined according to the type of optical cable, information for identifying each relay facility, and each relay facility A light attenuation management database that stores information indicating the amount of light attenuation in association with each other, a first relay facility input unit that receives input of information specifying the first relay facility, and a second relay Based on the second relay facility input unit that receives input of information specifying the facility and the information that identifies the relay facility into which the optical cable is taken in, the first A route search unit for obtaining a route from the connection facility to the second relay facility, information indicating the length of the optical cable constituting each of the obtained routes, information indicating the type, and attenuation of light per unit length A light attenuation amount calculating unit that calculates the sum of the light attenuation amount for each of the paths based on information indicating the amount and information indicating the light attenuation amount in each relay facility constituting each of the paths; The information processing apparatus may further include a search result output unit that outputs a list of information indicating each of the obtained paths in a state where the calculated light attenuation amounts are sorted.
Also according to such an aspect, it is possible to output a list of routes in order of increasing or decreasing light attenuation. Since the light attenuation rate varies depending on the connection method of the core wires, the light attenuation amount of the entire route is obtained by adding the light attenuation amount for each relay facility, and the route with the least light attenuation is obtained by comparison. It becomes possible to select easily. This makes it easier to determine the route selection.

Further, here, the information indicating the amount of light attenuation at each relay facility stored in the light attenuation amount management database is the amount of light attenuation determined according to the connection method when connecting the optical fiber cores. For each optical fiber core in each relay facility,
The sum of the light attenuation calculated for each path is information indicating the light attenuation corresponding to the most connection method of the cores in each of the obtained relay facilities on each path, and each path. The information may be calculated based on information indicating the length of the optical cable to be configured, information indicating the type, and information indicating the attenuation of light per unit length.
By such an aspect, it is possible to calculate the amount of light attenuation between two designated points based on the amount of light attenuation according to the most connection method of the core wires in each of the relay facilities. Even when the connecting method of the core wire in the relay facility is not one way, it is possible to know the approximate value of the attenuation amount of each of the paths connecting the two specified points. This makes it possible to compare the amount of light attenuation of the entire path connecting the two specified points even in the examination stage before setting the line for which the core is not yet determined. It is possible to facilitate selection of a route.

In addition, the information processing apparatus includes a route designation input unit that receives input of information that designates at least one of the output information lists indicating each route, a line drawing figure indicating an optical cable, and a figure showing a relay facility. A path display unit that displays an image showing a connection relation of each optical cable on the designated path by a drawing method different from that of the other path may be provided.
By such an aspect, it is possible to visually grasp the route between two designated points, and to visually distinguish the route selected from the routes displayed in a list from other routes. Therefore, useful information at the time of route selection can be provided. For example, the selected route can be represented by a thicker line than the other routes, or by a color different from the other routes.

In addition, the information processing apparatus specifies information for specifying a relay facility, information for specifying each core of each optical cable taken into the relay facility, and each core of a counterpart connected to each of the cores. A core connection attribute management database that stores information in association with each relay facility, and a route designation input unit that receives input of information designating at least one of the list of information indicating each of the outputted routes And a core wire display unit for displaying an image showing a connection relation of each core wire on the specified route by a line drawing figure showing the core wire of the optical cable and a figure showing the relay equipment. it can.
With such an aspect, it is possible to visually display a core line connecting two designated points. As a result, it becomes possible to assign lines while looking at the connection relationship of the core wires, so that the line setting work can be facilitated.

Further, the core line display unit omits a relay facility in which all the core wires of each optical cable to be taken in are connected without being branched from the other core wire among the relay facilities on the designated route. Thus, an image showing the connection relationship between the cores on the designated route can be displayed.
By such an aspect, it is possible to omit the illustration of some relay facilities arranged between the first connection point and the second connection point, and there are many relay facilities on the route. However, it is possible to easily grasp the connection relationship on the route.

In addition, the information processing apparatus includes a core wire owner management database that stores information for specifying each core wire of each optical cable and information for specifying an owner of each core wire in association with each other, and The core line display unit omits a predetermined owner's core line from each of the core lines on the designated route, and displays an image showing a connection relation of the core wires on the designated route. It can also be done.
By such an aspect, the number of displayed cores can be reduced, so that the connection relationship of the cores on the route can be easily seen. For this reason, it is possible to facilitate selection of a route.

Further, the core line display unit represents each relay facility on the designated route by a substantially rectangular figure, and information specifying the core wires connected to each other in each relay facility is displayed on two opposite sides of the substantially rectangular shape. And displaying a pair of information specifying the cores connected to each other along a straight line perpendicular to the two sides, or a straight line perpendicular to the two sides and parallel to the two sides. It is also possible to display the information by connecting the other pair and the common straight line by a broken line, and displaying the information for identifying the partner's core line in the bent portion of the broken line (see FIG. 28). ).
According to such an aspect, the number of lines representing the connection relation of the core wires can be displayed smaller than the actual number, so that the connection relation of the core wires in each relay facility can be easily seen. In particular, when the number of cores connected in one relay facility reaches several thousand, a number of cores may be connected in a complicated manner, and the partner's core may not be displayed on the same screen. In such a case, if the information for specifying the partner's core wire is displayed at the bent portion of the broken line, the connection relationship of the core wires can be easily grasped. Thereby, the work efficiency at the time of line setting can be improved.

The straight line common to the other pairs parallel to the two sides may be a single straight line common to each pair parallel to the two sides.
According to such an aspect, when displaying the connection relation of the core wires in each relay facility, the straight lines parallel to the two sides can be displayed together as a single line, so that it can be further easily viewed.

Further, in the optical cable management database, information for specifying each core bundle in which each core wire is bundled at a predetermined number in the optical cable, and information for specifying each core wire in each core wire bundle are provided for each optical cable. Correspondingly stored, the core wire display unit displays an image showing the connection relationship of the core wire bundles on the designated route by a line drawing figure showing the core wire bundle of the optical cable and a figure showing the relay equipment. You can also
By such an aspect, since the connection relation on the path is displayed for each core wire bundle, the display can be made easy to see.

Also, for each optical cable that constitutes the optical cable network, information for specifying the optical cable, information for specifying the relay facility into which the optical cable is taken in, information for specifying each core in the optical cable, and allocation of the line to each core Information indicating the situation, a core assignment management database that stores the information in association with each other, a relay facility input unit that receives input of information specifying the first relay facility, and the information that specifies the relay facility into which the optical cable is taken in Based on the above, the relay facility search unit for obtaining the second relay facility in which the other end of the optical cable in which one end is captured in the first relay facility and the allocation status of the line to each core line are shown. Based on the information, among the obtained second relay facilities, an optical cable that connects the first relay facility and the second relay facility includes a core wire to which an unallocated line is included. The line unallocated relay facility extraction unit, the line drawing graphic indicating the optical cable, and the graphic indicating the relay facility connect the first relay facility and each of the extracted second relay facilities with an optical cable. It is also possible to provide an information processing apparatus comprising a line unallocated route display unit that displays an image indicating that
According to such an aspect, it is possible to search for a relay facility connected by an optical cable including a core wire for which no line is set. This facilitates the route search work when setting up the line, and reduces the work load.

The line unallocated route display unit displays the number of cores in each optical cable connecting the first relay facility and the extracted second relay facility and the number of unassigned cores. Each of the optical cables may be displayed in the vicinity of the line drawing figure.
By such an aspect, it is possible to provide useful information when selecting a core for setting a line. For example, if there is a route in which only one unassigned core wire remains and a route in which a plurality of unassigned core wires remain, the latter may be selected. .

Further, the information processing apparatus receives an input of information specifying one of the extracted information indicating each second relay facility as an input of information indicating the first relay facility. And a section.
In this manner, it becomes possible to sequentially search for relay facilities connected by optical cables including cores for which no line is set, and for cores for which no line is set from the start point to the end point. It is possible to search for a route to be connected by the optical cable including. This makes it possible to improve the efficiency of the line setting work.

  In addition, the problems disclosed by the present application and the solutions thereof will be clarified by the column of the best mode for carrying out the invention and the drawings.

  Maintenance and management of the cores in the optical cable network can be performed quickly and accurately, and the work burden can be reduced.

=== Example of Overall Configuration ===
An overall configuration of an optical cable core management system 900 including an optical cable core management server 200 according to the present embodiment is shown in FIG. The optical cable core management server 200 corresponds to the information processing apparatus described in the claims.

<Optical cable core management system>
The optical cable core management system 900 is configured such that the user terminal 100 is communicably connected to the optical cable core management server 200 via the network 500.

  The optical cable core management system 900 is a system for core design / management based on a system diagram showing how each optical cable in an optical cable network is connected by a relay facility such as a station or a closure. In the optical cable management system 900, a station, a closure, a drop closure, a building, a CTF / IDF (Cable Terminating Frame / Intermediate Distribution Frame), customer information, and the status and operation status of the optical cable connecting these, closure, It is possible to manage the core wire connection status and its operation status in the CTF / IDF, the line superimposed on the core wire and its operation status.

  The optical cable core management system 900 has the following features. First, the optimum route can be selected from the search results of a plurality of routes while grasping the connection of the entire system diagram. In addition, it has a plan management function for equipment and core connection, and a reservation management function for a line superimposed on the core. Furthermore, in order to perform a quick design of FTTH (Fiber To The Home), consideration is given to not being affected by a decrease in response in communication speed. The multi-window environment allows editing of core and line attributes while opening multiple system diagrams and various forms on the screen. In addition, the download function allows you to download drawings and database lists such as system diagrams and single-line diagrams, and use them as attachments to construction specifications. In addition, the upload function enables efficient management of update of the number of cores assigned to each cable section.

<Optical cable core management server>
The optical cable core management server 200 is a computer for supporting management of the optical cable network.
The optical cable network is configured by connecting core wires in a plurality of optical cables to each other. Each optical cable typically includes tens to thousands of cores. In some optical cables, each core wire is bundled with a tape or the like every predetermined number to form a core wire bundle.
Each optical cable usually has a length of several hundred meters to several thousand meters. And it is taken into each relay equipment, such as a closure and a station. The optical cable taken into the relay facility may be connected to another optical cable or may pass through the relay facility.

  When a customer applies for use of an optical communication line, a customer line is assigned to the core of the optical cable network. As a result, the customer can perform optical communication using the core wire. If there is no core wire that can set a line, it is necessary to newly lay an optical cable. The case where there is no settable core is, for example, when all the cores have already been assigned to other customer's lines and there are no open cores or optical cables are not laid in the first place. .

  There are also cases where there are a plurality of routes (routes) in which a line can be set. In this case, in general, the line is set to a route that makes the length of the optical cable as short as possible. This is because if the length of the optical cable is short, there is less light loss, and high-quality optical communication can be performed. Moreover, since the number of empty cores increases as the length of the line per customer is shorter, the line can be provided to more customers.

  The optical cable core management server 200 according to the present embodiment performs each process of searching for an empty core and searching for the shortest path by a mechanism described later, thereby improving the efficiency of line assignment work to the core.

<User terminal>
The user terminal 100 is a computer that is communicably connected to the optical cable core management server 200 and is used when managing the optical cable network such as the line assignment work. The optical cable network can be managed without using the user terminal 100. In this case, the user terminal 100 may be omitted.

=== Configuration of optical cable core management server and user terminal ===
Next, the configuration of the optical cable core management server 200 and the user terminal 100 will be described. Both the optical cable core management server 200 and the user terminal 100 are computers, and the hardware configuration is basically the same. Therefore, these hardware configurations are summarized in one block diagram and shown in FIG.

<Optical cable core management server>
The optical cable core management server 200 is a computer including a CPU (Central Processing Unit) 210, a memory 220, a port 230, a recording medium reading device 240, an input device 250, an output device 260, and a storage device 280.

  The CPU 210 is responsible for overall control of the optical cable core management server 200, and is an optical cable core management server control program (consisting of codes for performing various operations according to the present embodiment stored in the storage device 280 ( Various functions as the optical cable core management server 200 are realized by reading 710 (corresponding to the program described in the claims) 710 into the memory 220 and executing it.

  For example, the optical cable core management server control program 710 is executed by the CPU 210 and cooperates with hardware devices such as the memory 220, the port 230, the input device 250, the output device 260, and the storage device 280. Optical cable management database, track loss management database, first relay facility input unit, second relay facility input unit, route search unit, optical cable length calculation unit, search result output unit, optical attenuation management database, optical attenuation calculation Section, path display section, path designation input section, core connection attribute management database, core line display section, core line owner management database, core line assignment management database, relay facility input section, relay facility search section, line unallocated relay A facility extraction unit, a line unallocated route display unit, and a relay facility continuation input unit are realized. The memory 220 can be constituted by a semiconductor memory device, for example.

  The recording medium reading device 240 is a device for reading a program and data recorded on a recording medium 400 such as a flexible disk, a magnetic tape, and a compact disk. The read program and data are stored in the memory 220 and the storage device 280. Therefore, for example, the optical cable core management server control program 710 recorded on the recording medium 400 is read from the recording medium 400 using the recording medium reader 240 and stored in the memory 220 or the storage device 280. it can. The recording medium reading device 240 can be built in the optical cable core management server 200 or can be externally attached.

  The storage device 280 can be, for example, a hard disk device or a semiconductor storage device. As shown in FIG. 3, the storage device 280 includes an optical cable core management server control program 710, a closure management database 600, a station management database 610, a customer management database 620, a building management database 630, a CTF / IDF management database 640, a cable. A management database 650, a unit loss value list 651 for each cable type, a core management database 660, and a core connection attribute management database 670 are stored. Among these, the cable management database 650 corresponds to the optical cable management database described in the claims. The core management database 660 corresponds to an optical cable management database, a core owner management database, and a core assignment management database described in the claims. The core connection attribute management database 670 corresponds to an optical attenuation management database and a core connection attribute management database described in the claims. The unit loss value list 651 for each cable type corresponds to the line loss management database described in the claims.

  The closure management database 600 is a database for managing closures. The closure is one of the relay facilities that take in each optical cable in the optical cable network. The closure management database 600 is shown in FIG. In the “closure name” column of the closure management database 600, information for specifying a closure is described. In the “connection information (cable name)” column, the name of the optical cable is described as information for specifying the optical cable to be taken into each closure. In the “connection information (section name)” column, information for specifying the relay facility into which the optical cable is taken is described. The “operation status” column describes the operation status of the closure.

  The station management database 610 is a database for managing stations. The station is also one of the relay facilities that take in each optical cable in the optical cable network. The station management database 610 is shown in FIG. In the “station name” column of the station management database 610, the name of the station is described as information for identifying the station. In the “building name” column, the name of the building indicating the location of the station is written.

  The customer management database 620 is a database for managing customers who use the optical cable network. Customers are also one of the relay facilities that take in each optical cable in the optical cable network. The customer management database 620 is shown in FIG. In the “Customer Name” column, the customer name is described as information for identifying the customer. In the “building name” column, the name of the building indicating the customer's location is written.

  The building management database 630 is a database for managing building information indicating the location of a station or a customer. The building management database 630 is shown in FIG. In the “label” column, the name of the building is described as information for identifying the building. In the “Transition Destination System Diagram” column, identification information of a system diagram in which information related to the optical cable laid in the building is described is described.

  The CTF / IDF management database 640 is a database for managing CTF / IDF installed in a station or customer's building. A CTF / IDF management database 640 is shown in FIG. In the “CTF / IDF name” column, information for specifying the CTF / IDF is described. In the “connection information (cable name)” column, information for specifying an optical cable taken into each CTF / IDF is described. In the “connection information (section name)” column, information for specifying the relay facility into which the optical cable is taken is described.

  The cable management database 650 is a database for managing each optical cable constituting the optical cable network. The cable management database 650 is shown in FIG. In the “cable name” column, information for specifying each optical cable is described. In the “cable section name” column, information for specifying a relay facility into which the optical cable is taken is described. In the “cable type” column, information indicating the type of the optical cable is described. In the “tape type” column, the number of cores in each core bundle in the optical cable is described. When “2” is described in the tape type column, it indicates that each core bundle includes two cores. The “total number of cores” column describes the number of cores in the optical cable. Information indicating the length of the optical cable is written in the “cable actual length” column.

  The unit loss value list 651 for each cable type is a database that stores information indicating the attenuation (dB) of light per unit length (1 km) of an optical cable determined according to the type of optical cable. A unit loss value list 651 for each cable type is shown in FIG. In the example shown in FIG. 38, SM (1.31 μ), SM (1.55 μ), and DSF (1.55 μ) are described as cable types.

  The core management database 660 is a database for managing each core in each optical cable. The core wire management database 660 is shown in FIG. In the “cable name” column, information for specifying a cable including each core wire is described. In the “cable section name” column, information for specifying a relay facility into which each optical cable is taken is described. In the “core number” column, information for specifying each core is described. In the “tape number” column, information for identifying each core bundle is described. In the “empty state” column, information indicating the allocation status of the line to each core is written. When “in use” is described, it indicates that a line has already been assigned to the core. When “vacant” is described, it indicates that no line is set for the core. In the “core wire status” column, the presence / absence of abnormality of each core wire is described. When “defect” is described, the core wire indicates that the optical communication cannot be performed. In the “core wire owner” column, information for identifying the owner of each core wire is described.

  The core wire connection attribute management database 670 includes information for specifying each core wire of each optical cable taken into the relay facility and information for specifying each core wire of the other party connected to each core wire for each relay facility. Is a database stored in association with each other. The core wire connection attribute management database 670 is shown in FIG. In the “equipment name” column, information specifying the relay equipment such as the name of the station or the closure is described. The optical cable described in the "Left cable section name" column and the optical cable described in the "Right cable section name" column are optical cables that are taken into the relay facility and connected to each other. Indicates. When connected to an optical fiber that is not connected to another optical fiber, an unmanaged optical cable, or the like, “Termination” is described in the “Connection / Termination” column. In the “method” column, a connection method for connecting the optical fiber cores to each other is described. As the connection method, there are “fusion”, “connector connection”, “pass”, “coupler connection” and the like. In the “loss value” column, information indicating the amount of light attenuation is described. The amount of light attenuation is determined according to the connection method between the core wires. In the example shown in FIG. 12, in the case of “fusion”, it is 0.4 (dB), and in the case of “pass”, it is 0 (dB).

The input device 250 is a device used for data input to the optical cable core management server 200 and functions as a user interface. For example, a keyboard or a mouse can be used as the input device 250.
The output device 260 is a device for outputting information to the outside and functions as a user interface. For example, a display or a printer can be used as the output device 260.

  The port 230 is a device for performing communication. For example, communication with other computers such as the user terminal 100 performed via the network 500 can be performed via the port 230. Further, for example, the optical cable core management server control program 710 may be received from another computer via the port 230 via the network 500 and stored in the memory 220 or the storage device 280.

<User terminal>
The user terminal 100 includes a CPU 110, a memory 120, a port 130, a recording medium reading device 140, an input device 150, an output device 160, and a storage device 180.
The functions of these devices are the same as those of the devices included in the optical cable core management server 200 described above.
Further, as shown in FIG. 4, a user terminal control program 700 is stored in the storage device 180 of the user terminal 100 and executed by the CPU 110, thereby realizing various functions as the user terminal 100. . For example, the user terminal control program 700 controls communication with the optical cable core management server 200 and realizes a browser function.

=== Route search processing ===
Next, processing when a route search between two points in the optical cable network is performed by the optical cable core management server 200 according to the present embodiment will be described with reference to FIGS. FIG. 29 is a flowchart showing the flow of route search processing.

  FIG. 13 shows a system diagram showing how each optical cable in the optical cable network is connected by a relay facility such as a station or a closure. Here, the system diagram shown in FIG. 13 is assumed to be displayed on the display that is the output device 160 of the user terminal 100, but of course is displayed on the display that is the output device 260 of the optical cable core management server 200. It may be the case.

  On the screen of the system diagram shown in FIG. 13, the mouse cursor is clicked on the icon indicating each relay facility, and the start point (first relay facility), passing point, and end point (second relay facility) are selected. Then (S1010), the optical cable core management server 200 searches for a route from the start point to the end point via the passing point (S1020). Then, a list of information indicating each route is output in a state sorted by the sum of the lengths of the optical cables of each route (S1040). When information specifying at least one of the information lists indicating the respective routes is input, a core connection diagram is displayed as shown in FIG. 14 (S1050). The core wire connection diagram displays an image showing the connection relationship of the core wires on the specified route by a line drawing figure showing the core line of the optical cable and a figure showing the relay equipment. In FIG. 14, station # 2 is the starting point, closure # 3 is the passing point, and customer # 2 is the ending point. It is also possible to omit the selection of a passing point.

  Further, when the optical cable core management server 200 executes a search for a route from the start point to the end point, a search condition can be input as shown in FIG. 15 (S1000). In the example shown in FIG. 15, the maximum number of spans and the maximum distance are set as search conditions. The number of spans is the number between relay facilities on the route from the start point to the end point. The distance is the sum of the lengths of the optical cables on the path from the start point to the end point. When the maximum number of spans or the maximum distance is specified as a search condition, it is possible to prevent searching for a route exceeding the specified number of spans or distance. By doing so, it is possible to shorten the search execution time. A cable can also be designated as a route search target. The cable to be searched can be determined by referring to the “cable owner” column of the cable management database 650.

  When a route from the start point to the end point is searched (S1020), the optical cable core management server 200 calculates the sum of the lengths of the optical cables on each searched route and the number of spans (S1030). As shown in FIG. 5, a list of information indicating each searched route is output in a state sorted by the sum of the lengths of the optical cables (S1040). As a result, it is possible to reduce the burden of route selection work at the time of line setting. If the calculated sum of the lengths of the optical cables is equal, they are output in a state sorted by the number of spans. Thereby, it becomes possible to make the determination of route selection easier. Note that the information indicating the attenuation of light in each relay facility stored in the “loss value” column of the core connection attribute management database 670, the information indicating the length of the optical cable stored in the cable management database 650, and the type of the optical cable Information indicating the amount of light attenuation per unit length of the optical cable stored in the unit loss value list 651 for each cable type, for each searched route, the entire route from the start point to the end point It is also possible to calculate a sum of light attenuation amounts and output a list of information indicating each searched route in a state where the light attenuation amounts are sorted according to the calculated light attenuation amount sum. As a result, it is possible to easily select a path with the least amount of light attenuation. This makes it easier to determine the route selection. Also, based on the information indicating the amount of attenuation of light according to the most connection method of the core wire in each relay facility on the route from the start point to the end point, the sum of the attenuation amount of the light is calculated and calculated. It is also possible to output a list of information indicating each searched route in a state sorted by the sum of the attenuation amount of light.

  In FIG. 16, when at least one route in the output list is specified and the “highlight” column is clicked, as shown in FIG. 17, a line drawing graphic indicating an optical cable and a graphic indicating a relay facility are displayed. In the system diagram, the connection relationship of each optical cable on the designated route is shown by a drawing method different from that of other routes. In the example shown in FIG. 17, each optical cable on the designated route is displayed with a thicker line than the optical cable of the other route, so that the designated route is illustrated by a drawing method different from the other route. Has been. The highlighting can be performed by displaying the optical cable of the designated route by a thick line or by displaying it in a color different from that of other optical cables. As a result, the route selected from the listed routes can be visually distinguished from other routes so as to be able to provide useful information at the time of route selection. become.

  Further, the loss addition table shown in FIG. 39 can be displayed by selecting any one of the routes displayed as a list in FIG. In the loss addition table shown in FIG. 39, the connection loss value is 0.2 (dB) and the cable loss value is 0.125 (dB) for the section from the relay equipment “A” to “B”. (SC) has a connection loss value of 0.5 (dB), the connection loss value is 0.2 (dB), and the cable loss value is 0. 0 for the section from “B” to “C”. 3 (dB), and the total of the relay facilities “A” to “C” is 1.325 (dB) in total. The cable loss value is automatically calculated according to the length of the optical cable by previously registering the loss value per km for each cable type in the unit loss value list 651 for each cable type. Note that the loss addition table shown in FIG. 39 can be displayed from the menu after selecting one of the routes displayed in the list in FIG. 16 and displaying the unit connection diagram.

  When at least one route in the list of FIG. 16 is designated and the “select” column is clicked, the screen shown in FIG. 18 is displayed. When the output format is selected here and the “execution” column is clicked, the cord connection diagram shown in FIG. 19 is displayed (S1050). In the core wire connection diagram, the relay facility is represented by a substantially rectangular figure. Note that the diagram shown in FIG. 14 is also a cord connection diagram as in FIG.

  When “line label” is set to “display” on the screen shown in FIG. 18, line labels other than the leftmost equipment are displayed in the core connection diagram. This is shown in FIG. In this case, a core label terminated in the facility draws a line label in the facility. If the line is terminated at a facility other than the one specified for the route, an arrow is drawn outside the facility, and a line label is drawn outside the arrow. When “Line label” is set to “Hide”, the line label is displayed only for the leftmost equipment. This is shown in FIG. In this case, the starting equipment always displays the line label regardless of whether or not the line label is displayed. Line labels are not displayed for equipment other than the start equipment, and the width of the equipment frame is reduced by not displaying the line label. This makes it possible to display the core wire connection diagram in an easy-to-see manner.

  When “cable frame” is set to “cable”, the core wire is displayed in a frame for each cable. This is shown in FIG. In this case, the cable frame of the optical cable connected to the facility is drawn outside the facility. When “cable frame” is set to “for each tape core”, the core is displayed in a frame of 2, 4, and 8 core tapes. That is, the connection relationship of each core bundle on the specified route is displayed. This is shown in FIG. In this case, the cable frame of the optical cable connected to the facility is drawn on the outside of the facility in tape type units. When the tape type is other than 2/4/8 core tape, only the cable frame is drawn without drawing the tape. Thereby, since the connection relation on the path is displayed for each tape, it is possible to make the display of the cord connection diagram easier to see.

  When “other company's reserved core” is “omitted”, the core of the predetermined owner is omitted from the cores on the route from the start point to the end point. This is shown in FIG. In this case, the core wire of a predetermined owner is connected in a straight line, and the core wire can be omitted in the case of an empty core wire without line information or reservation information. Further, when “for each tape core wire” is selected in the “cable frame line”, it is also possible not to display the tape at a portion where the core wire is omitted. Thereby, since the number of the core wires displayed can be reduced, it is possible to make the connection relationship of the core wires on the route easy to see. If “other company reservation core” is set to “not omitted”, all cores are displayed. This is shown in FIG.

  Also, when “passing closure” is set to “combined”, among the relay equipment on the specified route, all the cores of each optical cable to be taken in are connected to the other core without branching. Is omitted, and the connection relation of each core wire on the designated route is displayed. This is shown in FIG. In addition, when two optical cables are connected by adjacent closures and the connection methods of all the core wires are the same, the closures can be displayed together. As a result, the closure between the start point and the end point can be omitted for illustration, so even if there are many closures on the route, the connection relationship on the route can be easily grasped. It becomes. If “pass closure” is set to “do not put together”, all closures are displayed. This is shown in FIG.

  Moreover, in the core wire connection diagram, the numbers of the core wires connected to each other in each relay facility are displayed side by side in the numerical order along the two opposite sides of the substantially rectangular shape representing each relay facility, and the core wires connected to each other are displayed. A pair of numbers is displayed by connecting a straight line perpendicular to the two sides, or a broken line combining a straight line perpendicular to the two sides and another straight line parallel to the two sides and a common straight line. It is also possible to display the number of the other partner's core wire on the bent portion. This is shown in FIG. In FIG. 28, the numbers with circles indicate the number of the other party's core wire. By doing in this way, since the number of lines showing the connection relation of the core wires can be displayed less than the actual number, the connection relation of the core wires in each relay facility can be easily seen. In addition, if the straight line common to the other pairs parallel to the two sides is a single straight line common to each pair parallel to the two sides, the connection relationship of the core wires in each relay facility is displayed. In this case, since the straight lines parallel to the two sides can be displayed together as one line, it is possible to make it easier to see.

  It should be noted that the coupler and the pattern of the optical fiber that is branched are also shown in FIG. As shown in FIG. 28, the coupler symbol is displayed at the top of the frame, and when there are a plurality of couplers, they are displayed side by side. Each coupler is automatically given a symbol such as “A” or “B”. In addition, even if there are multiple couplers, the line coming out of the coupler shall be two vertical lines (for the left side and the right side). The upper side core wire of the coupler will display “coupler symbol + upper”, and the lower side center of the coupler. “Coupler symbol + port number” is displayed on the line. By doing so, the width of the coupler display area can be fixed regardless of the number of couplers. Further, by displaying the coupler at the top of the frame, it is possible to prevent overlapping with other core wires.

=== Empty core search processing ===
Next, processing when the optical cable core management server 200 according to the present embodiment searches for an empty cable core in the optical cable network will be described with reference to FIGS. FIG. 37 is a flowchart showing the flow of a search process for an empty core wire.
The empty core line search is a process of searching for an empty core line route while sequentially checking the empty state of the optical cable from the start point to the end point. After the search is completed, a single line connection diagram from the start point to the end point can be displayed.

First, on the screen of the system diagram shown in FIG. 30, a connection point (first relay facility) that becomes the starting point of the route to be searched is selected by clicking (S2000). Then, select and click "Open empty core search" from the menu.
Then, the optical cable core management server 200 receives an input of search conditions as shown in FIG. 31 (S2010). Here, it is possible to select a cable to be searched, select whether to search in units of cores or tapes, and select whether to include a line to be abolished in the search target.

  When the search condition is entered and the “search” column is clicked, the optical cable core management server 200 is based on the information for specifying the relay facility into which the optical cable stored in the cable section name column of the core management database 660 is taken in. A second relay facility is obtained in which the other end of the optical cable in which one end is taken into the first relay facility. Then, the optical cable core management server 200, based on the information indicating the allocation status of the line to each core, stored in the empty status column of the core management database 660, Then, the optical cable connecting the first relay facility and the second relay facility is extracted including the unassigned core wire (S2020).

Then, as shown in FIG. 32, the optical cable core management server 200 illustrates a state in which the first relay facility and each extracted second relay facility are connected by an optical cable (S2030).
As a result, it is possible to search for a relay facility connected by an optical cable including a core wire for which no line is set. In addition, it is possible to facilitate route search work when setting a line and reduce the work load.

  Further, as shown in FIG. 33, by right-clicking and selecting one of the extracted icons indicating each second relay facility, and clicking “vacant core search” (S2040), an optical cable is obtained. The core management server 200 uses the relay facility specified by the icon as the first relay facility, performs the above-described processing, and receives the optical cable stored in the cable section name column of the core management database 660. The next second relay facility is obtained based on the information for identifying (S2020, S2030).

  FIG. 34 shows how the search results are illustrated. This process is repeated until the relay facility that is the end point is reached. When the end point is reached, as shown in FIG. 35, the “single cable connection diagram” column is clicked (S2050). Then, the optical cable core management server 200 displays a single cable connection diagram as shown in FIG. 36 (S2060).

  According to such an aspect, it is possible to sequentially search for a relay facility connected by an optical cable including a core wire to which no line is set. This makes it possible to improve the efficiency of the line setting work.

  Although the present embodiment has been described above, according to the present embodiment, it is possible to quickly and accurately maintain and manage the core wire in the optical cable network and reduce the work load. It is also possible to provide customers with high-quality communication lines. Also, by shortening the optical cable length per line, it becomes possible to provide the line to more customers. By improving the utilization efficiency of the optical cable network in this way, it is possible to reduce the cost.

  Although the best mode for carrying out the present invention has been described above, the above embodiment is intended to facilitate understanding of the present invention and is not intended to limit the present invention. The present invention can be changed and improved without departing from the gist thereof, and the present invention includes equivalents thereof.

It is a figure which shows the whole structure of the optical cable core management system which concerns on this Embodiment. It is a figure which shows the structure of the optical cable core management server which concerns on this Embodiment, and a user terminal. It is a figure which shows the structure of the memory | storage device of the optical cable core management server which concerns on this Embodiment. It is a figure which shows the structure of the memory | storage device of the user terminal which concerns on this Embodiment. It is a figure which shows the closure management database which concerns on this Embodiment. It is a figure which shows the station management database which concerns on this Embodiment. It is a figure which shows the customer management database which concerns on this Embodiment. It is a figure which shows the building management database which concerns on this Embodiment. It is a figure which shows the CTF / IDF management database which concerns on this Embodiment. It is a figure which shows the cable management database which concerns on this Embodiment. It is a figure which shows the core wire management database which concerns on this Embodiment. It is a figure which shows the core wire connection attribute management database which concerns on this Embodiment. It is a figure which shows the route search process which concerns on this Embodiment. It is a figure which shows the core wire connection diagram which concerns on this Embodiment. It is a figure which shows the condition input in the route search process which concerns on this Embodiment. It is a figure which shows the route list display in the route search process which concerns on this Embodiment. It is a figure which shows the emphasis display in the route search process which concerns on this Embodiment. It is a figure which shows the condition input in the case of the core wire connection diagram display which concerns on this Embodiment. It is a figure which shows the core wire connection diagram which concerns on this Embodiment. It is a figure which shows the closure summary display which concerns on this Embodiment. It is a figure which shows the closure summary display which concerns on this Embodiment. It is a figure which shows the cable frame line display which concerns on this Embodiment. It is a figure which shows the cable frame line display which concerns on this Embodiment. It is a figure which shows the other company reservation core line display which concerns on this Embodiment. It is a figure which shows the other company reservation core line display which concerns on this Embodiment. It is a figure which shows the line label display which concerns on this Embodiment. It is a figure which shows the line label display which concerns on this Embodiment. It is a figure which shows the core number display based on this Embodiment. It is a flowchart which shows the flow of the route search process which concerns on this Embodiment. It is a figure which shows the empty core line search process which concerns on this Embodiment. It is a figure which shows the condition input in the empty core line search process which concerns on this Embodiment. It is a figure which shows the empty core line search process which concerns on this Embodiment. It is a figure which shows the empty core line search process which concerns on this Embodiment. It is a figure which shows the empty core line search process which concerns on this Embodiment. It is a figure which shows the empty core line search process which concerns on this Embodiment. It is a figure which shows the cable single wire connection diagram in the empty core wire search process which concerns on this Embodiment. It is a flowchart which shows the flow of the empty core line search process which concerns on this Embodiment. It is a figure which shows the unit loss value list for every cable classification which concerns on this Embodiment. It is a figure which shows the loss addition table | surface which concerns on this Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 User terminal 200 Optical fiber cable management server 400 Recording medium 500 Network 600 Closure management database 610 Station management database 620 Customer management database 630 Building management database 640 CTF / IDF management database 650 Cable management database 651 List of unit loss values for each cable type 660 core management database 670 core connection attribute management database 700 user terminal control program 710 optical cable core management server control program 900 optical cable core management system

Claims (20)

An optical cable management database that stores, in association with each other, information for identifying an optical cable, information indicating the length of the optical cable, and information for specifying a relay facility into which the optical cable is taken in, for each optical cable constituting the optical cable network;
A first relay facility input unit that receives input of information specifying the first relay facility;
A second relay facility input unit that receives input of information specifying the second relay facility;
A route search unit for obtaining a route from the first relay facility to the second relay facility based on the information specifying the relay facility into which the optical cable is taken in;
Based on the information indicating the length of the optical cable, an optical cable length calculation unit that calculates, for each path, the sum of the lengths of the optical cables of the determined paths,
In a state sorted by the sum of the calculated lengths of optical cables, a search result output unit that outputs a list of information indicating each obtained route;
An information processing apparatus comprising: The search result output unit includes:
2. When outputting the list of information indicating the route, those with the same sum of the calculated lengths of the optical cables are output in a state sorted by the number of relay facilities on the route. The information processing apparatus described in 1. For each optical cable constituting the optical cable network, information specifying the optical cable, information indicating the type of the optical cable, information indicating the length of the optical cable, and information specifying the relay facility into which the optical cable is taken in are stored in association with each other. Optical cable management database
A line loss management database for storing information indicating the attenuation of light per unit length of the optical cable determined according to the type of the optical cable;
A light attenuation management database for storing information identifying each relay facility and information indicating the amount of light attenuation in each relay facility;
A first relay facility input unit that receives input of information specifying the first relay facility;
A second relay facility input unit that receives input of information specifying the second relay facility;
A route search unit for obtaining a route from the first relay facility to the second relay facility based on the information specifying the relay facility into which the optical cable is taken in;
Information indicating the length of the optical cable constituting each of the obtained routes, information indicating the type, information indicating the amount of attenuation of light per unit length, and light of each relay equipment constituting each route A light attenuation amount calculating unit that calculates a sum of light attenuation amounts for each of the paths based on the information indicating the attenuation amount;
A search result output unit that outputs a list of information indicating each obtained path in a state sorted by the sum of the calculated attenuation amounts of light,
An information processing apparatus comprising: The information indicating the amount of light attenuation at each relay facility stored in the light attenuation amount management database is the amount of light attenuation determined according to the connection method when connecting the optical fiber cores. It is the information shown for each core of the optical cable in the facility,
The sum of the light attenuation calculated for each path is information indicating the light attenuation corresponding to the most connection method of the cores in each of the obtained relay facilities on each path, and each path. 4. The information processing according to claim 3, wherein the information processing is calculated based on information indicating a length of an optical cable to be configured, information indicating a type, and information indicating an attenuation amount of light per unit length. apparatus. A route designation input unit for receiving input of information for designating at least one of a list of information indicating each of the outputted routes;
A path display unit for displaying an image showing a connection relation of each optical cable on the designated path by a drawing method different from other paths by a line drawing figure showing an optical cable and a figure showing a relay facility,
The information processing apparatus according to claim 1, further comprising: Information for specifying the relay equipment, information for specifying each core of each optical cable taken into the relay equipment, and information for specifying each core of the counterpart connected to each of the cores, for each relay equipment A core connection attribute management database for storing in association with
A route specification input unit for receiving input of information specifying at least one of a list of information indicating each of the output routes;
A core line display unit for displaying an image showing a connection relation of each core line on the designated route by a line drawing figure showing a core line of an optical cable and a figure showing a relay facility;
The information processing apparatus according to claim 1, further comprising: The cord display part
Among the relay facilities on the designated route, omitting the relay facility in which all the cores of each optical cable to be taken in are connected without being branched from the other core, on the designated route The information processing apparatus according to claim 6, wherein an image showing a connection relationship between the respective core wires is displayed. A core wire owner management database for storing information identifying each core wire of each optical cable and information identifying the owner of each core wire in association with each other;
With
The cord display part
The core wire of a predetermined owner is omitted from the core wires on the designated route, and an image showing the connection relationship of the core wires on the designated route is displayed. Item 7. The information processing device according to Item 6. The cord display part
Each relay facility on the designated route is represented by a substantially rectangular figure, and information specifying cores connected to each other in each relay facility is arranged in a predetermined order along two opposite sides of the substantially rectangular shape. And displaying a pair of information specifying the cores connected to each other, a straight line perpendicular to the two sides, or a straight line common to the straight line perpendicular to the two sides and another pair parallel to the two sides The information processing apparatus according to claim 6, wherein the information is connected and displayed by a broken line that is a combination of the two, and information that specifies each other's core wire is displayed in a bent portion of the broken line. The information processing apparatus according to claim 9, wherein the straight line common to the other pair parallel to the two sides is a single straight line common to each pair parallel to the two sides. In the optical cable management database,
Information for specifying each core wire bundle in which each core wire is bundled for each predetermined number in the optical cable, and information for specifying each core wire in each core wire bundle are stored in association with each optical cable,
The cord display part
The information processing apparatus according to claim 6, wherein an image showing a connection relation of each core bundle on the designated route is displayed by a line drawing figure showing a core bundle of optical cables and a figure showing a relay facility. For each optical cable that constitutes the optical cable network, information for identifying the optical cable, information for identifying the relay facility into which the optical cable is taken in, information for identifying each optical fiber in the optical cable, and the allocation status of the line to each optical fiber A core assignment management database for storing information to be associated with each other;
A relay facility input unit that receives input of information specifying the first relay facility;
A relay facility search unit for obtaining a second relay facility in which the other end of the optical cable in which one end is captured in the first relay facility is captured based on the information specifying the relay facility in which the optical cable is captured; ,
Based on the information indicating the allocation status of the line to each core, no line is connected to the optical cable connecting the first relay facility and the second relay facility among the obtained second relay facilities. A line unallocated relay facility extraction unit that extracts a line including an assigned core,
Line unallocated for displaying an image indicating that the first relay facility and each extracted second relay facility are connected by an optical cable by a line drawing diagram indicating an optical cable and a diagram indicating a relay facility A route display,
An information processing apparatus comprising: The line unallocated route display section
The number of cores in each optical cable connecting between the first relay facility and each extracted second relay facility and the number of unassigned cores are line drawing figures indicating the respective optical cables. The information processing apparatus according to claim 12, wherein the information processing apparatus is displayed in the vicinity. A relay facility continuation input unit that receives input of information specifying one of the extracted information indicating each second relay facility as input of information indicating the first relay facility;
The information processing apparatus according to claim 12, comprising: A method for controlling an information processing apparatus that stores information for specifying an optical cable, information indicating the length of the optical cable, and information for specifying a relay facility into which the optical cable is taken in association with each other for each optical cable constituting the optical cable network. There,
The information processing apparatus receives input of information specifying the first relay facility,
The information processing apparatus receives input of information specifying the second relay facility,
The information processing apparatus determines a route from the first relay facility to the second relay facility based on the information specifying the relay facility into which the optical cable is taken in,
Based on the information indicating the length of the optical cable, the information processing device calculates, for each path, the sum of the lengths of the optical cables of the determined paths,
The information processing apparatus outputs a list of information indicating each obtained route in a state where the information is sorted by the calculated length of the optical cable.
A method for controlling an information processing apparatus. For each optical cable constituting the optical cable network, information specifying the optical cable, information indicating the type of the optical cable, information indicating the length of the optical cable, and information specifying the relay facility into which the optical cable is taken in are stored in association with each other. Optical cable management database, a line loss management database that stores information indicating the amount of light attenuation per unit length of optical cable determined according to the type of optical cable, information that identifies each relay facility, and information for each relay facility An information processing apparatus control method comprising: a light attenuation management database that stores information indicating light attenuation in association with each other;
The information processing apparatus receives input of information specifying the first relay facility,
The information processing apparatus receives input of information specifying the second relay facility,
The information processing apparatus determines a route from the first relay facility to the second relay facility based on the information specifying the relay facility into which the optical cable is taken in,
The information processing apparatus has information indicating the length of the optical cable constituting each of the obtained paths, information indicating the type, information indicating the amount of attenuation of light per unit length, and Based on the information indicating the amount of light attenuation at the relay facility, for each path, calculate the sum of the amount of light attenuation,
The information processing apparatus outputs a list of information indicating each of the obtained paths in a state where the information is sorted by the calculated light attenuation sum.
A method for controlling an information processing apparatus. For each optical cable that constitutes the optical cable network, information for identifying the optical cable, information for identifying the relay facility into which the optical cable is taken in, information for identifying each optical fiber in the optical cable, and the allocation status of the line to each optical fiber And a method of controlling the information processing apparatus for storing the information shown in association with each other,
The information processing apparatus receives input of information specifying the first relay facility,
Based on the information that specifies the relay facility into which the optical cable is taken in, the information processing apparatus includes a second relay facility in which the other end of the optical cable into which one end is taken into the first relay facility. Seeking
Based on the information indicating the allocation status of the line to each core wire, the information processing apparatus includes the first relay equipment and the second relay equipment among the obtained second relay equipment. Extract the optical cable that contains the unassigned core wire,
An image showing that the information processing apparatus is connected to the first relay facility and each of the extracted second relay facilities by an optical cable by a line drawing diagram indicating an optical cable and a diagram indicating a relay facility. Display,
A method for controlling an information processing apparatus. For each optical cable that constitutes the optical cable network, information that identifies the optical cable, information that indicates the length of the optical cable, and information that identifies the relay facility into which the optical cable is taken in an information processing apparatus that stores the information in association with each other.
A procedure for receiving input of information for identifying the first relay facility;
A procedure for receiving input of information identifying the second relay facility;
A procedure for obtaining a route from the first relay facility to the second relay facility based on the information specifying the relay facility into which the optical cable is taken in;
Based on the information indicating the length of the optical cable, a procedure for calculating the sum of the lengths of the optical cables of the determined paths for each path;
A procedure for outputting a list of information indicating each obtained route in a state sorted by the sum of the calculated lengths of optical cables;
A program for running For each optical cable constituting the optical cable network, information specifying the optical cable, information indicating the type of the optical cable, information indicating the length of the optical cable, and information specifying the relay facility into which the optical cable is taken in are stored in association with each other. Optical cable management database, a line loss management database that stores information indicating the amount of light attenuation per unit length of optical cable determined according to the type of optical cable, information that identifies each relay facility, and information for each relay facility An information processing apparatus comprising: an optical attenuation management database that stores information indicating light attenuation in association with each other;
A procedure for receiving input of information for identifying the first relay facility;
A procedure for receiving input of information identifying the second relay facility;
A procedure for obtaining a route from the first relay facility to the second relay facility based on the information specifying the relay facility into which the optical cable is taken in;
Information indicating the length of the optical cable constituting each of the obtained routes, information indicating the type, information indicating the amount of attenuation of light per unit length, and light of each relay equipment constituting each route A procedure for calculating the sum of the attenuation of light for each of the paths based on the information indicating the attenuation;
A procedure for outputting a list of information indicating each obtained path in a state sorted by the sum of the calculated attenuation amounts of light,
A program for running For each optical cable that constitutes the optical cable network, information for identifying the optical cable, information for identifying the relay facility into which the optical cable is taken in, information for identifying each optical fiber in the optical cable, and the allocation status of the line to each optical fiber Information processing device that stores information associated with the
A procedure for receiving input of information for identifying the first relay facility;
Based on the information specifying the relay facility into which the optical cable is taken in, a procedure for obtaining the second relay facility into which the other end of the optical cable into which the first end is taken into the first relay facility;
Based on the information indicating the allocation status of the line to each core, no line is connected to the optical cable connecting the first relay facility and the second relay facility among the obtained second relay facilities. A procedure to extract the ones containing the core of the assignment;
A procedure for displaying an image indicating that the first relay facility and each of the extracted second relay facilities are connected by an optical cable by a line drawing diagram indicating an optical cable and a diagram indicating a relay facility,
A program for running