WO2023012898A1

WO2023012898A1 - Information processing system, information processing device and information processing method

Info

Publication number: WO2023012898A1
Application number: PCT/JP2021/028787
Authority: WO
Inventors: 賢白石
Original assignee: 日本電気株式会社
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2023-02-09

Abstract

For the purpose of suitably estimating a cause of failure in an optical fiber communication path, this information processing system comprises: an acquisition unit for acquiring monitor information; and an estimation unit for receiving the monitor information as an input and estimating a cause of failure in an optical fiber communication path on the basis of an estimation model which outputs information relating to the cause of failure in the optical fiber communication path.

Description

Information processing system, information processing device, and information processing method

The present invention relates to an information processing system, an information processing device, and an information processing method.

Conventionally, a technique for monitoring the state of a communication network and detecting anomalies in the communication network has been known. For example, in Patent Document 1, the time difference between the last access time and the last passing traffic generation time is obtained by multiplying the maximum value of the time difference between the last access time and the last passing traffic generation time that existed in the past by a coefficient that is a safety factor. A technique is disclosed for notifying a communication device that has exceeded a threshold.

Japanese Patent Application Laid-Open No. 2013-255000

In general, anomalies that occur in communication networks can have various causes. Therefore, even if the technique described in Patent Document 1 is used, a situation may arise in which the occurrence of an abnormality cannot be detected appropriately.

For example, signal interruptions that occur in optical fiber communication paths can be caused by a variety of factors, such as optical fiber deterioration, disconnection, and power on/off on the terminal device side. Therefore, even if the technique of Patent Document 1 is applied, it is difficult to preferably estimate the cause of the problem in the optical fiber communication path.

One aspect of the present invention has been made in view of the above problems, and an example of its purpose is to provide a technique capable of suitably estimating the cause of a problem in an optical fiber communication path.

An information processing system according to an aspect of the present invention includes acquisition means for acquiring first monitor information regarding an optical fiber communication path between a terminal device and a communication device; an estimating means for estimating the cause of failure in the optical fiber communication path based on an estimation model that outputs information about the cause of failure in the fiber communication path.

An information processing apparatus according to an aspect of the present invention includes acquisition means for acquiring first monitor information regarding an optical fiber communication path between a terminal device and a communication device; an estimating means for estimating the cause of failure in the optical fiber communication path based on an estimation model that outputs information about the cause of failure in the fiber communication path.

An information processing method according to an aspect of the present invention includes acquiring first monitor information regarding an optical fiber communication path between a terminal device and a communication device; estimating the cause of failure in the optical fiber communication path based on an estimation model that outputs information about the cause of failure in the communication path.

　According to one aspect of the present invention, it is possible to suitably estimate the cause of a problem in an optical fiber communication path.

1 is a block diagram showing the configuration of an information processing device according to exemplary Embodiment 1 of the present invention; FIG. 1 is a block diagram showing the configuration of an information processing device according to exemplary Embodiment 1 of the present invention; FIG. FIG. 3 is a flow chart showing the flow of an information processing method by the information processing device according to exemplary Embodiment 1 of the present invention; FIG. 3 is a flow chart showing the flow of an information processing method by the information processing device according to exemplary Embodiment 1 of the present invention; 1 is a block diagram showing the configuration of an information processing system according to exemplary Embodiment 1 of the present invention; FIG. 1 is a block diagram showing the configuration of an information processing system according to exemplary Embodiment 1 of the present invention; FIG. FIG. 4 is a block diagram showing the configuration of an information processing system according to exemplary embodiment 2 of the present invention; FIG. 11 is a sequence diagram showing the flow of the information processing method by the information processing system according to exemplary Embodiment 2 of the present invention; FIG. 10 is a block diagram showing the configuration of an information processing system according to exemplary Embodiment 3 of the present invention; FIG. 11 is a sequence diagram showing the flow of an information processing method by an information processing system according to exemplary Embodiment 3 of the present invention; FIG. 12 is a block diagram showing the configuration of an information processing system according to exemplary Embodiment 4 of the present invention; It is a figure which shows an example of the hardware of a computer.

[Exemplary embodiment 1]
A first exemplary embodiment of the invention will now be described in detail with reference to the drawings. This exemplary embodiment is the basis for the exemplary embodiments described later.

(Configuration of information processing device 1)
A configuration of an information processing apparatus 1 according to this exemplary embodiment will be described with reference to FIG. FIG. 1 is a block diagram showing the configuration of an information processing device 1. As shown in FIG. The information processing device 1 is a device for estimating the cause of a problem in an optical fiber communication path between a terminal device and a communication device. Here, the terminal device and the communication terminal are communicably connected via an optical fiber communication path. A terminal device is a device used by an end user, and an example thereof is an ONU (Optical Network Unit), but is not limited to this. A communication device is a device that monitors the state of an optical fiber communication path between terminal devices, but the communication device is not limited to equipment dedicated to monitoring. For example, the communication device may be a device that relays data from the terminal device to another device, and the communication device may have a function of monitoring the state of the optical fiber communication path between the terminal device and the terminal device. may

As shown in FIG. 1, the information processing device 1 includes an acquisition unit 12 and an estimation unit 13. The acquisition unit 12 is a configuration that implements acquisition means in this exemplary embodiment. The estimating unit 13 is a configuration that implements an estimating means in this exemplary embodiment.

The acquisition unit 12 acquires monitor information regarding the optical fiber communication path between the terminal device and the communication device. In this exemplary embodiment, as an example of information included in the monitor information related to the optical fiber communication path, information indicating the time period during which communication interruption occurs in the optical fiber communication path, the transmission power and the reception power in the optical fiber communication path power, and/or the number of packet errors in the optical fiber communication path and/or the packet error rate. However, this is not intended to limit this exemplary embodiment. For example, the information included in the monitor information about the optical fiber communication path includes a terminal identifier for identifying the terminal device from other terminal devices and the monitored time. Such information may also be included.

In this specification, the term "communication disconnection" refers to the disconnection of a transmitted or received optical signal in an optical fiber communication path. In case of communication interruption,
・Communication interruption due to deterioration or disconnection of optical fiber communication path, ・Communication interruption due to terminal equipment being turned off by the end user ・Communication interruption due to terminal equipment being turned off due to power failure, but these The examples do not limit this exemplary embodiment.

Also, in this specification, transmission power and reception power indicate optical transmission power and optical reception power in an optical fiber communication path, respectively. A packet error indicates an error that occurs in transmission or reception of a packet on an optical fiber communication path.

The estimating unit 13 estimates the cause of the problem in the optical fiber communication path. Specifically, the estimating unit 13 receives monitor information about the optical fiber communication channel and estimates the cause of the problem in the optical fiber communication channel based on an estimation model that outputs information about the cause of the problem in the optical fiber communication channel. do.

Here, as an example, the estimation model is learned using teacher data including one or more sets of monitor information and information about failures in the optical fiber communication path. In addition, as an example of the information related to the cause of the failure related to the optical fiber communication path, which is output by the estimation model,
・Type of failure in the optical fiber communication channel ・Probability (accuracy) of failure in the optical fiber communication channel
can be included, but are not limiting of this exemplary embodiment.

Also, as an example of the type of failure,
・Deterioration or disconnection of the optical fiber communication path ・Power OFF of the terminal device by the end user
・Turn off the terminal equipment due to a power outage
are not intended to limit this exemplary embodiment.

Also, as an example of the probability (accuracy) of failure,
・Probability of failure occurring in the optical fiber communication path ・Probability of occurrence of each type of failure in the optical fiber communication path described above ・Probability of power being turned off due to operation by the end user or power failure, but these are the exemplary implementation The form is not limited.

Although the specific configuration of the estimation model does not limit this exemplary embodiment, as an example, a CNN (Convolution Neural Network), RNN (Recurrent Neural Network), or a combination thereof can be used. Non-neural network models such as random forests and support vector machines may also be used.

Further, in this exemplary embodiment and exemplary embodiments described later, the monitor information (monitor information referred in the estimation phase) to be referred to for estimating the cause of failure in the optical fiber communication path by the estimation model is set to the first and the monitor information referred to for learning the estimation model (monitor information referred to in the learning phase) may be referred to as second monitor information. The first monitor information may be used as the second monitor information.

As described above, in the information processing apparatus 1 according to the present exemplary embodiment, the monitor information regarding the optical fiber communication path between the terminal device and the communication device is input, and the information regarding the cause of the failure in the optical fiber communication path is obtained. A configuration for estimating the cause of failure in the optical fiber communication path based on the output estimation model is adopted. As described above, in the information processing apparatus 1 according to the present exemplary embodiment, the acquired monitor information is input to the estimation model, and the estimation model estimates the cause of the failure in the optical fiber communication path. It is possible to suitably estimate the factor of the defect in.

For example, communication interruptions in optical fiber communication paths occur even when the terminal device is turned off by the end user. On the other hand, when a communication interruption occurs due to deterioration or disconnection of an optical fiber communication path, there is a tendency for the transmission power and reception power in the optical fiber communication path to decrease or the number of packet errors to increase before the communication interruption occurs. .

The information processing device 1 estimates the cause of the problem in the optical fiber communication path after considering the state of the optical fiber communication path before the communication interruption of the optical fiber communication path. Therefore, the information processing apparatus 1 determines whether the cause of the problem is an intentional action on the end user's side (turning off the power of the terminal device), a failure in the optical fiber communication path, a failure on the end user's side, or an intentional It is estimated whether it is a significant event. Therefore, the information processing device 1 can preferably estimate the cause of the problem in the optical fiber communication path.

(Configuration of information processing device 2)
The configuration of the information processing device 2 according to this exemplary embodiment will be described with reference to FIG. FIG. 2 is a block diagram showing the configuration of the information processing device 2. As shown in FIG.

As shown in FIG. 2, the information processing device 2 includes an acquisition unit 22 and a learning unit 23. The acquisition unit 22 is a configuration that implements acquisition means in this exemplary embodiment. The learning unit 23 is a configuration that implements learning means in this exemplary embodiment.

The acquisition unit 22 acquires teacher data that includes a set of monitor information (second monitor information) on the optical fiber communication channel and information on failures in the optical fiber communication channel.

The learning unit 23 receives monitor information about the optical fiber communication channel and learns an estimation model that outputs information about the causes of defects in the optical fiber communication channel by referring to the teacher data acquired by the acquiring unit 22 .

Here, in this exemplary embodiment and exemplary embodiments described later, the expression "learning the estimation model" may be expressed as "training the learning model" or "learning the estimation model." .

Further, the learning unit 23 may be configured to learn the monitor information and the pattern of the cause of the problem. In this case, examples of training data used include monitor information near the time when communication interruption occurred in the optical fiber communication path (for example, from 24 hours before the time when the failure occurred until the time when the failure occurred), and the investigation result of the communication interruption (optical fiber channel failure factors). However, this is not a limitation of this exemplary embodiment.

Also, the learning unit 23 may be configured to learn the range of monitor information when a problem due to a certain factor occurs. In this case, as an example of the training data used, if the monitor information includes the transmission power and reception power in the optical fiber communication path or the number of packet errors in the optical fiber communication path, One or more sets of transmit power and receive power or the range of packet error counts and the failure of that certain factor. However, this is not a limitation of this exemplary embodiment.

As described above, in the information processing apparatus 2 according to this exemplary embodiment, referring to the teacher data including the set of the monitor information about the optical fiber communication path and the information about the trouble in the optical fiber communication path, the optical fiber A configuration is adopted that learns an estimation model that outputs information about the cause of failure in the communication channel. As described above, in the information processing apparatus 2 according to the present exemplary embodiment, the estimation model is learned as teacher data including a set of monitor information and information about failures in the optical fiber communication path. It is possible to suitably estimate the cause of the defect.

The information processing device 2 refers to teacher data including a set of monitor information about the optical fiber communication channel and information about the problem in the optical fiber communication channel, and an estimation model that outputs information about the cause of the problem in the optical fiber communication channel. learn. Therefore, the information processing apparatus 2 determines whether the cause of the problem is an intentional action on the end user side (turning off the power of the terminal device), a failure in the optical fiber communication path, a failure on the end user side, or an intentional It is estimated whether it is a significant event. Therefore, the information processing device 2 can preferably estimate the cause of the problem in the optical fiber communication path.

(Flow of information processing method S1)
The information processing method S1 according to this exemplary embodiment will be described with reference to FIG. FIG. 3 is a flowchart showing the flow of the information processing method S1 by the information processing device 1. As shown in FIG.

(Step S12)
In step S12, the acquisition unit 12 acquires monitor information regarding the optical fiber communication path between the terminal device and the communication device.

(Step S13)
Subsequently, in step S13, the estimating unit 13 inputs the monitor information about the optical fiber communication path, and based on the estimation model that outputs the information about the cause of the problem in the optical fiber communication path, determines the failure of the optical fiber communication path. Estimate the factors.

As described above, in the information processing method S1 according to the present exemplary embodiment, monitor information on the optical fiber communication path between the terminal device and the communication device is input, and information on the cause of the failure in the optical fiber communication path is input. A configuration for estimating the cause of failure in the optical fiber communication path based on the output estimation model is adopted. Therefore, according to the information processing method S1 according to this exemplary embodiment, the same effects as the information processing apparatus 1 can be obtained.

(Flow of information processing method S2)
The information processing method S2 according to this exemplary embodiment will be described with reference to FIG. FIG. 4 is a flowchart showing the flow of the information processing method S2 by the information processing device 2. As shown in FIG.

(Step S22)
In step S22, the acquisition unit 22 acquires teacher data including a set of monitor information on the optical fiber communication channel and information on the defect in the optical fiber communication channel.

(Step S23)
In step S23, the learning unit 23 receives monitor information about the optical fiber communication channel, and refers to the teacher data acquired by the acquisition unit 22 in step S22 for an estimation model that outputs information about the cause of failure in the optical fiber communication channel. and learn.

As described above, in the information processing method S2 according to the present exemplary embodiment, the optical fiber A configuration is adopted that learns an estimation model that outputs information about the cause of failure in the communication channel. Therefore, according to the information processing method S2 according to this exemplary embodiment, the same effects as those of the information processing apparatus 2 can be obtained.

(Configuration of information processing system 100)
The configuration of the information processing system 100 according to this exemplary embodiment will be described with reference to FIG. FIG. 5 is a block diagram showing the configuration of the information processing system 100. As shown in FIG.

As shown in FIG. 5, the information processing system 100 includes an acquisition unit 12 and an estimation unit 13. The obtaining unit 12 and the estimating unit 13 are configured to implement obtaining means and estimating means, respectively, in this exemplary embodiment.

The acquisition unit 12 acquires monitor information regarding the optical fiber communication path.

The estimating unit 13 receives monitor information about the optical fiber communication channel and estimates the cause of the problem in the optical fiber communication channel based on an estimation model that outputs information about the cause of the problem in the optical fiber communication channel.

As described above, in the information processing system 100 according to the present exemplary embodiment, based on an estimation model that inputs monitor information and outputs information about the cause of the defect in the optical fiber communication path, A configuration for estimating the factors of Therefore, in the information processing system 100 according to this exemplary embodiment, the acquired monitor information is input to the estimation model, and the estimation model estimates the cause of the failure in the optical fiber communication channel. can be suitably estimated.

(Configuration of information processing system 200)
The configuration of an information processing system 200 according to this exemplary embodiment will be described with reference to FIG. FIG. 6 is a block diagram showing the configuration of the information processing system 200. As shown in FIG.

As shown in FIG. 6, the information processing system 200 includes an acquisition unit 22 and a learning unit 23. The acquisition unit 22 and the learning unit 23 are configured to implement acquisition means and learning means, respectively, in this exemplary embodiment.

The acquisition unit 22 acquires teacher data that includes a set of monitor information on the optical fiber communication channel and information on failures in the optical fiber communication channel.

The learning unit 23 learns an estimation model that receives monitor information about the optical fiber communication channel and outputs information about the cause of the defect in the optical fiber communication channel by referring to the teacher data acquired by the acquisition means.

As described above, in the information processing system 100 according to this exemplary embodiment, monitor information relating to optical fiber communication paths is provided, and a combination of monitor information relating to optical fiber communication paths and information relating to defects in optical fiber communication paths is provided. Get teacher data containing Then, the information processing system 100 adopts a configuration in which monitor information about the optical fiber communication path is input, and an estimation model that outputs information about the cause of failure in the optical fiber communication path is learned by referring to the acquired teacher data. ing. Therefore, in the information processing system 100 according to the present exemplary embodiment, an estimation model is learned as teacher data including a set of monitor information and information about failures in the optical fiber communication path. Factors can be estimated favorably.

[Exemplary embodiment 2]
A second exemplary embodiment of the invention will now be described in detail with reference to the drawings. Components having the same functions as the components described in the exemplary embodiment 1 are denoted by the same reference numerals, and descriptions thereof are omitted as appropriate.

(Configuration of information processing system 100A)
FIG. 7 is a block diagram showing the configuration of an information processing system 100A according to Exemplary Embodiment 2 of the present invention. As shown in FIG. 7, the information processing system 100A includes an information processing device 1A, a communication device 50, an input/output device 60, a first terminal device 70-1, and a second terminal device 70-2.

The communication device 50, the first terminal device 70-1 and the second terminal device 70-2 are communicably connected to each other via the optical fiber communication path F1 and the optical fiber communication path F2, respectively.

In addition, the information processing device 1A, the communication device 50, and the input/output device 60 are connected via the network N so as to be able to communicate with each other.

The specific configuration of the network N does not limit this embodiment, but as an example, a wireless LAN (Local Area Network), a wired LAN, a WAN (Wide Area Network), a public line network, a mobile data communication network, or A combination of these networks can be used.

The information processing system 100A obtains information about the causes of failures in the optical fiber communication paths F1 and F2 between the first terminal device 70-1 and the second terminal device 70-2 and the communication device 50, respectively. It is estimated in the processing device 1A. Further, the information processing system 100A presents the estimation result estimated by the information processing device 1A on the input/output device 60. FIG. For example, the terminal device 70-1 and the terminal device 70-2 are devices used by end users, and the communication device 50 is an optical fiber communication path F1 and an optical fiber communication path F1 between the terminal device 70-1 and the terminal device 70-2. It is a device for monitoring the state of the communication path F2, and the input/output device 60 is a device used by a maintenance worker for the optical fiber communication paths F1 and F2.

In the example shown in FIG. 7, two terminal devices, the first terminal device 70-1 and the second terminal device 70-2, are illustrated, but this does not limit the present embodiment. , the information processing system 100A can be configured to include any number of terminal devices. In addition, in this exemplary embodiment, these terminal devices have the same main configuration as each other. Also, when referring to either the first terminal device 70-1 or the second terminal device 70-2, the terminal device 70 is simply referred to. Similarly, the optical fiber communication path F1 and the optical fiber communication path F2 are simply referred to as an optical fiber communication path F when referring to any one of them.

(Configuration of communication device 50)
As shown in FIG. 7 , the communication device 50 includes a control section 51 , a first communication section 52 and a second communication section 53 .

The first communication unit 52 is a communication module for performing communication via the network N. The first communication unit 52 outputs the data acquired from the control unit 51 to the information processing device 1A via the network N.

The second communication unit 53 is a communication module for communicating with the terminal device 70. The second communication unit 53 outputs data acquired from the terminal device 70 via the optical fiber communication path F to the control unit 51 .

(control unit 51)
The control unit 51 controls each component of the communication device 50 by executing a program stored in a memory (eg, RAM, ROM, etc.) by one or more processors (eg, CPU, etc.), for example.

The control unit 51 also functions as a monitor information acquisition unit 511 and a provision unit 21, as shown in FIG.

The monitor information acquisition unit 511 monitors communication with the terminal device 70 via the second communication unit 53 and acquires monitor information.

As an example of information included in the monitor information in this exemplary embodiment,
A terminal identifier for distinguishing the terminal device 70 from other terminals Transmission power and reception power in the optical fiber communication path F Number of packet errors in the optical fiber communication path F Transmission power and reception power, and the packet error number of times information is acquired, but this is not a limitation of this exemplary embodiment.

The provision unit 21 provides the monitor information acquired by the monitor information acquisition unit 511 to the information processing apparatus 1A via the first communication unit 52. Further, the providing unit 21 determines whether or not the acquired monitor information indicates that the communication disconnection of the optical fiber communication path F has occurred. For example, the providing unit 21 may be configured to determine whether or not the monitor information includes a LOS (Loss of Signal) signal. When it is determined that the communication interruption of the optical fiber communication path F has occurred, the provision unit 21 transmits event information indicating that the communication interruption of the optical fiber communication path F has occurred via the first communication unit 52. It is provided to the processing device 1A.

The event information may be information indicating an event other than the communication interruption of the optical fiber communication path F. FIG. Another example of an event is
- the value of the transmitted power and the received power in the optical fiber channel F is less than a predetermined value; and - the value of the number of packet errors is greater than a predetermined value, which limits this exemplary embodiment. not a thing

In addition to the information indicating the event, the information included in the event information includes:
- A terminal identifier for identifying the terminal device 70 from other terminals - The time when the event occurred may be included. However, this is not a limitation of this exemplary embodiment.

(Configuration of information processing device 1A)
As shown in FIG. 7, the information processing apparatus 1A includes a control section 10A, a storage section 18A, and a communication section 19. As shown in FIG. The storage unit 18A is a configuration that implements storage means in this exemplary embodiment.

The storage unit 18A is a memory that stores monitor information MI1 and model parameters MP that are referenced by the control unit 10A. The storage unit 18A is realized by, for example, EPROM, EEPROM (registered trademark), HDD, flash memory, etc., which are rewritable nonvolatile memories.

The monitor information MI1 is accumulated monitor information provided from the communication device 50 . Note that the monitor information MI1 is also referred to as the first monitor information MI1 because it is monitor information that is referred to for estimating the cause of the failure in the optical fiber communication path F using the estimation model.

A model parameter MP is a parameter that defines an estimation model. The estimation model receives the monitor information extracted from the monitor information MI1 and outputs information about the cause of the failure in the optical fiber communication path.

Although the specific configuration of the estimation model does not limit this exemplary embodiment, as an example, CNN, RNN, or a combination thereof can be used. Non-neural network models such as random forests and support vector machines may also be used.

The communication unit 19 is a communication module for performing communication via the network N. The communication unit 19 outputs data acquired through the network N to the control unit 10A, and outputs data acquired from the control unit 10A through the network N.

(Control section 10A)
In the control unit 10A, for example, one or more processors (such as a CPU (Central Processing Unit)) execute a program stored in a memory (such as a RAM (random access memory) or a ROM (read only memory)). Thereby, each component of the information processing apparatus 1A is controlled.

The control unit 10A also functions as an acquisition unit 12, an estimation unit 13, an accumulation unit 14, an extraction unit 15, and an output unit 17, as shown in FIG. The obtaining unit 12, the estimating unit 13, the extracting unit 15, and the output unit 17 are configured to implement obtaining means, estimating means, extracting means, and output means, respectively, in this exemplary embodiment.

The acquisition unit 12 acquires monitor information about the optical fiber communication path F from the communication device 50 via the communication unit 19 . The acquisition unit 12 outputs the acquired monitor information to the accumulation unit 14 . The acquisition unit 12 also acquires event information output from the communication device 50 via the communication unit 19 . The acquisition unit 12 outputs the acquired event information to the extraction unit 15 .

The estimating unit 13 inputs the monitor information extracted by the extracting unit 15 to the estimation model in response to the occurrence of communication interruption in the optical fiber communication channel F, thereby identifying the cause of the failure in the optical fiber communication channel F. presume. In this exemplary embodiment, the estimating unit 13 estimates the cause of the problem in the optical fiber communication path F according to the occurrence of communication interruption in the optical fiber communication path F, but this is an example, and the above-described other Any configuration may be used as long as the cause of the failure in the optical fiber communication path F is estimated in accordance with the occurrence of an event. The estimation unit 13 generates an estimation result and outputs it to the output unit 17 .

As information included in the estimation result generated by the estimation unit 13,
・Possibility (accuracy) that the communication interruption was caused by the failure of the optical fiber communication path
・Priority of maintenance work ・Information indicating recommended maintenance work for the optical fiber communication path F ・Presumed cause of failure (for example, deterioration of the optical fiber communication path, disconnection, power off of the terminal device 70, etc.)
is not intended to limit this exemplary embodiment.

In this way, the estimating unit 13 estimates the cause of the failure in the optical fiber communication path F according to the occurrence of the communication interruption in the optical fiber communication path F. In this case, it is possible to preferably estimate the cause of the problem in the optical fiber communication path.

The accumulation unit 14 accumulates the monitor information acquired by the acquisition unit 12 in the storage unit 18A.

The extraction unit 15 refers to the event information output from the acquisition unit 12, and when the event information indicates a communication interruption of the optical fiber communication path F, the extraction unit 15 extracts monitor information regarding the communication interruption in response to the occurrence of the communication interruption. It is extracted from the monitor information MI1 in the storage unit 18A.

Note that the extraction unit 15 refers to the event information output from the acquisition unit 12, and when the event information indicates a communication disconnection of the optical fiber communication path F, the communication disconnection occurs according to the occurrence of the communication disconnection. The configuration may be such that the monitor information related to the communication disconnection according to the timing of is extracted from the monitor information MI1 of the storage unit 18A. Further, the monitor information related to the communication interruption according to the timing of the occurrence of the communication interruption may be monitor information for a predetermined period according to the timing of the occurrence of the communication interruption. Examples of monitor information in a predetermined period corresponding to the timing of event occurrence include monitor information in the period from the time of event occurrence to 10 minutes before, monitor information in the period from the time of event occurrence to 1 hour before, and the like. This is not a limitation of this exemplary embodiment.

The output unit 17 acquires the estimation result generated by the estimation unit 13 and outputs the estimation result to the input/output device 60 via the communication unit 19 .

(Configuration of input/output device 60)
As shown in FIG. 7 , the input/output device 60 includes a presentation section 61 and an operation reception section 62 .

The presentation unit 61 acquires the estimation result output from the information processing device 1A. The presentation unit 61 acquires operation information, which will be described later, from the operation reception unit 62, and presents the acquired estimation result when the operation information indicates an operation for displaying the estimation result. The presentation unit 61 has a display panel as an example, and presents the estimation result by displaying the estimation result on the display panel.

The operation reception unit 62 receives operations from the user. As an example of the operation reception unit 62, it may be configured to include a touch panel superimposed on the display panel of the presentation unit 61, but this does not limit the exemplary embodiment. The operation accepting portion 62 outputs operation information indicating the operation accepted from the user to the presenting portion 61 .

(Flow of information processing method S100A)
An information processing method S100A according to this exemplary embodiment will be described with reference to FIG. FIG. 8 is a sequence diagram showing the flow of the information processing method S100A by the information processing system 100A.

(Step S102)
In step S102, the monitor information acquisition unit 511 of the communication device 50 acquires monitor information.

(Step S103)
In step S103 , the provision unit 21 provides the monitor information acquired by the monitor information acquisition unit 511 to the information processing apparatus 1A via the first communication unit 52 .

(Step S104)
In step S104 , the acquisition unit 12 of the information processing device 1A acquires monitor information provided from the communication device 50 via the communication unit 19 .

(Step S105)
In step S105, the accumulation unit 14 accumulates the monitor information acquired by the acquisition unit 12 in step S104 in the storage unit 18A. The storage unit 18A stores monitor information.

(Step S106)
In step S106, the monitor information acquisition unit 511 refers to the acquired monitor information and determines whether or not communication interruption of the optical fiber communication path F has occurred. If it is determined that the communication disconnection of the optical fiber communication path F has not occurred, the processing of the communication device 50 returns to step S102.

(Step S107)
If it is determined in step S106 that the communication interruption of the optical fiber communication path F has occurred, the providing unit 21 sends an event indicating that the communication interruption of the optical fiber communication path F has occurred via the first communication unit 52. provide information.

(Step S108)
In step S108 , the acquisition unit 12 of the information processing device 1A acquires the event information supplied from the communication device 50 via the communication unit 19 .

(Step S109)
In step S109, the extraction unit 15 refers to the event information acquired by the acquisition unit 12, and if the event information indicates communication interruption, the extraction unit 15 stores monitor information about the communication interruption in response to the occurrence of the communication interruption. is extracted from the monitor information MI1 accumulated in the .

(Step S110)
In step S110 , the estimation unit 13 inputs the extracted monitor information to the estimation model, and estimates the cause of the failure caused by the communication interruption in the optical fiber communication path F. In other words, the estimating unit 13 estimates the cause of the failure in the optical fiber communication path F by referring to the monitor information regarding the communication interruption in response to the occurrence of the communication interruption in the optical fiber communication path F.

(Step S111)
In step S111 , the estimation unit 13 provides the estimation result estimated in step S110 to the output unit 17 . The output unit 17 outputs the estimation result to the input/output device 60 via the communication unit 19 .

(Step S112)
In step S112, the presentation unit 61 of the input/output device 60 acquires the estimation result provided by the information processing device 1A in step S111.

(Step S113)
In step S113, the presentation unit 61 displays the estimation result. With this configuration, the input/output device 60 presents to the maintenance worker using the input/output device 60 information indicating the priority of maintenance work included in the estimation result and the maintenance work recommended for the optical fiber communication path F. be able to.

Thus, in the information processing system 100A, monitor information provided from the communication device 50 is accumulated in the storage unit 18A as monitor information MI1. Then, in the information processing system 100A, in response to the occurrence of the communication disconnection of the optical fiber communication channel F, the cause of the failure in the optical fiber communication channel F is estimated by referring to the monitor information regarding the communication disconnection.

A communication disconnection of the optical fiber communication path F occurs even when the terminal device 70 is turned off by the end user. On the other hand, when a communication interruption occurs due to degradation or disconnection of the optical fiber communication path F, there is a tendency for the transmission power and reception power in the optical fiber communication path F to decrease or the number of packet errors to increase before the communication interruption occurs. There is

In the information processing system 100A, after considering the state of the optical fiber communication path F before the communication interruption of the optical fiber communication path F, the cause of the failure in the optical fiber communication path F is estimated. It is possible to suitably estimate the cause of the defect.

[Exemplary embodiment 3]
A third exemplary embodiment of the invention will now be described in detail with reference to the drawings. Components having the same functions as those described in exemplary embodiments 1 and 2 are denoted by the same reference numerals, and description thereof will be omitted as appropriate.

(Configuration of information processing system 100B)
FIG. 9 is a block diagram showing the configuration of an information processing system 100B according to Exemplary Embodiment 3 of the present invention. As shown in FIG. 9, the information processing system 100B is configured to include an information processing device 1B instead of the information processing device 1A in the information processing system 100A described above.

The information processing system 100B learns an estimation model by referring to teacher data including a set of monitor information on the optical fiber communication channel F and information on defects in the optical fiber communication channel F.

(Configuration of input/output device 60)
The input/output device 60 includes a presentation unit 61 and an operation reception unit 62, as shown in FIG. Note that the presentation unit 61 is as described above.

The operation accepting unit 62 accepts an operation of inputting the following information regarding the problem from the user (maintenance company).
- A terminal identifier for distinguishing the terminal device 70 from other terminals - Time of failure occurrence in the optical fiber communication path F - Type of failure The defect information included is output via the network N to the information processing device 1B.

(Configuration of information processing device 1B)
The information processing apparatus 1B includes a control section 10B, a storage section 18B, and a communication section 19, as shown in FIG. Note that the communication unit 19 is as described above.

The storage unit 18B is a memory that stores model parameters MP, monitor information MI2, and defect information EI that are referred to by the control unit 10B. The storage unit 62 is realized by EPROM, EEPROM, HDD, flash memory, etc., which are rewritable non-volatile memories, for example. The model parameter MP is as described above.

The monitor information MI2 is, of the monitor information provided from the communication device 50, stored in association with the defect information EI, which will be described later. Note that the monitor information MI2 is also referred to as second monitor information MI2 because it is monitor information that is referred to for learning the estimation model.

The defect information EI is defect information provided from the input/output device 60 and stored in association with the monitor information MI2.

The details of the process of associating the monitor information MI2 and the defect information EI will be described later.

(control unit 10B)
The control unit 10B controls each component of the information processing apparatus 1B by executing a program stored in a memory (eg, RAM, ROM, etc.) by one or more processors (eg, CPU, etc.), for example.

The control unit 10B also functions as an acquisition unit 12 and a learning unit 16, as shown in FIG. The acquisition unit 12 and the learning unit 16 are configured to implement acquisition means and learning means, respectively, in this exemplary embodiment.

The acquisition unit 12 acquires monitor information about the optical fiber communication path F from the communication device 50 via the communication unit 19 . In addition, the acquisition unit 12 acquires defect information regarding a defect in the optical fiber communication path F from the input/output device 60 via the communication unit 19 . Further, the acquisition unit 12 associates the defect information EI with the monitor information MI2 and stores them in the storage unit 18B.

A process of associating the monitor information MI2 and the defect information EI by the acquisition unit 12 will be described.

When the trouble information is acquired, the acquisition unit 12 extracts monitor information having the same terminal identifier as the terminal identifier included in the trouble information. Further, the acquisition unit 12 sets a period from the time of occurrence of the problem indicated by the problem information to a predetermined time (for example, from 24 hours before the time of occurrence of the problem to the time of occurrence of the problem). The acquisition unit 12 extracts, from the extracted monitor information, monitor information in which the time at which the information on the transmission power, the reception power, and the number of packet errors included in the extracted monitor information is acquired is included in a set period. The acquisition unit 12 associates the defect information EI with the extracted monitor information MI2 and stores them in the storage unit 18B. In other words, when a problem occurs in the optical fiber communication path F, the acquisition unit 12 acquires information on the transmission power, the reception power, and the number of packet errors during a period from the time when the problem occurred to a predetermined time before, and the information on the number of packet errors. Associate with. A set of associated monitor information MI2 and defect information EI is referred to as teacher data.

The learning unit 16 learns the estimation model by referring to the teacher data. As an example, the learning unit 16 repeatedly updates the model parameters of the estimation model by repeatedly executing the learning step using the teacher data. Then, the learning unit 16 stores the model parameters MP defining the estimated model after learning in the storage unit 18B.

(Flow of information processing method S100B)
An information processing method S100B according to this exemplary embodiment will be described with reference to FIG. FIG. 10 is a sequence diagram showing the flow of the information processing method S100B by the information processing system 100B.

(Step S103)
In step S103 , the provision unit 21 provides the monitor information acquired by the monitor information acquisition unit 511 to the information processing apparatus 1B via the first communication unit 52 .

(Step S104)
In step S104 , the acquisition unit 12 of the information processing device 1B acquires monitor information provided from the communication device 50 via the communication unit 19 .

(Step S122)
In step S122, upon receiving an operation to input information included in the defect information, the operation receiving unit 62 of the input/output device 60 provides the defect information including the input information to the information processing apparatus 1B via the network N. do.

(Step S123)
In step S123 , the acquisition unit 12 of the information processing device 1B acquires the defect information provided from the input/output device 60 via the communication unit 19 .

(Step S124)
In step S124, the acquisition unit 12 refers to the acquired defect information and extracts monitor information. Since the method of extracting the monitor information has been described above, the explanation is omitted here.

(Step S125)
The acquisition unit 12 associates the defect information EI acquired in step S123 with the monitor information MI2 extracted in step S123 to generate teacher data. The learning unit 16 acquires the generated teacher data.

(Step S126)
The learning unit 16 learns the estimation model by referring to the acquired teacher data.

(Step S127)
The learning unit 16 stores the model parameters MP that define the estimated model after learning in the storage unit 18B.

Thus, in the information processing system 100B, an estimation model is learned using the associated defect information EI and monitor information MI2 as training data. Therefore, in the information processing system 100B, since the estimation model is learned by associating the failure with the state of the optical fiber communication path F before the failure occurs, the cause of the failure in the optical fiber communication path F can be estimated appropriately. can do.

[Exemplary embodiment 4]
A fourth exemplary embodiment of the invention will now be described in detail with reference to the drawings. Components having the same functions as those described in Embodiments 1 to 3 are denoted by the same reference numerals, and description thereof will be omitted as appropriate.

(Configuration of information processing system 100C)
FIG. 11 is a block diagram showing the configuration of an information processing system 100C according to Exemplary Embodiment 4 of the present invention. As shown in FIG. 11, an information processing system 100C is configured to include an information processing device 1C instead of the information processing device 1A in the information processing system 100A described above.

The information processing system 100C is a system having the functions of both the information processing system 100A in the second exemplary embodiment and the information processing system 100B in the third exemplary embodiment.

(Information processing device 1C)
The information processing apparatus 1C includes a control section 10C, a storage section 18C, and a communication section 19, as shown in FIG. The communication unit 19 is as described above.

The storage unit 18C stores the above-described monitor information MI1, model parameters MP, and associated monitor information MI2 and defect information EI.

(control unit 10C)
The control unit 10C controls each component of the information processing apparatus 1C by executing a program stored in a memory (eg, RAM, ROM, etc.) by one or more processors (eg, CPU, etc.), for example.

The control unit 10C includes an acquisition unit 12, an estimation unit 13, an accumulation unit 14, an extraction unit 15, a learning unit 16, and an output unit 17, as shown in FIG.

The acquisition unit 12 has the functions of both the acquisition unit 12 in the information processing device 1A and the acquisition unit 12 in the information processing device 1B.

The estimation unit 13, storage unit 14, extraction unit 15, and output unit 17 have the same functions as the estimation unit 13, storage unit 14, extraction unit 15, and output unit 17 in the information processing device 1A.

The learning unit 16 has the same function as the learning unit 16 in the information processing device 1B.

(Flow of information processing method)
An information processing method according to this exemplary embodiment will be described.

As described above, the information processing system 100C is a system having the functions of both the information processing system 100A in the second exemplary embodiment and the information processing system 100B in the third exemplary embodiment. In other words, the information processing system 100C executes the processing of the information processing system 100A and the processing of the information processing system 100B.

Specifically, the information processing system 100C executes the processing from step S102 to step S113 in the information processing method S100A shown in FIG.

Next, the information processing system 100C executes the processing from step S122 to step S127 in the information processing method S100B shown in FIG.

That is, in the information processing system 100C, the information processing device 1C acquires the monitor information acquired and provided by the communication device 50, and the storage unit 18C stores the monitor information. Then, when the communication device 50 provides the event information, the information processing device 1C estimates the cause of the communication disconnection failure of the optical fiber communication path F, and the input/output device 60 displays the estimation result.

Next, when the input/output device 60 provides the defect information, the learning unit 16 of the information processing device 1C learns the estimation model based on the monitor information and the defect information, and stores the model parameters MP in the storage unit 18C. do.

In this way, in the information processing system 100C, the model parameter MP of the estimation model is sequentially updated, and the cause of the communication interruption of the optical fiber communication channel F is estimated. can do.

[Example of realization by software]
Some or all of the functions of the

information processing devices

1, 1A, 1B, 1C, and 2 and the communication device 50 may be realized by hardware such as integrated circuits (IC chips) or by software. good.

In the latter case, the

information processing devices

1, 1A, 1B, 1C, and 2 and the communication device 50 are implemented, for example, by a computer that executes program instructions, which are software that implements each function. An example of such a computer (hereinafter referred to as computer C) is shown in FIG. Computer C comprises at least one processor C1 and at least one memory C2. A program P for operating the computer C as the

information processing devices

1, 1A, 1B, 1C, 2 and the communication device 50 is recorded in the memory C2. In the computer C, the processor C1 reads the program P from the memory C2 and executes it, thereby implementing the functions of the

information processing devices

1, 1A, 1B, 1C, 2 and the communication device 50. FIG.

As the processor C1, for example, CPU (Central Processing Unit), GPU (Graphic Processing Unit), DSP (Digital Signal Processor), MPU (Micro Processing Unit), FPU (Floating point number Processing Unit), PPU (Physics Processing Unit) , a microcontroller, or a combination thereof. As the memory C2, for example, a flash memory, HDD (Hard Disk Drive), SSD (Solid State Drive), or a combination thereof can be used.

Note that the computer C may further include a RAM (Random Access Memory) for expanding the program P during execution and temporarily storing various data. Computer C may further include a communication interface for sending and receiving data to and from other devices. Computer C may further include an input/output interface for connecting input/output devices such as a keyboard, mouse, display, and printer.

In addition, the program P can be recorded on a non-temporary tangible recording medium M that is readable by the computer C. As such a recording medium M, for example, a tape, disk, card, semiconductor memory, programmable logic circuit, or the like can be used. The computer C can acquire the program P via such a recording medium M. Also, the program P can be transmitted via a transmission medium. As such a transmission medium, for example, a communication network or broadcast waves can be used. Computer C can also acquire program P via such a transmission medium.

[Appendix 1]
The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the claims. For example, embodiments obtained by appropriately combining the technical means disclosed in the embodiments described above are also included in the technical scope of the present invention.

[Appendix 2]
Some or all of the above-described embodiments may also be described as follows. However, the present invention is not limited to the embodiments described below.

(Appendix 1)
Acquisition means for acquiring first monitor information relating to an optical fiber communication path between a terminal device and a communication device, and receiving the first monitor information as an input, and outputting information relating to a cause of failure in the optical fiber communication channel. and an estimating means for estimating factors of failure in the optical fiber communication path based on the estimating model.

According to the above configuration, it is possible to suitably estimate the cause of the problem in the optical fiber communication path.

(Appendix 2)
1. The information processing system according to appendix 1, wherein the estimating means estimates the cause of the failure in the optical fiber communication path in accordance with occurrence of a communication disconnection in the optical fiber communication path between the terminal device and the communication device.

According to the above configuration, when communication interruption occurs in the optical fiber communication path, it is possible to suitably estimate the cause of the problem caused by the communication interruption.

(Appendix 3)
storage means for storing the first monitor information acquired by the acquisition means; and first monitor information relating to the communication disconnection is acquired from the first monitor information stored by the storage means in accordance with the occurrence of the communication disconnection. The information processing system according to Supplementary Note 2, further comprising extracting means for extracting, wherein the estimating means estimates the cause of the failure in the optical fiber communication path according to the extracted first monitor information.

(Appendix 4)
4. Any one of appendices 1 to 3, wherein the first monitor information includes at least one of transmission power and reception power in the optical fiber communication path and at least one of the number of packet errors in the optical fiber communication path. The information processing system according to .

According to the above configuration, since the state of the optical fiber communication path is taken into consideration, it is possible to suitably estimate the cause of the malfunction in the optical fiber communication path.

(Appendix 5)
5. The information processing system according to any one of Appendices 1 to 4, further comprising an output unit that outputs information indicating maintenance work corresponding to the estimated cause of the malfunction.

According to the above configuration, it is possible to recommend maintenance work according to the estimated cause of the problem in the optical fiber communication path.

(Appendix 6)
6. The information processing according to any one of Appendices 1 to 5, further comprising learning means for learning the estimation model based on second monitor information regarding the optical fiber communication channel and information regarding defects in the optical fiber communication channel. system.

According to the above configuration, the estimation model is learned as the teacher data including the set of the monitor information and the information about the failure in the optical fiber communication channel, so the cause of the failure in the optical fiber communication channel can be estimated favorably. .

(Appendix 7)
providing means for providing monitor information on the optical fiber communication path; acquisition means for acquiring teacher data including a set of monitor information on the optical fiber communication path and information on failures in the optical fiber communication path; An information processing system comprising learning means for learning an estimation model that receives monitor information as input and outputs information about the cause of failure in an optical fiber communication path, with reference to teacher data acquired by the acquisition means.

(Appendix 8)
Acquisition means for acquiring first monitor information relating to an optical fiber communication path between a terminal device and a communication device, and receiving the first monitor information as an input, and outputting information relating to a cause of failure in the optical fiber communication channel. and an estimating means for estimating factors of failure in the optical fiber communication path based on an estimating model.

(Appendix 9)
9. The information processing apparatus according to appendix 8, wherein the estimating means estimates a cause of failure in the optical fiber communication path in response to occurrence of a communication disconnection in the optical fiber communication path between the terminal device and the communication device.

(Appendix 10)
storage means for storing the first monitor information acquired by the acquisition means; and first monitor information relating to the communication disconnection is acquired from the first monitor information stored by the storage means in accordance with the occurrence of the communication disconnection. The information processing apparatus according to Supplementary Note 9, further comprising extracting means for extracting, wherein the estimating means estimates the cause of the failure in the optical fiber communication path according to the extracted first monitor information.

(Appendix 11)
11. Any one of appendices 8 to 10, wherein the first monitor information includes at least one of transmission power and reception power in the optical fiber communication path and at least one of the number of packet errors in the optical fiber communication path. The information processing device according to .

(Appendix 12)
12. The information processing apparatus according to any one of appendices 8 to 11, further comprising an output unit that outputs information indicating maintenance work corresponding to the estimated cause of the malfunction.

(Appendix 13)
13. The information processing according to any one of appendices 8 to 12, further comprising learning means for learning the estimation model based on second monitor information regarding the optical fiber communication channel and information regarding defects in the optical fiber communication channel. Device.

(Appendix 14)
Acquisition means for acquiring teacher data including a set of monitor information relating to an optical fiber communication channel and information relating to a defect in the optical fiber communication channel; and a learning means for learning an estimation model outputting information about the above with reference to the teacher data acquired by the acquisition means.

(Appendix 15)
Acquisition of first monitor information regarding an optical fiber communication path between a terminal device and a communication device, and estimation of outputting information regarding a cause of failure in the optical fiber communication path using the first monitor information as an input. and estimating factors of failure in the optical fiber communication path based on a model.

(Appendix 16)
16. The information processing method according to Supplementary Note 15, wherein in the estimating step, a cause of a problem in the optical fiber communication path is estimated in accordance with occurrence of communication interruption in the optical fiber communication path between the terminal device and the communication device. .

(Appendix 17)
Storing the first monitor information acquired in the acquiring step; and Based on the first monitor information stored in the storing step, in accordance with the occurrence of the communication disruption, a first information related to the communication disruption. 17. The information processing method according to appendix 16, further comprising: extracting monitor information, wherein, in the estimating step, a factor of failure in the optical fiber communication path is estimated according to the extracted first monitor information. .

(Appendix 18)
17. Any one of Appendices 15 to 17, wherein the first monitor information includes at least one of transmission power and reception power in the optical fiber communication path, and at least one of the number of packet errors in the optical fiber communication path. The information processing method according to claim 1.

(Appendix 19)
19. The information processing method according to any one of Appendices 15 to 18, further comprising outputting information indicating maintenance work according to the presumed cause of the malfunction.

(Appendix 20)
20. The information processing method according to any one of appendices 15 to 19, further comprising learning the estimation model based on second monitor information on the optical fiber communication channel and information on defects in the optical fiber communication channel. .

(Appendix 21)
Acquisition of teacher data including a set of monitor information about an optical fiber communication path and information about a problem in an optical fiber communication path An information processing method, comprising learning an estimation model for outputting information with reference to the teacher data acquired in the acquiring step.

(Appendix 22)
A program for operating a computer as the information processing system according to any one of Appendices 1 to 7, wherein the program causes the computer to function as each of the means.

(Appendix 23)
15. A program for causing a computer to operate as the information processing apparatus according to any one of Appendices 8 to 14, the program causing the computer to function as each of the means.

(Appendix 24)
Some or all of the embodiments described above can also be expressed as follows.

at least one processor, the processor includes: a providing process for providing monitor information on an optical fiber communication path between a terminal device and a communication device; an acquisition process for obtaining monitor information on the optical fiber communication channel; By inputting the monitor information acquired in the acquisition process to an estimation model that receives monitor information related to the fiber communication channel and outputs information related to the cause of failure in the optical fiber communication channel, An information processing system that executes an estimation process for estimating the cause of a defect.

The information processing system may further include a memory, and the memory stores a program for causing the processor to execute the providing process, the obtaining process, and the estimating process. good too. Also, this program may be recorded in a computer-readable non-temporary tangible recording medium.

At least one processor is provided, and the processor stores training data including a set of a providing process for providing monitor information on the optical fiber communication channel, monitor information on the optical fiber communication channel, and information on failures in the optical fiber communication channel. Acquisition processing and learning in which an estimation model that receives as input monitor information on an optical fiber communication channel and outputs information on the cause of failure in the optical fiber communication channel is learned by referring to the teacher data acquired in the acquisition processing. An information processing system that executes a process.

The information processing system may further include a memory, and the memory stores a program for causing the processor to execute the providing process, the acquiring process, and the learning process. good too. In addition, this program may be recorded in a computer-readable non-temporary tangible recording medium.

At least one processor is provided, and the processor receives as input an acquisition process for acquiring monitor information on the optical fiber communication path between the terminal device and the communication device, and monitor information on the optical fiber communication channel, and the optical fiber communication channel An information processing apparatus that executes an estimation process of estimating the cause of a defect in the optical fiber communication path by inputting the monitor information acquired in the acquisition process to an estimation model that outputs information about the cause of the defect. .

The information processing apparatus may further include a memory, and the memory may store a program for causing the processor to execute the acquisition process and the estimation process. In addition, this program may be recorded in a computer-readable non-temporary tangible recording medium.

At least one processor is provided, and the processor performs an acquisition process for acquiring teacher data including a set of monitor information about an optical fiber communication channel and information about a problem in the optical fiber communication channel, and monitor information about the optical fiber communication channel. An information processing apparatus for executing a learning process of learning an estimation model, which is used as an input and outputs information about a cause of a problem in an optical fiber communication path, with reference to the teacher data acquired by the acquisition means.

The information processing apparatus may further include a memory, and the memory may store a program for causing the processor to execute the acquisition process and the learning process. Also, this program may be recorded in a computer-readable non-temporary tangible recording medium.

1, 1A, 1B, 1C, 2, 2A

Information processing device

10A, 10B, 10C, 51

Control unit

12, 22 Acquisition unit 13 Estimation unit 14 Storage unit 15

Extraction unit

16, 23 Learning unit 17

Output unit

18A, 18B, 18C , 62 storage unit 19 communication unit 21 provision unit 50 communication device 52 first communication unit 53 second communication unit 511 monitor information acquisition unit 60 input/output device 61 presentation unit 62 operation reception unit 70

terminal device

100, 100A, 100B, 100C, 200 Information processing system

Claims

Acquisition means for acquiring first monitor information regarding an optical fiber communication path between a terminal device and a communication device;
estimating means for estimating the cause of the failure in the optical fiber communication path based on an estimation model that inputs the first monitor information and outputs information about the cause of the failure in the optical fiber communication path;
Information processing system with
2. The information processing system according to claim 1, wherein said estimating means estimates a cause of failure in said optical fiber communication path in accordance with occurrence of a communication disconnection in said optical fiber communication path between said terminal device and said communication device. .
a storage means for storing the first monitor information acquired by the acquisition means;
extracting means for extracting first monitor information about the communication interruption from the first monitor information stored in the storage means in accordance with the occurrence of the communication interruption;
further comprising
3. The information processing system according to claim 2, wherein said estimating means estimates a cause of failure in said optical fiber communication path according to said extracted first monitor information.
The first monitor information includes:
4. The information processing system according to any one of claims 1 to 3, wherein at least one of transmission power and reception power in said optical fiber communication path and at least one of the number of packet errors in said optical fiber communication path is included. .
5. The information processing system according to any one of claims 1 to 4, further comprising output means for outputting information indicating maintenance work corresponding to the presumed cause of the malfunction.
6. The method according to any one of claims 1 to 5, further comprising learning means for learning the estimation model based on second monitor information on the optical fiber communication channel and information on defects in the optical fiber communication channel. information processing system.
Acquisition means for acquiring first monitor information regarding an optical fiber communication path between a terminal device and a communication device;
estimating means for estimating the cause of the failure in the optical fiber communication path based on an estimation model that inputs the first monitor information and outputs information about the cause of the failure in the optical fiber communication path;
Information processing device equipped with.
8. The information processing apparatus according to claim 7, wherein the estimating means estimates the cause of the failure in the optical fiber communication path in accordance with occurrence of a communication disconnection in the optical fiber communication path between the terminal device and the communication device. .
a storage means for storing the first monitor information acquired by the acquisition means;
extracting means for extracting first monitor information about the communication interruption from the first monitor information stored in the storage means in accordance with the occurrence of the communication interruption;
further comprising
9. The information processing apparatus according to claim 8, wherein said estimating means estimates a cause of failure in said optical fiber communication path according to said extracted first monitor information.
The first monitor information includes:
10. The information processing apparatus according to any one of claims 7 to 9, wherein at least one of transmission power and reception power in said optical fiber communication path and at least one of the number of packet errors in said optical fiber communication path is included. .
11. The information processing apparatus according to any one of claims 7 to 10, further comprising output means for outputting information indicating maintenance work corresponding to the estimated cause of the malfunction.
12. The method according to any one of claims 7 to 11, further comprising learning means for learning the estimation model based on second monitor information on the optical fiber communication channel and information on defects in the optical fiber communication channel. information processing equipment.
obtaining first monitor information about an optical fiber communication path between a terminal device and a communication device;
estimating the cause of the failure in the optical fiber communication path based on an estimation model that receives the first monitor information and outputs information about the cause of the failure in the optical fiber communication path;
Information processing methods, including.
14. The information processing according to claim 13, wherein, in said estimating step, a cause of failure in said optical fiber communication path is estimated according to occurrence of a communication disconnection in said optical fiber communication path between said terminal device and said communication device. Method.
storing the first monitor information acquired in the acquiring step;
Extracting first monitor information related to the communication disconnection from the first monitor information stored in the storing step, according to the occurrence of the communication disconnection;
further comprising
15. The information processing method according to claim 14, wherein, in said estimating step, a cause of a problem in said optical fiber communication path is estimated according to said extracted first monitor information.
The first monitor information includes:
16. The information processing method according to any one of claims 13 to 15, wherein at least one of transmission power and reception power in said optical fiber communication path and at least one of the number of packet errors in said optical fiber communication path is included. .
17. The information processing method according to any one of claims 13 to 16, further comprising outputting information indicating maintenance work corresponding to the presumed cause of the malfunction.
18. The method of any one of claims 13 to 17, further comprising training the estimation model based on second monitor information about the optical fiber communication path and information about failures in the optical fiber communication path. Information processing methods.