WO2018216135A1

WO2018216135A1 - Communication control method, communication control device, and communication control program

Info

Publication number: WO2018216135A1
Application number: PCT/JP2017/019357
Authority: WO
Inventors: 正次 ▲高▼橋
Original assignee: エム・エム・エス株式会社
Priority date: 2017-05-24
Filing date: 2017-05-24
Publication date: 2018-11-29

Abstract

The purpose of the invention is to provide a communication control technique that can reduce the effort of an operation for management of information related to each of a plurality of users. A communication control device 10 receives a communication request from a private device 20 (a computer to be controlled), and then transmits, to the private device 20, problem setting page data used for displaying a problem setting page including problem texts and also including answer input means. The communication control device 10 then receives, from the private device 20, answer data corresponding to the problem setting page data and, if the content of the answer data satisfies a predetermined communication permission criterion, the communication control device 10 then grants the communication request.

Description

COMMUNICATION CONTROL METHOD, COMMUNICATION CONTROL DEVICE, AND COMMUNICATION CONTROL PROGRAM

The present invention relates to a communication control technology, and more particularly to a method for controlling communication according to an answer to a problem.

It is an important factor for employees to provide employees with a communication environment via the Internet as part of their welfare. Even in the case of ocean-going shipping that sails the world's seas, it is a serious concern for seafarers and the like that seafarers etc. connect to the Internet and contact their families at sea. For this reason, an increasing number of shipping companies provide Internet connections to seafarers and the like on the ocean.

However, in communication via a communication network, an increase in communication volume may be a problem. For example, in communication by an Internet provider or a satellite communication carrier, the cost increases as the communication amount increases. In particular, there are cases where satellite communication is used for offshore communication, but the Internet connection by satellite communication is still expensive, and there is a problem in allowing sailors to use it freely. Further, when the communication capacity is limited, there is a possibility that communication delay or failure occurs when the communication volume increases. For example, a crew member's private communication may press the communication band of the entire ship, which may hinder the operation of the ship.

Therefore, it is conceivable to control the traffic volume on an individual basis in order to suppress the increase in the traffic volume. For example, it is conceivable to identify individual communicators using a personal ID and password, and allow communication within the range permitted by each individual. Patent Document 1 describes such a technique.

JP 2004-40738 A

However, the conventional technique has a problem that the labor for the management of information about each user is large.

For example, in the method using a personal ID and password, it takes time to manage the password on the control side. In addition, for example, in the method of collecting charges by managing the communication amount for each individual, it takes time for settlement work.

The present invention has been made to solve such problems, and an object of the present invention is to provide a communication control technique capable of reducing the labor of work related to information management for each user.

In order to solve the above-described problems, a communication control method according to the present invention is as follows.
A request receiving step of receiving a communication request from the controlled computer;
A questioning step of transmitting question screen data for displaying a question screen including a question sentence and an answer input means to the control target computer;
An answer receiving step of receiving answer data corresponding to the question screen data from the controlled computer;
Permitting the communication request when the content of the answer data satisfies a predetermined communication permission standard; and
Is provided.
Each of the question sentences is associated with one of a plurality of question groups,
The method includes the step of communicating with the control target computer after the request receiving step and before the questioning step to obtain information identifying one or more problem groups,
The question screen includes a question sentence associated with the identified question group.
You may do it.
The method
Receiving a question sentence and a correct answer from the server computer;
Receiving information representing the communication permission criteria from the server computer;
The method may further comprise a step of transmitting answer number data representing the number of correct answers and the number of incorrect answers related to each question sentence to the server computer.
Moreover, the communication control apparatus according to the present invention executes the method described above.
The communication control program according to the present invention causes a computer to execute the above-described method.

According to the communication control technology according to the present invention, since communication control can be realized without specifying a user, office work related to management of information regarding each user becomes unnecessary or easier.

It is a figure which shows the example of a structure containing the communication control apparatus which concerns on Embodiment 1 of this invention. It is a figure which shows the example of a structure of the problem database stored in the memory | storage means of the communication control apparatus of FIG. It is a flowchart which shows the flow of a process of the communication control apparatus of FIG. It is a figure which shows the example of a structure of the permission table stored in the memory | storage means of the communication control apparatus of FIG. It is a figure which shows the example of a structure of the question screen displayed on the private apparatus of FIG. It is a figure which shows the example of a structure of the correct answer screen displayed on the private apparatus of FIG. It is a figure which shows the example of a structure of the reply statistics stored in the memory | storage means of the communication control apparatus of FIG.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
Embodiment 1 FIG.
FIG. 1 shows an example of a configuration including a communication control apparatus 10 according to Embodiment 1 of the present invention. The communication control apparatus 10 implements communication control by executing the method described in this specification. The communication control device 10 has a function as a router device that relays different communication networks, and is communicably connected to a private communication network N1 (first communication network) and an inboard communication network N2 (second communication network). ing. The communication control device 10 is mounted on a ship, for example.

The private communication network N1 is, for example, a wireless LAN, but may be another type of communication network (wired communication network or the like). The private communication network N1 is a network that mediates communication based on the Wi-Fi standard, for example, but may be based on another standard. The inboard communication network N2 is, for example, a wired LAN, but may be another type of communication network (such as a wireless communication network). The inboard communication network N2 is, for example, a network that mediates communication based on the Ethernet (registered trademark) standard, but may be based on other standards.

One or more private devices 20 (private devices) can be connected to the private communication network N1. The private device 20 is a control target computer that is a target of communication control according to the present invention. The private device 20 is, for example, a notebook computer, a tablet computer, a smartphone, a mobile phone, or the like. The private device 20 is owned by, for example, a sailor, and is used and managed by the sailor.

Also, one or more business PCs 30 are connected to the inboard communication network N2. The business PC 30 is, for example, a computer installed in a ship.

The satellite communication unit 40 has a function as a router device that relays different communication networks, and is communicably connected to the inboard communication network N2 and the satellite communication network N3 (third communication network). The satellite communication unit 40 is mounted on a ship, for example. The satellite communication network N3 may be further connected to another communication network (such as the Internet) via a router device or the like.

Further, the management server 50 (server computer) is communicably connected to the satellite communication network N3 (directly or indirectly via another communication network). The management server 50 is installed on land, for example.

With the configuration as described above, the communication control device 10 and the private device 20 can communicate with each other via the private communication network N1, and the communication control device 10, the business PC 30, and the satellite communication unit 40 use the inboard communication network N2. The satellite communication unit 40 and the management server 50 can communicate with each other via the satellite communication network N3. Further, as will be described later, the private device 20 is mutually connected to a computer connected to the inboard communication network N2, the satellite communication network N3, or other communication network (such as the Internet) in accordance with the communication control of the communication control device 10. Communication is possible.

The communication control device 10 includes a configuration as a computer. For example, the communication control apparatus 10 includes a calculation unit 11 that performs a calculation. The computing means 11 includes, for example, a CPU (Central Processing Unit). Further, for example, the communication control device 10 includes a storage unit 12 that stores information. The storage means 12 includes, for example, a storage medium such as a semiconductor memory and an HDD (Hard Disk Drive).

The storage unit 12 stores a communication control program (not shown). The communication control program causes the computer to function as the communication control device 10 by causing the computer to execute the communication control method described in this specification. That is, the communication control device 10 implements the functions described in the present specification by the arithmetic means 11 of the communication control device 10 executing this communication control program.

Although not particularly shown, the communication control device 10 includes a communication means for inputting / outputting information to / from the private communication network N1 and the inboard communication network N2. The communication means includes, for example, a network interface device or a wireless interface device.

Although not particularly illustrated, the communication control apparatus 10 may include input means (mouse or keyboard, operation panel, etc.) for receiving an operation by an administrator and output means (LED, display, etc.) for outputting information.

Further, the communication control device 10 may function as a server that operates in accordance with the DHCP (Dynamic Host Configuration Protocol) protocol, and the private device 20 may function as a client that operates in accordance with the DHCP protocol. Good. In this case, it can be said that the communication control device 10 has a function of assigning an IP address in the private communication network N1 in response to a request from the private device 20.

The storage unit 12 of the communication control apparatus 10 stores a problem database including a plurality of problems.
FIG. 2 shows an example of the structure of the problem database. The problem database associates information related to a problem ID (problem identification information) that identifies each of the plurality of problems. The information related to the problem includes a problem group representing the genre to which the problem belongs, a problem sentence explaining the problem, a plurality of options as an answer to the problem, and a number of options representing a correct answer. In FIG. 2, for convenience of illustration, specific descriptions of question sentences and options are omitted (specific examples are shown in FIG. 5 and the like).

The number of options is 2 to 4, for example, and may vary from problem to problem. The problem group may be, for example, “marine knowledge”, “law”, “shipping company SMS”, “general common sense”, and the like. The number of problems belonging to each problem group is preferably, for example, 1000 to 5000 questions, but may be 1000 questions or less, or may be 5000 questions or more.

The problem database may be a single file as a whole, but search speed may be improved if a separate file is used for each problem group. The language of the question sentence can be arbitrarily designed, but may be, for example, English or Japanese.

Hereinafter, the operation flow of the communication control apparatus 10 will be described.
FIG. 3 is a flowchart showing a processing flow of the communication control apparatus 10. The outline of this process is that several problems are given in response to a communication request from the private device 20, and if there is a correct number of correct answers, the private device 20 is allowed to communicate. Details will be described below.

3 is started in response to the communication control device 10 receiving a communication request from the private device 20 (step S1, request receiving step). This communication request is transmitted / received via the private communication network N1. This communication request is a request for communication to a communication network other than the private communication network N1 or to a computer connected to such a communication network. For example, a connection request to a general SNS (Social Networking Service) website corresponds to this.

The specific data format of the communication request may be any, but may be, for example, a GET or POST method in the HTTP or HTTPS protocol, or other formats transmitted and received on the TCP or UDP protocol It may be data or other data.

When the communication request is received, the communication control device 10 determines whether or not communication permission has already been given to the private device 20 (step S2). This determination may be performed, for example, with reference to a predetermined format permission table.

Fig. 4 shows an example of the configuration of the permission table. This permission table is stored in the storage unit 12 of the communication control device 10, for example. In the permission table, the communication permission is already given to the private device 20 in the information for identifying the private device 20 (IP address in the example of FIG. 4 but may be a MAC address or the like). This is information for associating information indicating whether or not there is.

In the example of FIG. 4, if the permission time is recorded for the IP address of the private device 20, it indicates that communication permission has already been given, and there is no record corresponding to the IP address, or the record is Even if it exists, if the permission time is blank, it means that the communication permission has not been granted yet. Note that the information used for the determination in step S2 is not limited to the configuration in FIG.

In the determination in step S2, it is not necessary to strictly specify the user of the private device 20 or the like, and it is sufficient if the private device 20 can be specified. Therefore, it is not necessary to use information that requires separate management such as the user's personal ID and password. For this reason, the office work concerning management of information about each user is unnecessary or easy.

If the communication permission has already been granted, the communication control device 10 permits the subsequent communication to the private device 20 (step S10). The meaning of the operation of “permitting communication” can be appropriately determined by those skilled in the art, for example. Or, for example, if the request received in step S1 is a GET or POST method in the HTTP or HTTPS protocol, the request may be mediated (that is, the request is transferred to the satellite communication unit 40 and the satellite communication unit The response from 40 may be forwarded to the private device 20). Here, the communication control apparatus 10 may realize such processing by redirecting a communication request from the private device 20.

In step S <b> 2, if the communication permission has not been given to the private device 20 (including the case where the communication permission once given is cancelled), the communication control device 10 communicates with the private device 20. Go to acquire the class of the user (step S3).

Here, “class” represents, for example, the status as a sailor, and specific examples are “Captain”, “Officer”, or “Rating”. In addition, as a method for acquiring a class, for example, a URL associated with an option for displaying each class and an explanatory text prompting the user to operate (click or tap) the option corresponding to the user's status are included. A method is possible in which HTML data is transmitted to the private device 20 and the class is acquired based on which class's URL is requested by the private device 20. However, the class may be acquired using other methods.

After step S3, the communication control device 10 determines a problem group and a problem based on the acquired class (step S4). This determination method, that is, the relationship between the class and the problem group may be determined appropriately by those skilled in the art. For example, the communication control apparatus 10 may first identify a problem group and then identify a problem based on the problem group.

The relationship between the class and the problem group can be appropriately designed by those skilled in the art. For example, the class and the problem group may correspond one-to-one. In this case, each problem is classified into one of the problem for the captain, the problem for the officer, and the problem for the members.

Or, multiple problem groups may correspond to one class. In this case, for example, the problem for the captain exists in a plurality of genres and the like. In particular, the number of problem groups may vary depending on the class. For example, a larger number of problem groups may correspond to the captain, and a smaller number (such as only one) of problem groups may correspond to the crew. It may be.

Or, one problem group may correspond across multiple classes. In this case, for example, a problem group of a certain genre corresponds to both the captain and the officer. Thus, in this embodiment, it can be said that a class is information for specifying one or more problem groups. Further, information other than the class may be used as information for specifying the problem group.

The relationship between the class and the problem group may be designed so that the administrator of the communication control apparatus 10 can change it as appropriate. That is, it may be designed so that whether or not a certain problem group is associated with a certain class can be changed. In this way, it is possible to control the validation or invalidation of each problem group.

In this embodiment, the problem group is determined only according to the class. For this reason, the problems of the same problem group can be set as common problems for all sailors belonging to a certain class, and bottom-up of sailor's common sense can be achieved.

After determining the problem group, the communication control apparatus 10 may further specify the problem based on the problem group. For example, you may select a problem at random from the problems which belong to a problem group. Here, one or more problems may be identified. In the case of a plurality, at least one question may be selected from a plurality of problem groups, or may be selected randomly over all problem groups without providing such a restriction.

Even if the same problem is implemented with a restriction that the same communication request for the same private device 20 is not selected more than once (or within the predetermined time for the same private device 20). Good. Such restrictions can be implemented in various ways. For example, in the permission table of FIG. 4, the problem ID of a problem that has been asked in the past (or the problem ID of a problem that has been given within a certain period of time in the past) is stored. A process for avoiding the problem ID may be added by associating it with it.

After step S4, the communication control device 10 issues the determined problem to the private device 20 (step S5, question step). When there are a plurality of determined problems, one of them may be selected randomly or according to other appropriate criteria. Here, “exposing a question to the private device 20” means, for example, transmitting data (question screen data) for displaying a screen (question screen) for displaying a problem to the private device 20. Including. The private device 20 receives the question screen data and displays the question screen in response to this.

FIG. 5 shows an example of the configuration of the question screen. A method for displaying the question screen on the private device 20 may be designed by those skilled in the art as appropriate. For example, the question screen may be a screen displayed via a web browser displayed on the private device 20. In this case, the question screen data can be configured as HTML data. The HTML data may be transmitted according to the HTTP or HTTPS protocol by performing a redirect process as a response to the HTTP GET method or the like received in step S1, for example.

The question screen includes a question sentence. In the example of FIG. 5, the question sentence “Why can the oil used for cooking on the ship be discarded according to MARPOL regulations?” Is displayed. The question screen includes answer input means. In the example of FIG. 5, a sentence describing each of the four options that can be selected as an answer and the number of each option are displayed. In this example, the answer input means may be a hyperlink corresponding to each option display area. Further, the question screen may include a display of a problem genre (“law”) as shown in FIG. The problem genre represents, for example, a problem group.

Here, the order in which the options are displayed or the numbers displayed in association with the options may be determined randomly regardless of the order in which the options are defined in the problem database (FIG. 2). In this way, even when the same problem is presented, the display order of the options is different each time, so that it is possible to make the sailor confirm the content of the problem more firmly.

In the present embodiment, as shown in FIG. 2, each question sentence is associated with one of a plurality of question groups. Therefore, regardless of whether or not the question group is displayed, questions are asked according to the question group. Is called. That is, it can be said that the question screen includes a question sentence associated with the question group identified in step S4.

The specific configuration of the answer input means is not limited to that shown in FIG. For example, it may be configured by a radio button and a determination button, or may be configured by a field in which text or a numerical value can be input and a transmission button.

Note that this question screen can be displayed without requiring a login operation by the user. For this reason, the stress given to a sailor can be reduced.

After step S5, the user of the private device 20 can read the question sentence included in the question screen displayed on the private device 20, determine an answer from the options, and operate the answer input means. . In response to such an operation being performed, the private device 20 transmits response data to the communication control device 10.

In the present embodiment, there is no particular processing for prohibiting replying using information other than one's own knowledge (for example, a so-called cheating action or an act of asking another person for a correct answer). Even if you reply using something other than your own knowledge, it is thought that the knowledge level of the sailors will improve as a result, so an educational effect can be obtained. However, if necessary, a process or configuration that prohibits or suppresses reply using information other than one's own knowledge may be provided.

After step S5, the communication control device 10 receives the response data from the private device 20 (step S6, response reception step). The format of the answer data may be designed appropriately by those skilled in the art. Alternatively, for example, an HTTP GET method may be used. For example, when the user of the private device 20 operates the number or display area corresponding to the second option (by clicking or tapping), the HTTP GET method representing the URL corresponding to the second option is changed to the communication control device 10. The communication control device 10 may receive this data as answer data.

In the present embodiment, one answer data is received corresponding to one question screen data, but a plurality of answer data can be received for one question screen data. Alternatively, a single answer data may be received for a problem over a plurality of question screen data.

After step S6, the communication control device 10 determines whether or not the answer is correct (step S7). For example, it may be determined whether or not the answer is correct by determining whether or not the received answer data matches the correct answer defined in the problem database (FIG. 2).

After step S7, the communication control device 10 notifies the correct answer to the private device 20 (step S8). Here, “notifying the private device 20 of the correct answer” includes, for example, transmitting data for displaying the correct answer screen (correct answer screen data) to the private device 20. The private device 20 receives the correct answer screen data and displays the correct answer screen accordingly.

FIG. 6 shows an example of the configuration of the correct answer screen. The content of the correct answer screen and the transmission / reception method thereof may be configured in the same manner as the question screen. The correct answer screen includes a correct answer display. In the example of FIG. 6, “○” is displayed as a symbol representing the correct answer in one of the four options representing the correct answer, and “×” is represented as a symbol representing an incorrect answer in the three representing the solutions that are not correct. Is displayed. The correct answer screen may include an explanatory text. In the example of FIG. 6, “In the old regulations of MARPOL, if it was crushed, it could be discarded outside 3 nautical miles, and the others outside 12 nautical miles. Is displayed.

Thus, in this embodiment, correct answers and explanations are displayed immediately after answering, so even if a problem with a high degree of difficulty is presented, it does not become a burden on the sailors.

In addition, the execution timing of step S8 can be designed arbitrarily. For example, it may be executed before step S7. Further, it may be executed by being included in step S5 (in this case, the data may be in a format that allows the private device 20 to perform control such that the correct answer is not displayed until an answer is input and determined).

After step S6 (in the example of FIG. 3, further after steps S7 and S8), the communication control device 10 determines whether or not the content of the answer data satisfies a predetermined communication permission standard (step S9). The content of the answer data is evaluated based on the number of correct answers, for example. As a specific example, the communication permission criterion may be “the cumulative number of correct answers to the communication request being processed is 2 or more”.

If such a communication permission standard is used, the wrong answer will not be deducted, and communication will be permitted if the correct number of answers is correct. For this reason, it is possible to happily acquire business knowledge without giving an excessive burden to the sailors.

Further, in this step S9 (or in other steps), the communication control apparatus 10 stores the answer data related to each question sentence in the storage means 12. FIG. 7 shows an example of the structure of answer statistics including such answer data. The answer statistics are stored in the storage unit 12 of the communication control device 10, for example.

回答 In response statistics, the question results are associated with each problem ID. The problem ID corresponds to, for example, a problem ID defined in the problem database (FIG. 2). The question result includes, for example, the number of questions, the number of correct answers, and the number of incorrect answers. If the answer received in step S6 is a correct answer, the communication control apparatus 10 increases the number of questions and the number of correct answers associated with the corresponding problem ID in the answer statistics by 1, respectively. On the other hand, if the answer received in step S6 is an incorrect answer, the communication control apparatus 10 increases the number of questions and the number of incorrect answers associated with the corresponding problem ID in the answer statistics by 1, respectively.

In this embodiment, the answer statistics do not include information related to the sailor's personal performance (for example, the IP address of the private device 20 is not recorded), but may include such information.

In step S9, when it is determined that the content of the answer data does not satisfy the communication permission standard, the communication control device 10 returns the process to step S5. In this case, the question that has been selected in step S4 and has not yet been asked is repeatedly given. Although not particularly illustrated, the process may be returned to step S4 depending on the situation (for example, when all the questions selected in step S4 have been set, or only one question is determined in step S4). Etc.)

If it is determined in step S9 that the content of the answer data satisfies the communication permission standard, the communication control device 10 permits the private device 20 to perform a communication request being processed, and thereafter Is permitted (step S10 described above). Here, when the permission table as shown in FIG. 4 is used, the communication control apparatus 10 may appropriately update the permission table so as to record the permission time.

In this way, the user of the private device 20 can communicate with an external communication network (such as the Internet) by performing an answer operation and satisfying the communication permission standard. For example, by using the opportunity of satellite communication, which is likely to be used by seafarers, it is possible to expect an educational effect due to problem questions.

As described above, the communication control device 10 processes the communication request from the private device 20 and permits communication.

Further, although not shown in the flowchart of FIG. 3, the communication control device 10 has a function of performing the following operation.

When the elapsed time after step S10 is equal to or greater than a predetermined communication cutoff standard, the communication control device 10 cuts off the subsequent request communication by the private device 20 (blocking step). Here, “cut off communication” means that the process of FIG. 3 is re-executed. This corresponds to revoking the communication permission. In other words, instead of permitting a new communication request, the new communication request is interrupted (at least temporarily) by performing the question again.

The communication cutoff standard relates to the elapsed time from the time when step S10 is executed, for example, and can be set to 1 hour, for example. Implementation of such a communication cutoff standard can be performed by any method, for example, it may be determined with reference to the permission time in the permission table (FIG. 4) in step S2, or in a process different from FIG. An IP address that exceeds the communication cutoff criterion may be deleted from the permission table.

The blocking step may be executed based on the traffic instead of time. For example, the communication control device 10 may block the subsequent request communication by the private device 20 when the communication amount after step S10 is equal to or greater than a predetermined communication cutoff standard. The communication cutoff criterion in this case relates to the communication volume (for example, the number of transferred data bytes or packets) from the time when Step S10 is executed, and can be set to, for example, 10 MB. In this case, the communication amount of each private device 20 may be recorded in the permission table.

In addition, the communication control device 10 and the management server 50 have the following functions for transmitting and receiving data. The following processes can be executed independently of each other and independently of the process of FIG. 3 (however, a configuration in which these are linked is not specifically excluded).

The management server 50 transmits a question sentence and a correct answer to the communication control device 10. In response to this, the communication control apparatus 10 receives the question sentence and the correct answer from the management server 50. For example, the communication control apparatus 10 may have a function of downloading a problem database record shown in FIG. 2 from the management server 50. With such a function, the content of the problem can be appropriately updated or the problem can be added.

Also, the management server 50 transmits a communication permission standard and a communication cutoff standard to the communication control device 10. In response to this, the communication control apparatus 10 receives information indicating the communication permission standard and the communication cutoff standard from the management server 50. The received communication permission standard and communication cutoff standard may be stored in the storage unit 12 of the communication control device 10. With such a function, the difficulty level of communication permission and the frequency of questions can be appropriately controlled.

The communication control device 10 transmits to the management server 50 answer number data indicating the number of correct answers and the number of incorrect answers related to each question sentence. In response to this, the management server 50 receives the response number data from the communication control device 10. For example, the communication control device 10 may have a function of periodically uploading the answer statistics shown in FIG. 7 to the management server 50.

集計 By counting the number of correct answers and the number of incorrect answers in this way, the correct answer rate of each question can be grasped, and a problem with a higher educational effect can be created. In particular, if a communication control device 10 is provided for each of a plurality of ships and all communication control devices 10 are configured to transmit the number of correct answers and the number of incorrect answers to the management server 50, more statistics can be obtained. Can do.

As described above, according to the communication control apparatus 10, the communication control method, and the communication control program according to the first embodiment, communication control can be realized without specifying the user of the private device 20, so that each user Office work related to the management of information related to this is unnecessary or easier. For example, management of personal ID and password becomes unnecessary. Further, for example, it is not necessary to manage the communication amount for each individual and collect a fee.

In addition, since unlimited network use from the private device 20 can be suppressed, the cost can be reduced when using expensive communication services (satellite communication, etc.). Furthermore, the possibility of avoiding a situation in which the communication band is compressed increases. In addition, an educational effect for seafarers can be obtained by the questions.

In addition, since it can be implemented using a conventional network configuration (Wi-Fi standard etc.), it is possible to divert the existing configuration. Furthermore, even if a trouble occurs in mounting or the like, it is easy to restore it.

In the first embodiment described above, the following modifications can be made.
In the first embodiment, the communication control device 10 controls communication between the private device 20 and the inboard communication network N2, but the communication network of the communication destination may be other than the inboard communication network N2. For example, the communication control device 10 may be directly connected to the Internet.

Step S3 (acquisition of class) may be executed at least once for the private device 20. The second and subsequent executions can be omitted. In that case, the class may be acquired using a cookie transmitted / received between the communication control device 10 and the private device 20 in accordance with the HTTP protocol, or the class is associated with the MAC address of the private device 20 or the like. It may be recorded.

In the first embodiment, the personal ID and password of the user of the private device 20 are not required. However, when management of the personal ID and password does not cause a significant disadvantage, the configuration using these is not specifically excluded. Absent. In this case, the authentication process using the personal ID or password can be performed by an arbitrary method, and may be executed after step S1 and before step S2, for example.

The communication control device 10 may determine whether or not to execute the process of FIG. 3 based on a specific criterion. This particular criterion may relate to, for example, time of day or time zone. For example, in a specific time zone, after step S1, steps S2 to 9 may be omitted and step S10 may be executed. In this way, for example, at midnight, a time zone in which communication can be performed without solving the problem can be provided.

Also, for example, in another specific time zone, communication may be prohibited without executing steps S2 to S10. For example, instead of steps S2 to S10, a step of transmitting screen data for displaying a screen indicating that communication is prohibited to private device 20 may be executed. In this way, communication delays can be avoided, for example, in a time zone in which the amount of communication related to business increases.

The determination criteria in step S9 can be arbitrarily changed. For example, the content of the answer data may be evaluated based on the ratio of the number of correct answers to the number of answers (correct answer rate). As a specific example, the communication permission criterion can be defined as “the cumulative number of responses to the communication request being processed is 4 or more and the correct answer rate is 50% or more”. Alternatively, the content of the answer data may be evaluated without depending on the number of correct answers (for example, based on the number of answers). As a specific example, the communication permission criterion may be defined as “the cumulative number of responses to the communication request being processed is 5 or more”.

The computer to be controlled is not limited to the private device 20. A shared device (such as a business PC 30) or other computer or device may be included. The communication control device 10 and the like are preferably installed on the ship, but are not limited to those installed on the ship.

問題 Classification of problem groups may be omitted. For example, the column “Problem Group” in the problem database of FIG. 2 may be omitted, or all problems may be treated as belonging to a single problem group.

10 communication control device, 20 private devices (control target computer), 50 management server (server computer), S1 request reception step, S5 question step, S6 answer reception step, S10 permission step.

Claims

A request receiving step of receiving a communication request from the controlled computer;
A questioning step of transmitting question screen data for displaying a question screen including a question sentence and an answer input means to the control target computer;
An answer receiving step of receiving answer data corresponding to the question screen data from the controlled computer;
Permitting the communication request when the content of the answer data satisfies a predetermined communication permission standard; and
A communication control method comprising:
Each of the question sentences is associated with one of a plurality of question groups,
The method includes the step of communicating with the control target computer after the request receiving step and before the questioning step to obtain information identifying one or more problem groups,
The question screen includes a question sentence associated with the identified question group.
The communication control method according to claim 1.
The method
Receiving a question sentence and a correct answer from the server computer;
Receiving information representing the communication permission criteria from the server computer;
The communication control method according to claim 1, further comprising: transmitting, to the server computer, answer number data representing the number of correct answers and the number of incorrect answers related to each question sentence.
A communication control apparatus for executing the method according to any one of claims 1 to 3.
A communication control program for causing a computer to execute the method according to any one of claims 1 to 4.