WO2005074207A1 - 通信システム、情報処理システム、情報処理装置、トンネル管理装置、情報処理方法、トンネル管理方法およびプログラム - Google Patents
通信システム、情報処理システム、情報処理装置、トンネル管理装置、情報処理方法、トンネル管理方法およびプログラム Download PDFInfo
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- WO2005074207A1 WO2005074207A1 PCT/JP2005/000564 JP2005000564W WO2005074207A1 WO 2005074207 A1 WO2005074207 A1 WO 2005074207A1 JP 2005000564 W JP2005000564 W JP 2005000564W WO 2005074207 A1 WO2005074207 A1 WO 2005074207A1
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- information
- tunnel
- communication
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- tunnel communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
Definitions
- Communication system information processing system, information processing device, tunnel management device, information processing method, tunnel management method and program
- the present invention relates to a communication system or the like for performing communication between a plurality of information processing devices.
- the communication is performed without going through the server that manages the communication, the communication is not performed by a third party other than the party performing the communication. This means that no one other than the party can control that communication. As a result, for example, there is a problem that even if an illegal act is performed by communication, the communication cannot be disconnected. Also, for example, even if it is desired to charge for the communication, a third party cannot know how long the communication has been performed, and the charging cannot be performed. Problem.
- the present invention has been made to solve the above problems, and has as its object to provide a communication system and the like that can perform control related to communication performed without passing through a server that manages communication. And
- an information processing apparatus includes a tunnel communication unit that performs tunnel communication, a maintenance information receiving unit that receives maintenance information that is information relating to maintenance of tunnel communication, and a maintenance information receiving unit. And a tunnel communication control unit that controls tunnel communication by the tunnel communication unit based on the maintenance information received by the communication unit.
- the tunnel communication performed by the tunnel communication unit is controlled by the maintenance information. You can do it.
- a tunnel management device manages tunnel communication information that is information on tunnel communication between a plurality of devices, and based on the tunnel communication information management unit and the tunnel communication information, And a maintenance information transmission unit for transmitting maintenance information, which is information relating to maintenance of tunnel communication, to a device that performs tunnel communication!
- an information processing system is a communication system including a tunnel management device and an access device, wherein the access device stores maintenance information, which is information regarding maintenance of tunnel communication between a plurality of devices.
- a first request receiving unit for receiving a transmission request for transmission, a request transmitting unit for transmitting the transmission request to the tunnel management device when the first request receiving unit receives the transmission request, and a tunnel.
- a maintenance information reception unit that receives the maintenance information transmitted from the management device; and a first maintenance information transmission unit that transmits the maintenance information when the maintenance information reception unit receives the maintenance information, and includes a tunnel.
- the management device includes a tunnel communication information management unit that manages tunnel communication information, which is information on tunnel communication, and a second request reception that receives the transmitted transmission request. If, when the second request receiving unit receives the transmission request, based on the tunnel communication data, and a second sustain data transmitting unit for transmitting the maintained information on the access device, including a, is intended.
- the information processing system transmits the maintenance information, so that it is possible to control whether to maintain the tunnel communication.
- FIG. 1 is a diagram showing a configuration of a communication system according to a first embodiment of the present invention.
- FIG. 2 is a block diagram showing a configuration of a first information processing apparatus according to the embodiment.
- FIG. 3 is a block diagram showing a configuration of a second information processing apparatus according to the embodiment.
- FIG. 4 is a block diagram showing a configuration of a tunnel management device according to the embodiment.
- FIG. 5 is a flowchart showing an operation of the first information processing apparatus according to the embodiment. is there.
- FIG. 6 is a flowchart showing the operation of the tunnel management device according to the embodiment.
- FIG. 7 is a diagram showing an example of user information according to the embodiment.
- FIG. 8A is a diagram showing an example of tunnel communication information in the embodiment.
- FIG. 8B is a diagram showing an example of tunnel communication information in the embodiment.
- FIG. 8C is a diagram showing an example of tunnel communication information in the embodiment.
- FIG. 9 is a diagram showing an example of request information in the embodiment.
- FIG. 10 is a diagram showing an example of tunnel communication information in the embodiment.
- FIG. 11 is a flowchart showing an operation of the first information processing device according to the second embodiment of the present invention.
- FIG. 12 is a flowchart showing the operation of the tunnel management device according to the embodiment.
- FIG. 13A is a diagram showing an example of tunnel communication information in the embodiment.
- FIG. 13B is a diagram showing an example of tunnel communication information in the embodiment.
- FIG. 13C is a diagram showing an example of tunnel communication information in the embodiment.
- FIG. 13D is a diagram showing an example of tunnel communication information according to the embodiment.
- FIG. 14 is a diagram showing an example of tunnel communication information.
- FIG. 15 is a block diagram showing a configuration of a first information processing apparatus according to Embodiment 3 of the present invention.
- FIG. 16 is a block diagram showing a configuration of a tunnel management device according to the embodiment.
- FIG. 17 is a flowchart showing an operation of the first information processing device according to the embodiment.
- FIG. 18 is a flowchart showing the operation of the tunnel management device according to the embodiment.
- FIG. 19 is a diagram showing an example of a table indicating a correspondence between a user identifier and the presence or absence of registration of a credit card number according to the embodiment.
- FIG. 20 is a diagram showing an example of tunnel communication information in the embodiment.
- FIG. 21 is a diagram showing a configuration of a communication system according to a fourth embodiment of the present invention.
- FIG. 22 is a block diagram showing a configuration of an access device according to the embodiment.
- FIG. 23 is a block diagram showing a configuration of a tunnel management device according to the embodiment.
- FIG. 24 is a flowchart showing an operation of the access device according to the embodiment.
- FIG. 25 is a flowchart showing an operation of the tunnel management device according to the embodiment.
- FIG. 1 is a diagram showing a configuration of a communication system according to the present embodiment.
- the communication system according to the present embodiment includes a first information processing device 1, a second information processing device 2, and a tunnel management device 4.
- the first information processing device 1, the second information processing device 2, and the tunnel management device 4 are connected via a wired or wireless communication line 3.
- the communication line 3 is, for example, the Internet.
- FIG. 2 is a block diagram showing a configuration of the first information processing device 1 according to the present embodiment.
- the first information processing device 1 includes a communication unit 11, a tunnel communication unit 12, a maintenance information reception unit 13, a tunnel communication control unit 14, and a maintenance information requesting unit 15.
- the communication unit 11 is connected to the communication line 3, and includes components of the second information processing device 2, the tunnel management device 4, and the first information processing device 1 (for example, a tunnel communication control device). Part 14 and The transmission / reception (delivery) of information to / from the maintenance information receiving unit 13) is performed via the communication line 3.
- tunnel communication refers to peer-to-peer communication using a logical transmission path performed between terminals. For example, communication may be performed at the IP level, or transmission may be performed using HTTP.
- the communication mode may be a virtual circuit or a datagram.
- Peer to Peer communication is composed of two logical entities. One is the one that has network management, management of communication time in tunnel communication, discovery of communication destinations, and administration functions such as a directory (in this embodiment, tunnel management device 4). The second one has an application function that uses those functions (the first information processing device 1 and the second information processing device 2 in the present embodiment).
- tunnel communication refers to communication performed between devices having an aggregation function without relying on other entities.
- tunnel communication may be performed via the server as long as the server does not manage the communication.
- tunnel communication may be performed via a proxy server.
- the data may or may not be encapsulated. Encapsulation refers to wrapping communication data in a header specified by a protocol.
- encryption may or may not be performed as in a VPN (Virtual Private Network). Examples of tunnel communication include HTTP tunnel communication, UDP tunnel communication, L2TP tunnel communication, and SSH tunnel communication.
- the tunnel communication unit 12 and the communication unit 11 may be configured as one component.
- the tunnel communication unit 12 may or may not include a communication device (for example, a network card) for performing such communication. Further, the tunnel communication unit 12 may be realized by hardware, or may be realized by software such as a driver for driving a communication device.
- the maintenance information receiving unit 13 is transmitted from the tunnel management device 4 and received by the communication unit 11. Accept maintenance information.
- the maintenance information is information relating to maintenance of tunnel communication. With this maintenance information, it is possible to know whether tunnel communication can be maintained
- Tunnel communication control unit 14 controls tunnel communication by tunnel communication unit 12 based on the maintenance information received by maintenance information reception unit 13. For example, when the maintenance information indicating that the tunnel communication cannot be maintained is received by the maintenance information receiving unit 13, the tunnel communication control unit 14 controls the tunnel communication unit 12 to end the tunnel communication.
- the tunnel communication control unit 14 also performs a process for establishing tunnel communication.
- establishing the tunnel communication refers to a state where the tunnel communication can be performed.
- the maintenance information requesting unit 15 requests the tunnel management device 4 to transmit the maintenance information.
- the request is made by the maintenance information request unit 15 transmitting a transmission request to the tunnel management device 4 to request transmission of the maintenance information.
- the request may be set at the maintenance information request unit 15 as soon as possible, or may be made at predetermined time intervals (for example, 10 minutes, etc.), or the maintenance information may be tunneled.
- Information (tunnel maintenance time information) on the time during which communication can be performed is included, and may be performed when the time interval indicated by the information has elapsed.
- the tunnel maintenance time indicated by the tunnel maintenance time information the same time may be set for each maintenance information, or a different time may be set for each maintenance information.
- the tunnel maintenance time information may be included in the maintenance information every time, or may be included once or a predetermined number of times. 5 may send the subsequent send request!
- FIG. 3 is a block diagram showing a configuration of the second information processing device 2 according to the present embodiment.
- the second information processing device 2 includes a communication unit 21, a tunnel communication unit 22, and a tunnel communication control unit 23.
- the communication unit 21 and the tunnel communication unit 22 are the same as the communication unit 11 and the tunnel communication unit 12 in the first information processing device 1, and a description thereof will be omitted.
- the tunnel communication control unit 23 performs a process for establishing tunnel communication by the tunnel communication unit 22. If it is determined that tunnel communication cannot be maintained, End the tunnel communication by 22.
- FIG. 4 is a block diagram showing a configuration of the tunnel management device 4 according to the present embodiment.
- the tunnel management device 4 includes a communication control unit 41, a tunnel communication information management unit 42, a request reception unit 43, a request accumulation unit 44, a maintenance information transmission unit 45, a control information reception unit 46, And an information changing unit 47.
- the communication control unit 41 performs a process for establishing tunnel communication between the first information processing device 1 and the second information processing device 2. For example, the communication control unit 41 transmits address information that is information indicating the IP address of the second information processing device 2 to the first information processing device 1 that performs the tunnel communication.
- the tunnel communication information management unit 42 manages tunnel communication information.
- the tunnel communication information is information on tunnel communication between a plurality of devices. Based on this tunnel communication information, it is possible to know whether tunnel communication can be maintained.
- the management of the tunnel communication information includes storage of the tunnel communication information. This storage can be realized by a predetermined recording medium (for example, a semiconductor memory, a magnetic disk, an optical disk, or the like). This storage may be temporary storage in a RAM or the like of the tunnel communication information read out from an external storage device or long-term storage in a magnetic disk or the like. Further, the management of the tunnel communication information may include updating of the tunnel communication information.
- the update of the tunnel communication information refers to, for example, new creation or deletion of a record included in the tunnel communication information, or update of information related to the time included in the tunnel communication information using a timing function (for example, This is a concept that includes counting down or counting up the time according to progress.
- the counting down or counting up of the time may be performed using a clock or simply using a timer.
- the request receiving unit 43 receives the transmission request transmitted from the first information processing device 1 via the communication line 3.
- the transmission request is a request to transmit the maintenance information.
- the transmission request includes, for example, information for identifying the tunnel communication to indicate which tunnel communication is the transmission request of the maintenance information.
- the information for identifying the tunnel communication may be, for example, an identifier of the tunnel communication or a device identifier which is an identifier unique to the information processing apparatus performing the tunnel communication.
- the IP address may be used.
- the request receiving unit 43 Upon receiving the transmission request, the request receiving unit 43 passes information identifying the tunnel communication to the request storage unit 44. In addition, information for identifying the tunnel communication, an instruction to transmit the maintenance information, and address information indicating the IP address of the transmission source of the transmission request are passed to the maintenance information transmitting unit 45.
- the IP address that is the transmission source of the transmission request is included, for example, in the header of the transmission request.
- the request storage unit 44 stores request information that is information on the transmission request received by the request reception unit 43.
- the request information is, for example, information including information for identifying tunnel communication performed by the information processing apparatus that has transmitted the transmission request, and information indicating the date, time, and time related to the transmission request.
- the date, time, and the like relating to the transmission request may be, for example, the date, time, or time when the transmission request is received, or when the request storage unit 44 receives the reception of the transmission request.
- the date, time, and time at the time of transmitting the request (for example, included in the transmission request) may be used. From this request information, it is possible to know the transmission request power for a certain tunnel communication and when it was transmitted (or when the transmitted transmission request was received, etc.). As a result, the request information can be a log of when tunnel communication was being performed.
- maintenance information transmitting section 45 transmits maintenance information, which is information relating to maintenance of tunnel communication, to an information processing apparatus that is performing tunnel communication.
- the maintenance information may be generated based on the tunnel communication information, or may be configured using the information included in the tunnel communication information as it is.
- the maintenance information transmission unit 45 may or may not include a transmission device (for example, a network card or the like) that performs the transmission. Further, the maintenance information transmitting unit 45 may be realized by a hardware or by a software such as a driver for driving the transmitting device.
- the control information receiving unit 46 receives tunnel control information.
- the tunnel control information is information related to control of tunnel communication, and for example, terminates a certain tunnel communication. Control instructions and the like are included.
- the control information receiving unit 46 may receive, for example, tunnel control information input from an input device (for example, a keyboard, a mouse, a touch panel, or the like), or receive tunnel control information transmitted through the communication line 3. You may. In the present embodiment, a case where tunnel control information is received via communication line 3 will be described.
- the control information receiving unit 46 passes the received tunnel control information to the information changing unit 47.
- the information change unit 47 changes the tunnel communication information stored in the tunnel communication information management unit 42 based on the tunnel control information.
- control related to tunnel communication for example, stop of tunnel communication
- the tunnel communication information can be changed indirectly by the information change unit 47 by directly changing the tunnel communication information or by giving an instruction to the tunnel communication information management unit 42. May be changed.
- FIG. 5 is a flowchart showing the operation of the first information processing device 1.
- FIG. 6 is a flowchart showing the operation of the tunnel management device 4.
- Step S101 The tunnel communication control unit 14 transmits a request to start tunnel communication to the tunnel management device 4 via the communication unit 11, and the request is transmitted from the tunnel management device 4 to the request.
- address information indicating the IP address of the second information processing device 2
- the tunnel communication between the tunnel communication unit 22 and the tunnel communication unit 12 of the second information processing device 2 is started.
- the maintenance information receiving unit 13 receives the maintenance information from the tunnel management device 4, and notifies the maintenance information requesting unit 15 that the maintenance information has been received. Then, the maintenance information request unit 15 starts timing from that time.
- Step S102 The maintenance information requesting unit 15 determines whether or not it is time to request maintenance information. This determination is made based on whether or not the clocking force started in step S101 has passed a predetermined time. If it is time to request the maintenance information, the process proceeds to step S103; otherwise, the process proceeds to step S107.
- Step S103 The maintenance information request unit 15 transmits a transmission request to the tunnel management device 4. Thus, a request for transmitting the maintenance information is made.
- Step S104 The maintenance information receiving unit 13 determines whether or not the power has received the maintenance information.
- step S105 If the maintenance information has been received, the process proceeds to step S105. If the maintenance information has not been received, the process of step S104 is repeated until the maintenance information is received.
- Step S 105 When the maintenance information indicates that tunnel communication can be maintained, the maintenance information receiving unit 13 notifies the maintenance information requesting unit 15 of the fact. Then, the maintenance information requesting unit 15 resets the time measurement, and starts the time measurement again from that time. Then, the process returns to step S102. On the other hand, when the maintenance information indicates that the tunnel communication cannot be maintained, the fact is transmitted to the tunnel communication control unit 14 and the maintenance information requesting unit 15, and the process proceeds to step S106. When the maintenance information requesting unit 15 receives the notification that the tunnel communication cannot be maintained, the maintenance information requesting unit 15 ends the timing, and thereafter does not transmit a transmission request to the tunnel management device 4.
- Step S106 The tunnel communication control unit 14 controls the tunnel communication unit 12 to end the tunnel communication. As a result, the tunnel communication performed between the first information processing device 1 and the second information processing device 2 is terminated. For example, after the tunnel communication unit 12 has transmitted to the second information processing device 2 that the tunnel communication is to be ended, the tunnel communication is ended by not transmitting the packet.
- Step S107 The tunnel communication control unit 14 determines whether to end the tunnel communication.
- the tunnel communication may be terminated, for example, when an instruction to terminate the tunnel communication is received from outside the first information processing apparatus 1 (for example, when the user inputs a command to terminate the tunnel communication). ) Or when the communication of information by the tunnel communication unit 12 ends (for example, when transmission of all data to be transmitted ends).
- the process proceeds to step S108, otherwise, the process returns to step S102.
- Step S 108 The tunnel communication control unit 14 sends information to the effect that the tunnel communication is to be terminated to the tunnel management device 4.
- Step S201 The communication control unit 41 determines whether or not it has received a request to start tunnel communication. Then, if accepted, the process proceeds to step S202, and if not. ⁇ If it is, go to step S205.
- Step S202 The communication control unit 41 transmits address information indicating the IP address of the information processing device that is the partner of the tunnel communication to the information processing device that has transmitted the request to start the tunnel communication. I do. Further, the communication control unit 41 passes information for identifying the tunnel communication (for example, information for identifying each information processing device performing the tunnel communication) to the tunnel communication information management unit 42. In addition, an instruction to transmit the maintenance information is passed to the maintenance information transmitting unit 45.
- Step S203 Upon receiving the information for identifying the tunnel communication from the communication control unit 41, the tunnel communication information management unit 42 accumulates the tunnel communication information based on the information. This accumulation is performed, for example, by creating a new record of tunnel communication information on a predetermined recording medium.
- Step S204 When receiving the instruction to transmit the maintenance information from the communication control unit 41, the maintenance information transmission unit 45 responds to the instruction to transmit the tunnel information managed by the tunnel communication information management unit 42. Refer to the information and transmit the maintenance information. Then, the process returns to step S201.
- Step S205 The request receiving unit 43 determines whether or not a request for transmitting the maintenance information has been received. Then, when receiving the transmission request of the maintenance information, it passes the information for identifying the tunnel communication included in the maintenance information to the request storage unit 44, and transmits the information for identifying the tunnel communication and the maintenance information. The instruction to that effect and the address information indicating the IP address of the transmission source of the transmission request are passed to the maintenance information transmitting unit 45, and the process proceeds to step S206. On the other hand, if the transmission request of the maintenance information has not been received, the process proceeds to step S209.
- Step S206 Upon receiving the information identifying the tunnel communication from the request receiving unit 43, the request storage unit 44 stores the request information. This accumulation is performed, for example, by creating a new record of the request information on a predetermined recording medium.
- Step S207 The maintenance information transmitting unit 45 requests the information for identifying the tunnel communication, the instruction to transmit the maintenance information, and the address information indicating the IP address of the transmission source of the transmission request. Received from the tunnel communication information management unit 42, based on the record corresponding to the information identifying the tunnel communication in the tunnel communication information. The maintenance information is transmitted to the IP address indicated by the dress information. Further, the maintenance information transmitting unit 45 passes the maintenance information to the communication control unit 41.
- Step S208 The communication control unit 41 determines whether or not the tunnel communication is to be terminated based on the maintenance information received from the maintenance information transmitting unit 45. Then, when the tunnel communication is terminated, the process proceeds to step S210, otherwise, the process returns to step S201.
- Step S209 The communication control unit 41 determines whether or not information indicating that the tunnel communication is to be ended has been received from the information processing apparatus that is performing the tunnel communication. If it has been received, the process proceeds to step S210; otherwise, the process proceeds to step S211.
- Step S210 The communication control unit 41 passes an instruction to delete the tunnel communication information corresponding to the tunnel communication to be ended to the tunnel communication information management unit 42. As a result, the tunnel communication information is deleted. For example, the record of the tunnel communication information corresponding to the tunnel communication to be ended is deleted. Then, the process returns to step S201.
- Step S211 The control information receiving unit 46 determines whether tunnel control information has been received. Then, when the tunnel control information is received, the received tunnel control information is passed to the information changing unit 47, and the process proceeds to step S212. Otherwise, the process returns to step S201.
- Step S212 The information change unit 47 changes the tunnel communication information managed by the tunnel communication information management unit 42 based on the tunnel control information received from the control information reception unit 46. For example, the tunnel communication information is changed so that the remaining time of the communication in the record of the tunnel communication information corresponding to the predetermined tunnel communication becomes “0”. Then, the process returns to step S201.
- the processing is terminated by powering off or interruption for aborting the processing.
- the tunnel communication control unit 23 receives, via the communication unit 21, a message that the tunnel communication is to be started and address information indicating the IP address of the first information processing device 1, the first information processing device 1 Of the IP address to the tunnel communication unit 22 and inform the tunnel communication unit 22 that transmission to the IP address will be performed. Instruct Shinbu 22. As a result, tunnel communication is established between tunnel communication unit 22 and tunnel communication unit 12, and tunnel communication is performed. On the other hand, when the tunnel communication control unit 23 receives an instruction to end the tunnel communication from the first information processing device 1, it issues an instruction to the tunnel communication unit 22 to end the tunnel communication. hand over. As a result, the tunnel communication is terminated.
- the maintenance information request unit 15 transmits a transmission request to the tunnel management device 4 at predetermined time intervals (10 minutes). That is, the maintenance information request unit 15 transmits the transmission request 10 minutes after the maintenance information receiving unit 13 receives the maintenance information.
- the tunnel communication control unit 14 of the first information processing apparatus 1 holds information indicating the device identifier "D001" for identifying the first information processing apparatus 1 in advance. 4. Send to the IP address. Then, information indicating the device identifier “D001” is received by the communication control unit 41. At this time, the communication control unit 41 acquires the IP address “155.32.10.10” of the first information processing device 1 included in the header of the information.
- the communication control unit 41 holds the user information shown in FIG.
- the user information is information that associates a user identifier for identifying a user, a device identifier for identifying an information processing apparatus owned by each user, an IP address, and a communicable time.
- the communicable time is information indicating a time during which tunnel communication can be performed.
- Each user shall purchase the communicable time in advance by paying a predetermined fee.
- each user shall register the device identifier of the information processing device possessed by the user in the user information in advance.
- the communication control unit 41 records the IP address “155. 32.10.10” of the first information processing device 1 in association with the device identifier “D001” received from the first information processing device 1.
- the IP address recorded in this way is the first record in Fig. 7.
- the tunnel communication control unit 23 of the second information processing device 2 also holds the device identifier "D002" of the second information processing device 2 as a whole. 4 to the IP address. Then, as shown by the third record in Figure 7, the device identifier “D002” and the IP address “202.132.10.6” of the second information processing device 2 are recorded in the user information. Note that the communicable time corresponding to the user identifier “U002” in FIG. 7 is “1” because the user has purchased the communicable time.
- the tunnel communication control unit 14 of the first information processing apparatus 1 performs tunnel communication with the device identifier “D002” of the second information processing apparatus 2 and the second information processing apparatus 2. Is transmitted to the tunnel management device 4. Then, the communication control unit 41 receives the device identifier “D002” and a request for performing the tunnel communication (step S201). Then, the communication control unit 41 refers to the user information, configures address information indicating the IP address “202.132.10.6” corresponding to the device identifier “D002”, and stores the address information in the first The information is transmitted to the IP address of the information processing device 1 (step S202).
- the communication control unit 41 manages the device identifier “D001” of the first information processing device 1 and the device identifier “D002” of the second information processing device 2 as information for identifying tunnel communication.
- the communication time is passed to the tunnel communication information management unit 42.
- the device identifier “D001” of the first information processing device 1 the IP address “155.32.10.10” of the first information processing device 1, and the instruction to transmit the maintenance information are maintained. Pass it to the information transmitter 45.
- FIG. 8 is a diagram showing tunnel communication information managed by the tunnel communication information management unit 42. As shown in FIG. 8A, a new record including the first device identifier “D001”, the second device identifier “D002”, and the remaining time “300 minutes” is created in the tunnel communication information.
- the first device identifier corresponds to the device identifier of the information processing apparatus that has requested the start of the tunnel communication. Therefore, “D001” is set as the first device identifier.
- a communicable time corresponding to the first device identifier is set.
- the remaining time in FIG. 8A is a time during which the first information processing device 1 and the second information processing device 2 can perform tunnel communication.
- this remaining time is calculated by the tunnel communication information management unit 42. Counted down with excess. Therefore, when a predetermined time has elapsed after starting the tunnel communication, the tunnel communication information becomes as shown in FIG. 8B.
- the maintenance information transmission unit 45 transmits the device identifier "D001" of the first information processing device 1, the IP address "155. 32.10.10” of the first information processing device 1, and the maintenance information. Is received from the communication control unit 41, the tunnel communication information management unit 42 refers to the tunnel communication information, determines that the remaining time exceeds 0, and maintains the tunnel communication. The maintenance information indicating the possibility is transmitted to the IP address “155. 32.10.10” (step S204).
- Tunnel communication control unit 14 of first information processing device 1 receives the address information transmitted from tunnel management device 4, and based on the address information, performs tunnel communication with second information processing device 2. Is started by the tunnel communication unit 12. Further, the maintenance information transmitted from the tunnel management device 4 is received by the maintenance information receiving unit 13 and the fact that the maintenance information has been received is transmitted to the maintenance information requesting unit 15, so that the maintenance information requesting unit 15 The timer starts counting time from 0 seconds (step S101).
- the maintenance information requesting unit 15 determines that it is time to request the transmission of the maintenance information after 10 minutes from the start of the timekeeping and the power has passed (step S102), and the transmission is performed to request the transmission of the maintenance information.
- the request is transmitted to the tunnel management device 4 (step S103).
- This transmission request includes an instruction to transmit the maintenance information and a device identifier “D001”.
- the tunnel communication is identified by the device identifier “D001” of the first information processing device 1.
- the transmission request is received by the request receiving unit 43 (step S205). Then, the device identifier “D001” is passed to the request storage unit 44, and the device identifier “D001” and the address information indicating the IP address of the first information processing device 1 included in the header of the transmission request are stored. The instruction to transmit the personal information is passed to the maintenance information transmitting unit 45.
- the request storage unit 44 stores the received device identifier in association with the current date and time (step S206).
- FIG. 9 is a diagram showing an example of the request information thus accumulated.
- the device identifier “D001” is associated with the date “December 10, 2003” and the time “18:52:18”.
- the maintenance information transmitting unit 45 refers to the tunnel communication information and the remaining time is about 290 minutes. Therefore, maintenance information indicating that the tunnel can be maintained is transmitted to the IP address indicated by the address information received from the request receiving unit 43 (step S207). In addition, the maintenance information is passed to the communication control unit 41, and it is determined that the communication does not end the tunnel communication (step S208).
- Maintenance information receiving unit 13 receives the transmitted maintenance information (step S104), and determines that tunnel communication can be maintained (step S105). Then, the clock in the maintenance information requesting unit 15 is reset, and a new clock is started (step S102).
- tunnel communication is continued.
- the tunnel communication unit 12 informs the tunnel communication control unit 14 to that effect. Then, the tunnel communication control unit 14 determines that the tunnel communication is to be ended (step S107), and transmits information to end the tunnel communication to the tunnel management device 4 (step S108). It is assumed that this information includes information indicating that the tunnel communication is to be terminated and a device identifier “D001” as information for identifying the tunnel communication. In addition, the tunnel communication control unit 14 transmits to the tunnel communication control unit 23 of the second information processing device 2 that the tunnel communication is to be ended.
- This transmission may be performed via the tunnel management device 4 or may be performed directly.
- the tunnel communication control unit 23 ends the tunnel communication by the tunnel communication unit 22 accordingly. In this way, the tunnel communication between the first information processing device 1 and the second information processing device 2 is terminated (step S106).
- the communication control unit 41 When receiving the information indicating that the tunnel communication is to be ended (step S209), the communication control unit 41 obtains the remaining time from the tunnel communication information card corresponding to the device identifier “D001”, and also performs the tunnel communication. An instruction to delete the information is passed to the tunnel communication information management unit 42. Then, the tunnel communication information management unit 42 deletes the tunnel communication information corresponding to the device identifier “D001” (step S210). Assuming that the tunnel communication information at the time when the communication control unit 41 receives the information to end the tunnel communication is shown in FIG. 8B, the communication control unit 41 acquires the remaining time ⁇ 253 minutes 45 seconds '', User information shown in Figure 7 The remaining time is recorded by overwriting as the communicable time corresponding to user U001 in.
- the tunnel communication information becomes as shown in FIG. 8C as time passes.
- the maintenance information request unit 15 transmits a transmission request to the tunnel management device 4 (step S103)
- the transmission request is received by the request reception unit 43
- the request information is accumulated (step S206), and the tunnel communication is performed.
- the maintenance information is transmitted with reference to the information (step S207).
- the maintenance information indicates that tunnel communication cannot be maintained because the remaining time of the tunnel communication information is 0.
- the communication control unit 41 determines that the tunnel communication is to be terminated based on the maintenance information received from the maintenance information transmitting unit 45 (step S208), and issues an instruction to delete the tunnel communication information to the tunnel communication information management. Pass to part 42. As a result, the tunnel communication information is deleted.
- the communicable time corresponding to the user identifier “U001” in the user information is set to “0”.
- the maintenance information receiving unit 13 receives the maintenance information indicating that the tunnel communication cannot be maintained (steps S104 and S105), and notifies the tunnel communication control unit 14 and the maintenance information requesting unit 15 that the tunnel communication cannot be maintained. Tell As a result, the timekeeping in the maintenance information requesting unit 15 is terminated, and control for ending the tunnel communication is performed by the tunnel communication control unit 14 (step S106).
- a third party detects that illegal data is being transmitted and received, and It is assumed that the device identifier “D001” of the first information processing device 1 has been obtained by a predetermined method.
- the third party operates a device identifier "D001" as information for identifying tunnel communication and an instruction to end the tunnel communication. Is transmitted to the tunnel management device 4 including the following.
- the tunnel control information is received by the control information receiving unit 46 (step S211), and is passed to the information changing unit 47.
- the information changing unit 47 changes the remaining time in the tunnel communication information corresponding to the device identifier “D001” included in the tunnel control information to “0”.
- An instruction is issued to the tunnel communication information management unit 42 as described above.
- the remaining time of the tunnel communication information corresponding to the device identifier "D001” becomes "0" as shown in FIG. 8C (step S212).
- the timing when the next transmission request is transmitted is transmitted (step S212)
- the maintenance information indicating that the tunnel communication cannot be maintained is transmitted (step S207), and the tunnel communication is terminated (steps S104 to S106).
- the tunnel communication information may include a communication availability flag instead of the remaining time.
- the communication availability flag is a flag indicating whether tunnel communication can be performed. In this case, if the communication permission flag is “1”, the maintenance information transmitting unit 45 determines that tunnel communication can be performed, and transmits maintenance information indicating that tunnel communication can be maintained. If the flag is “0”, it is determined that tunnel communication cannot be performed, and maintenance information indicating that tunnel communication cannot be maintained is transmitted.
- the tunnel communication information shown in Fig. 8 instead of the remaining time, there is a communication time that is the time for performing the tunnel communication and an upper limit time that is the upper limit time for performing the tunnel communication. You may do so.
- the communication time is counted up by the tunnel communication information management unit 42 as time elapses, and if the communication time exceeds the upper limit time, maintenance information indicating that tunnel communication cannot be maintained is transmitted (step (S207), the tunnel communication is terminated (steps S208, S210).
- the tunnel communication can be performed within the communicable time by paying a fee for the communicable time as much as possible.
- the communication time is billing information that is billing information for tunnel communication.
- the algorithm for charging for tunnel communication does not matter.
- the maintenance information is transmitted from tunnel management device 4 to first information processing device 1, and tunnel communication is performed based on the maintenance information.
- tunnel communication is performed based on the maintenance information.
- the tunnel communication may be terminated by transmitting the tunnel control information to the tunnel management device 4 or the like.
- the communication time during which tunnel communication is performed and the remaining time during which tunnel communication can be performed are managed using tunnel communication information, so that the time during which tunnel communication can be performed is managed. Therefore, charging for tunnel communication or the like may be possible.
- the tunnel communication between the plurality of information processing devices is managed by the tunnel management device 4 so that the traffic (the communication line 3 Data amount).
- the request storage unit 44 stores the time at which a transmission request was received in association with a device identifier.
- this is merely an example, and May be stored.
- information for identifying the tunnel communication a tunnel identifier, a device identifier of two information processing apparatuses performing the tunnel communication, and the like may be stored in association with time and the like.
- request storage unit 44 stores information for identifying tunnel communication.
- request storage unit 44 simply identifies the information processing apparatus that has transmitted the transmission request.
- Information (in this case, tunnel information may not be identified by this information! /,) May be stored in association with time etc.!.
- the maintenance information is transmitted from tunnel management device 4 also at the start of the tunnel communication (step S204), but the maintenance information is transmitted at the start of the tunnel communication. It is not necessary. If the maintenance information is not transmitted, the maintenance information requesting unit 15 starts counting time with the start of the tunnel communication.
- a communication system according to a second embodiment of the present invention will be described with reference to the drawings.
- the configuration of the communication system according to the present embodiment is the same as that shown in FIGS. 1 to 4 of Embodiment 1 except that the sequence of processing by each component is different. The description is omitted.
- FIG. 11 is a flowchart showing an operation of the first information processing device 1 according to the present embodiment.
- processes other than step S301 are the same as those in the flowchart of FIG. 5 according to the first embodiment, and a description thereof will be omitted.
- Step S301 The tunnel communication control unit 14 determines whether to end the tunnel communication. Then, to terminate the tunnel communication, the process proceeds to step S106, otherwise, the process returns to step S102.
- FIG. 12 is a flowchart showing the operation of the tunnel management device 4 according to the present embodiment.
- processes other than steps S401 and S402 are the same as those in the flowchart of FIG. 7 of the first embodiment, and a description thereof will be omitted.
- the tunnel communication information management unit 42 updates the information of the record for which the maintenance information is to be transmitted. For example, a predetermined time is added to the remaining time indicating the remaining time during which tunnel communication can be performed, and the predetermined time is added to the total time indicating the total time of performing tunnel communication.
- Step S402 The communication control unit 41 determines whether or not the record in which the remaining time is “0” is included in the tunnel communication information. If it is included, the process proceeds to step S210 to end the tunnel communication corresponding to the record, and otherwise, the process proceeds to step S211.
- the operation of the second information processing device 2 is the same as that of the first embodiment, and a description thereof will be omitted.
- Steps S201, S202 are the same as in the first embodiment, and a description thereof will be omitted.
- the tunnel communication information management unit 42 When the tunnel communication information management unit 42 receives the device identifier “D001”, the device identifier “D002”, and the communicable time “300 minutes” from the communication control unit 41, the tunnel communication information management unit 42 performs tunnel communication based on these.
- a new record of information is created (step S203).
- the communicable time “300 minutes” is recorded as the upper limit time. This upper limit time indicates the upper limit time during which tunnel communication can be performed.
- the total time “10 minutes” and the remaining time “10 minutes” are set as defaults. The remaining time is counted down as time elapses.
- Figure 13A shows that 15 seconds have passed since the record was created. In this specific example, it is assumed that the total time and the remaining time included in the tunnel communication information are updated so as to increase by “10 minutes” each time a transmission request for the maintenance information is received.
- the tunnel communication control unit 14 of the first information processing device 1 causes the tunnel communication unit 12 to start tunnel communication based on the address information transmitted from the tunnel management device 4. Also, the maintenance information is received by the maintenance information receiving unit 13, and the tunnel maintenance time information indicating the tunnel maintenance time “9 minutes 45 seconds” included in the maintenance information is passed to the maintenance information requesting unit 15, so that the maintenance information is received. The time counting in the information requesting unit 15 is started (step S101).
- the maintenance information requesting unit 15 measures the maintenance information when the measured time becomes "9 minutes 30 seconds" obtained by subtracting "15 seconds” from the tunnel maintenance time "9 minutes 45 seconds”. It is determined that it is time to request (step S102), and a transmission request for requesting transmission of the maintenance information is transmitted to the tunnel management device 4 (step S103).
- This transmission request includes the device identifier “D001”.
- the timing for requesting the maintenance information is determined based on the time obtained by subtracting “15 seconds” from the tunnel maintenance time. If, for example, about 5 seconds is required for the transmission of the communication, the tunnel communication is terminated (steps S402 and S210).
- the maintenance information transmitting unit 45 subtracts a predetermined time (for example, 15 seconds) from the tunnel maintenance time in advance, and the maintenance information requesting unit 15 measures the time.
- the transmission request may be made when the time during which the time has elapsed becomes the tunnel maintenance time.
- the request receiving unit 43 receives the transmission request (Step S205), passes the device identifier "DOO 1" to the request storage unit 44, and includes the device identifier "D001" and the header in the transmission request.
- the IP address of the first information processing device 1 and an instruction to transmit the maintenance information are passed to the maintenance information transmitting unit 45.
- the storage of the request information is the same as that of the specific example of the first embodiment, and the description thereof will not be repeated.
- the maintenance information transmitting unit 45 refers to the record of the tunnel communication information corresponding to the device identifier "D001". Since the total time "20 minutes” does not exceed the upper limit time "300 minutes”, the tunnel maintenance is performed.
- the maintenance information indicating that the tunnel communication can be maintained including the tunnel maintenance time information indicating the time “10 minutes 15 seconds”, is transmitted to the first information processing device 1 (step S207). Also, the maintenance information is passed to the communication control unit 41, and it is determined that the tunnel communication is not to be ended (step S208).
- the maintenance information receiving unit 13 receives the maintenance information (step S104), determines that the tunnel communication can be maintained (step S105), and maintains the tunnel indicating the tunnel maintenance time "10 minutes 15 seconds". The time information is passed to the maintenance information request unit 15. Then, the maintenance information request unit 15 newly starts time measurement. By repeating such an operation, tunnel communication is maintained.
- the tunnel communication control unit 14 It is determined that the communication is to be ended (step S301), and the tunnel communication unit 12 is controlled to end the tunnel communication (step S106). Also, the tunnel communication control unit 14 transmits an instruction to end the timing and end the transmission of the transmission request to the maintenance information requesting unit 15 via the maintenance information receiving unit 13. As a result, transmission of the transmission request is not performed.
- the tunnel communication information is shown in FIG. 13C.
- the request receiving unit 43 receives the transmission request for transmitting the maintenance information (step S205)
- the tunnel communication information is updated (step S401), and the total time becomes 310 minutes.
- the maintenance information transmitting unit 45 determines that tunnel communication cannot be maintained because the total time exceeds the upper limit time, and transmits maintenance information indicating that tunnel communication cannot be maintained (step S207).
- first information processing device 1 receives the maintenance information indicating that the tunnel cannot be maintained is the same as the specific example in Embodiment 1, and the description thereof will be omitted.
- the control information receiving unit 46 receives the tunnel control information including the device identifier “D001” and the instruction to end the tunnel communication (step S211)
- the information changing unit 47 sets the device identifier “D001” to The remaining time in the corresponding tunnel communication information record is set to “0”. Then, it is determined that the remaining time is “0” (step S402), and the record is deleted (step S210). After that, even if a transmission request to transmit the maintenance information corresponding to the device identifier “D001” is accepted (step S205), as shown in FIG. 13D, a corresponding record exists in the tunnel communication information.
- step S207 maintenance information indicating that the tunnel cannot be maintained is transmitted (step S207), and the tunnel communication is terminated (steps S105 and S106).
- step S105 and S106 since the corresponding record in the tunnel communication information has already been deleted, the deletion processing in step S210 is not performed.
- maintenance information requesting section 15 may transmit a transmission request to tunnel management apparatus 4 at predetermined time intervals. ! / ,. However, in this case, it is necessary to make the time interval for transmitting the transmission request equal to the time interval for adding a predetermined time to the remaining time and the total time in the tunnel communication information.
- an upper limit time is provided in the tunnel communication information!
- the upper limit time is not set and each time a transmission request for the maintenance information is made.
- the tunnel communication information may be changed.
- the information changing unit 47 determines the remaining time, the upper limit time, and the like according to the charge.
- the tunnel communication information may be changed so as to increase only the number.
- a communication system according to a third embodiment of the present invention will be described with reference to the drawings.
- the first information processing device The tunnel control information about the length is transmitted to the tunnel management device.
- the configuration of the communication system according to the present embodiment is the same as that of the first embodiment except that the first information processing device 1 is the first information processing device 5, and the tunnel management device 4 is the tunnel management device 6. It is the same as FIG. 1 and its description is omitted.
- FIG. 15 is a block diagram showing a configuration of the first information processing device 5 according to the present embodiment.
- the first information processing device 5 includes a communication unit 11, a tunnel communication unit 12, a maintenance information reception unit 13, a tunnel communication control unit 14, a maintenance information request unit 15, and a tunnel control information transmission.
- a part 16 is provided.
- the configuration and operation other than the tunnel control information transmitting unit 16 are the same as those in the first embodiment, and a description thereof will be omitted.
- Tunnel control information transmitting section 16 transmits tunnel control information.
- the tunnel control information is information related to control of tunnel communication.
- the tunnel control information transmitted by the tunnel control information transmitting unit 16 is information requesting an extension of the time during which tunnel communication can be performed. This tunnel control information may be, for example, information for requesting extension of the tunnel maintenance time.
- the tunnel control information transmitting unit 16 may or may not include a transmitting device (for example, a modem or a network card) for performing transmission.
- tunnel control information transmitting section 16 may be realized by hardware, or may be realized by software such as a driver for driving a transmitting device.
- FIG. 16 is a block diagram showing a configuration of the tunnel management device 6 according to the present embodiment.
- the tunnel management device 6 includes a communication control unit 41, a tunnel communication information management unit 42, a request reception unit 43, a request accumulation unit 44, a maintenance information transmission unit 45, and a control information reception unit 46. , An information changing unit 47 and a change determining unit 48.
- the configuration and operation other than the change determination unit 48 are the same as those in the first embodiment, and a description thereof will not be repeated.
- the change determining unit 48 determines whether to change the tunnel communication information based on the tunnel control information. This determination is made based on whether or not it is appropriate to change the tunnel communication information based on the tunnel control information received by the control information receiving unit 46.
- the change determination unit 48 can perform the tunnel communication transmitted from the first information processing device 5. It is determined whether or not the time during which tunnel communication can be performed can be extended based on the tunnel control information requesting extension of the time allowed. A specific example of the determination will be described later.
- the information changing unit 47 changes the tunnel communication information based on the tunnel control information received by the control information receiving unit 46.
- FIG. 17 is a flowchart showing the operation of the first information processing apparatus 5.
- FIG. 18 is a flowchart showing the operation of the tunnel management device 6.
- steps S501 and S502 are the same as those in the flowchart of FIG. 5 according to the first embodiment, and a description thereof will be omitted.
- Step S501 The tunnel control information transmitting unit 16 determines whether or not it is time to transmit tunnel control information. If it is time to transmit the tunnel control information, the process proceeds to step S502; otherwise, the process returns to step S102.
- the tunnel control information transmitting unit 16 transmits tunnel control information. Then, the process proceeds to step S104.
- the tunnel control information may be, for example, information received from another component, or may be configured in the tunnel control information transmitting unit 16 or may be configured as a tunnel.
- the control information may be stored and stored in a predetermined accessible recording medium! ,.
- FIG. 17 shows a flowchart for receiving the maintenance information after transmitting the tunnel control information
- the maintenance information may not be received after transmitting the tunnel control information.
- Step S601 The change determining unit 48 determines whether to change the tunnel communication information based on the tunnel control information received by the control information receiving unit 46. When it is determined that the tunnel communication information is to be changed, the process proceeds to step S212, otherwise, the process proceeds to step S212. Then, the process returns to step S201.
- Step S602 The information changing unit 47 determines whether or not the change in the tunnel communication information performed in step S212 is a change that extends the time during which tunnel communication can be performed. Then, if the change is to extend the time during which tunnel communication can be performed, the process proceeds to step S603; otherwise, the process returns to step S201.
- Step S603 The maintenance information transmitting unit 45 transmits the maintenance information relating to the tunnel communication in which the time during which the tunnel communication can be performed is extended in step S212. Then, the process returns to step S201.
- FIG. 18 shows a flowchart of transmitting the maintenance information after receiving the tunnel control information for extending the time during which the tunnel communication can be performed, the tunnel communication can be performed. Even if the tunnel control information for extending the time is received, the maintenance information need not be transmitted.
- the operations of transmitting the transmission request by the maintenance information requesting unit 15 and transmitting the maintenance information in response to the transmission request are the same as those of the specific example of the first embodiment, and the description thereof is omitted. I do.
- the maintenance information includes the remaining time of the tunnel communication. Therefore, the user of the first information processing device 5 can know how long the tunnel communication can be continued by referring to the remaining time included in the maintenance information.
- a description will be given of transmission of tunnel control information for extending the time during which tunnel communication can be performed, and a process related to a change in tunnel communication information based on the tunnel control information.
- the first information processing device 5 identified by the device identifier “D001” and the second information processing device 2 identified by the device identifier “D002” It is assumed that tunnel communication is performed between.
- the user of the first information processing device 5 operates a predetermined input device (not shown) to issue an instruction to extend the communication time.
- the instruction is received by the input receiving unit (not shown), and the tunnel control information transmitting unit 16 determines that it is time to transmit the tunnel control information (step S501).
- the tunnel system The control information transmitting unit 16 reads the tunnel control information stored in a recording medium (not shown) and transmits the tunnel control information to the tunnel management device 6 (step S502).
- the tunnel control information includes an instruction to extend the tunnel maintenance time (remaining time) by 300 minutes and the device identifier “D001” of the first information processing device 5.
- the tunnel control information is received by the control information receiving unit 46 (Step S211).
- the change determining unit 48 determines whether to change the tunnel communication information in response to the instruction to extend the tunnel maintenance time received by the control information receiving unit 46 by 300 minutes (step S601). Specifically, the change determination unit 48 holds a table indicating whether the user identifier shown in FIG. 19 and the credit card number are registered. Then, using the device identifier “D001” included in the tunnel control information received by the control information receiving unit 46, the change determining unit 48 accesses the user information shown in FIG. It is determined that the user's power is “U001”. Also, referring to the table in FIG. 19, since the credit card number of the user is registered, the change determining unit 48 can charge the user with the credit card in which the number is registered.
- the information changing unit 47 adds “300 minutes” to the remaining time for the record whose device identifier is “D001” in the tunnel communication information (step S212). It is assumed that the tunnel communication information is as shown in FIG.
- the information changing unit 47 determines that the tunnel communication information has been changed to extend the time during which the tunnel communication can be performed (step S602), and transmits the maintenance information to the maintenance information transmitting unit 45 via a path (not shown). Give instructions to send. Then, the maintenance information transmitting unit 45 transmits the maintenance information including the remaining time “323 minutes and 5 seconds” to the first information processing device 5 with reference to the tunnel communication information of FIG. 20 (step S603).
- the maintenance information is received by the maintenance information receiving unit 13 (step S104), and it is determined that the communication can be maintained (step S105), and the tunnel communication is maintained. Further, since the remaining time of the tunnel communication information held in the tunnel management device 6 has been extended, the first information processing device 5 and the second information processing device 2 have a longer period of time. , Tunnel communication can be performed. [0129] In this specific example, the case where the tunnel communication information is changed based on the tunnel control information for extending the time during which the tunnel communication can be performed has been described. When the same tunnel control information is transmitted from the information processing device operated by the user identified by the user identifier “U002”, it is determined that the credit card number is not registered, and the tunnel communication information is changed. Therefore, the time during which tunnel communication can be performed will not be extended.
- the tunnel control information transmitted from the first information processing device 5 to extend the time during which tunnel communication can be performed is performed based on the tunnel control information.
- the remaining time of the communication information can be extended, for example, when the user wants to extend the tunnel communication, the time during which the tunnel communication can be performed can be extended.
- the tunnel communication information is changed.
- change determination section 48 determines whether or not the tunnel communication information can be changed based on whether or not the credit card number has been registered.
- the unit 48 may make the judgment based on other criteria.
- the change judging unit 48 has, for example, information indicating the degree of trust associated with the user identifier and the device identifier. For the highly reliable user and the device power, the tunnel control information is transmitted by the tunnel communication. It is not necessary to change the tunnel communication information for the information that has been changed and the tunnel control information transmitted by the user or the device with low creditworthiness. Further, the change determination unit 48 determines whether the tunnel communication information to be changed based on the tunnel control information is managed by the tunnel communication information management unit 42, and if not, performs the change. May not be determined (for example, If the tunnel control information to extend the time during which tunnel communication can be performed is received, and the tunnel management information to be changed by the tunnel control information has already been deleted, the change is performed. It will be determined not to do so).
- the change determining unit 48 determines whether to change the tunnel communication information for the tunnel control information including the instruction to extend the time during which the tunnel communication can be performed.
- the force change determination unit 48 described above may determine whether to change the tunnel communication information for other tunnel control information based on the tunnel control information. For example, when tunnel control information including an instruction to set the tunnel maintenance time of the tunnel communication information to “0” is received, it may be determined whether or not the tunnel control information is valid. More specifically, when tunnel control information is received by communication, if the source address is a registered address, it is determined to be valid tunnel control information, and the address is registered. , It may be determined that the tunnel control information is not valid.
- the tunnel control information input by the input device When the tunnel control information input by the input device is received, an authentication process is performed based on the password and the like input together with the tunnel control information! ⁇ , and if it is authenticated, the valid tunnel control is performed. It may be judged that the information is information, and if not!
- tunnel control information for extending the time during which tunnel communication can be performed is transmitted from the first information processing apparatus, and the tunnel Description of communication system in which time during which tunnel communication can be performed in accordance with control information is extended
- the same processing is performed to extend the time during which tunnel communication can be performed. You may be able to do it.
- the tunnel management device when the tunnel management device receives tunnel control information indicating that the time during which tunnel communication can be performed is extended, based on the tunnel control information, The maximum time may be extended or the remaining time may be extended.
- the tunnel management apparatus includes the request storage unit 44 .
- the tunnel management device does not need to include the request accumulation unit 44.
- the first information processing device or the like accesses the tunnel communication device via the access device.
- FIG. 21 is a diagram showing a configuration of a communication system according to the present embodiment.
- the communication system according to the present embodiment includes a first information processing device 1, a second information processing device 2, an access device 7, and a tunnel management device 8. It should be noted that the transmission request of the maintenance information is transmitted to the access device 7 instead of the tunnel management device 8 and the process related to the establishment of the tunnel communication between the first information processing device 1 and the second information processing device 2 is accessed.
- the first information processing device 1 and the second information processing device 2 are the same as those of the first embodiment except for the point performed by the device 7, and the description thereof is omitted.
- FIG. 22 is a block diagram showing a configuration of access device 7 according to the present embodiment.
- the access device 7 includes a request reception unit 71, a request transmission unit 72, a maintenance information reception unit 73, a maintenance information transmission unit 74, a communication control unit 75, a control information reception unit 76, a change It comprises a judging unit 77 and a control information transmitting unit 78.
- Request receiving section 71 receives a transmission request to transmit maintenance information, which is information relating to maintenance of tunnel communication between a plurality of devices.
- This transmission request is, for example, one transmitted from the first information processing device 1.
- the request receiving unit 71 may or may not include a receiving device (for example, a modem or a network card) for receiving (in this case, the request receiving unit 71 and the communication line 3). There is a receiving device (not shown) between the two.)
- the request receiving unit 71 may be realized by hardware, or may be realized by software such as a driver for driving a receiving device.
- the request transmitting unit 72 transmits the transmission request to the tunnel management device 8.
- the request transmitting unit 72 may or may not include a transmission device (for example, a modem or a network card) for performing transmission (in this case, the request transmitting unit 72 and the communication line 3). Transmission device not shown between Will exist).
- the request transmitting unit 72 may be realized by hardware, or may be realized by software such as a driver for driving a transmitting device.
- the maintenance information receiving unit 73 receives the maintenance information transmitted from the tunnel management device 8.
- the maintenance information receiving unit 73 may or may not include a receiving device (for example, a modem or a network card) for performing reception. There will be a receiving device not shown between the communication line 3). Further, the maintenance information receiving unit 73 may be realized by hardware, or may be realized by software such as a driver for driving the receiving device.
- a receiving device for example, a modem or a network card
- the maintenance information transmitting unit 74 transmits the maintenance information.
- the maintenance information transmitting unit 74 transmits the maintenance information to the first information processing device 1, for example.
- the maintenance information transmitting unit 74 may or may not include a transmission device (for example, a modem or a network card) for performing transmission (in this case, communication with the maintenance information transmitting unit 74).
- a transmission device exists between the transmission device and the line 3).
- the maintenance information transmitting unit 74 may be realized by hardware, or may be realized by software such as a driver for driving the transmitting device.
- the communication control unit 75 performs a process for establishing tunnel communication between the first information processing device 1 and the second information processing device 2. For example, the communication control unit 75 transmits address information that is information indicating the IP address of the second information processing device 2 to the first information processing device 1 that performs the tunnel communication.
- the control information receiving unit 76 receives tunnel control information.
- the tunnel control information is information related to the control of tunnel communication as described in the first embodiment.
- the control information receiving unit 76 receives, for example, tunnel control information transmitted via the communication line 3 which can receive tunnel control information in which an input device (for example, a keyboard, a mouse, a touch panel, etc.) is also input. You may. In the present embodiment, a case where tunnel control information is received via communication line 3 will be described.
- the change determining unit 77 Based on the tunnel control information, it is determined whether to change the tunnel communication information managed by the tunnel management device 8. This determination is made based on whether it is appropriate to change the tunnel communication information based on the received tunnel control information, as in the case of the change determination unit 48. Note that determining whether to change the tunnel communication information based on the tunnel control information by the change determining unit 77 includes determining whether to transmit the tunnel control information to the tunnel management device 8 or the like. Shall be taken. When the change determining unit 77 determines to change the tunnel communication information based on the tunnel control information, the tunnel management device 8 determines whether or not to actually change the tunnel communication information in the tunnel management device 8.
- the determination may be made again (in this case, even if the change determination unit 77 determines that the tunnel communication information is to be changed, the tunnel communication information may not actually be changed), or the tunnel management device 8 Then, it is not necessary to make such a judgment. In the present embodiment, the latter case will be described.
- control information transmitting unit 78 transmits the tunnel control information to the tunnel management device 8.
- the control information transmitting unit 78 may or may not include a transmission device (for example, a modem or a network card) for performing transmission (in this case, the control information transmitting unit 78 communicates with the control information transmitting unit 78).
- a transmission device (not shown) exists between the transmission device and the line 3).
- Control information transmitting section 78 may be realized by hardware, or may be realized by software such as a driver for driving a transmitting device.
- FIG. 23 is a block diagram showing a configuration of tunnel management device 8 according to the present embodiment.
- the tunnel management device 8 includes a tunnel communication information management unit 42, a request reception unit 43, a maintenance information transmission unit 45, an information change unit 47, and a control information reception unit 81.
- the components of the tunnel management device 8 other than the control information receiving unit 81 are the same as those in the first embodiment, and a description thereof will be omitted.
- the control information receiving unit 81 is the same as the control information receiving unit 46 of the first embodiment except that the control information receiving unit 81 receives the tunnel control information instead of receiving the tunnel control information, and a description thereof will be omitted.
- the request receiving unit 43 receives the transmission request transmitted from the access device 7, and the maintenance information transmitting unit 45 transmits the maintenance information to the access device 7.
- the control information receiving unit 81 receives the control information transmitted from the access device 7.
- the transmission and reception of information between the access device 7 and the tunnel management device 8 may be performed, for example, via the communication line 3 or via a dedicated line.
- FIG. 24 is a flowchart showing the operation of the access device 7.
- FIG. 25 is a flowchart showing the operation of the tunnel management device 8.
- Step S701 The communication control unit 75 determines whether or not it has received a request to start tunnel communication. If accepted, the process proceeds to step S702; otherwise, the process proceeds to step S706.
- Step S702 The communication control unit 75 transmits the address information indicating the address of the information processing device that is the partner of the tunnel communication to the information processing device that has transmitted the request to start the tunnel communication.
- the address information may include, for example, a port number and the like in addition to the address.
- the communication control unit 75 passes information for identifying the tunnel communication (for example, information for identifying each information processing device performing the tunnel communication) to the control information transmitting unit 78.
- Step S703 The control information transmitting unit 78 sends the tunnel control information including the information for identifying the tunnel communication received from the communication control unit 75 and a request to start the tunnel communication to the tunnel management device 8. Send.
- Step S704 The maintenance information receiving unit 73 determines whether the maintenance information transmitted from the tunnel management device 8 has been received. If it is received, the process proceeds to step S705, and if it is not received, the process of step S704 is repeated until it is received.
- Step S705 The maintenance information transmitting unit 74 transmits the maintenance information received by the maintenance information receiving unit 73 to the information processing device that performs tunnel communication. Then, the process returns to step S701.
- Step S706 The request receiving section 71 determines whether a request to transmit the maintenance information has been received. If it has been received, the process proceeds to step S707, and if it has not been received, the process proceeds to step S711. [0157] (Step S707) The request transmitting section 72 transmits the transmission request for the maintenance information received by the request receiving section 71 to the tunnel management device 8.
- Step S708 The maintenance information receiving unit 73 determines whether the maintenance information transmitted from the tunnel management device 8 has been received. If it is received, the process proceeds to step S709. If it is not received, the process of step S708 is repeated until it is received.
- Step S709 The maintenance information transmitting unit 74 transmits the maintenance information received by the maintenance information receiving unit 73 to the information processing device that performs tunnel communication.
- Step S 710 Communication control section 75 determines whether or not the maintenance information transmitting section 74 has transmitted the maintenance information to end the tunnel communication. Then, to terminate the tunnel communication, the process proceeds to step S712, otherwise, the process returns to step S701.
- Step S711 The communication control unit 75 determines whether or not information indicating that the tunnel communication is to be ended has been received from the information processing apparatus that is performing the tunnel communication. Then, if received, the process proceeds to step S712; otherwise, the process proceeds to step S713.
- Step S712 The control information transmitting unit 78 transmits tunnel control information for terminating the tunnel communication to the tunnel management device 8. Then, the process returns to step S701.
- Step S713 The control information receiving unit 76 determines whether tunnel control information has been received. If tunnel control information has been received, the process proceeds to step S714; otherwise, the process returns to step S701.
- Step S714 The change determining unit 77 determines whether to change the tunnel management device based on the tunnel control information received by the control information receiving unit 76. If it is determined that the tunnel communication information is to be changed, the process proceeds to step S715; otherwise, the process proceeds to step S715.
- Step S715 The control information transmitting unit 78 transmits the tunnel control information received by the control information receiving unit 76 to the tunnel management device 8. Then, the process returns to step S701.
- Step S801 The control information receiving unit 81 transmits tunnel control information to start communication. Judge whether the received power. If tunnel control information indicating that communication is to be started is received, the process proceeds to step S802; otherwise, the process proceeds to step S804.
- Step S802 The information changing unit 47 accumulates tunnel communication information based on the tunnel control information received by the control information receiving unit 81. This accumulation is performed, for example, by creating a new record of tunnel communication information.
- Step S803 The maintenance information transmitting unit 45 refers to the tunnel communication information managed by the tunnel communication information management unit 42, and transmits the maintenance information. Then, the process returns to step S801.
- Step S804 The request receiving unit 43 determines whether or not a request for transmitting the maintenance information has been received. If a transmission request for the maintenance information has been received, the process proceeds to step S805, and if not, the process proceeds to step S806.
- Step S805 The maintenance information transmitting unit 45 transmits the maintenance information based on the tunnel communication information managed by the tunnel communication information management unit 42. Then, the process returns to step S801.
- the maintenance information transmitted by the maintenance information transmitting unit 45 is maintenance information on tunnel communication performed by the information processing apparatus that has transmitted the transmission request of the maintenance information received by the request receiving unit 43.
- Step S806 The control information receiving unit 81 determines whether or not it has received tunnel control information. If the tunnel control information has been received, the process proceeds to step S807; otherwise, the process returns to step S801.
- Step S807 The information changing unit 47 changes the tunnel communication information managed by the tunnel communication information management unit 42 based on the tunnel control information received by the control information receiving unit 81. Then, the process returns to step S801.
- the processing is ended by powering off or interruption for aborting the processing.
- the first information processing device 1 and the second information processing device 2 each transmit a device identifier to the access device 7, and in the user information held by the communication control unit 75 of the access device 7,
- the process of registering the IP address of the first information processing device 1 and the like is the same as in the specific example of the first embodiment, and a description thereof will be omitted.
- the tunnel communication control unit 14 of the first information processing device 1 performs tunnel communication with the device identifier “D002” of the second information processing device 2 and the second information processing device 2. Is transmitted to the access device 7. Then, the communication control unit 75 receives the device identifier “D002” and a request to perform tunnel communication (step S701). Then, the communication control unit 75 refers to the user information, configures the address information indicating the IP address “202.132.10.6” corresponding to the device identifier “D002”, and stores the address information in the first information. It is sent to the IP address of the processing device 1 (step S702).
- the communication control unit 75 includes a communication available time “300 minutes”, a device identifier “D001” of the first information processing device 1 as information for identifying tunnel communication, and a The device identifier “D002” is passed to the control information transmitting unit 78.
- the control information transmitting unit 78 configures tunnel control information including these, and sends the tunnel control information to the tunnel management device 8. Send it (step S703).
- the tunnel control information is received by control information receiving section 81 (step S801). Then, a new record of the tunnel communication information shown in FIG. 8A is stored in the tunnel communication information management unit 42 (step S802). The remaining time of the record of the tunnel communication information shown in FIG. 8A is counted down as time elapses, as in the specific example of the first embodiment.
- the maintenance information transmitting unit 45 configures maintenance information indicating that tunnel communication can be maintained because the remaining time of the newly stored tunnel communication information record exceeds 0 in tunnel communication.
- the maintenance information is transmitted to the access device 7 (step S803).
- the maintenance information is received by the maintenance information receiving unit 73 of the access device 7 (step S704), and is transmitted by the maintenance information transmitting unit 74 to the first information processing device 1 that transmitted the communication start request (step S704). Step S705).
- the tunnel communication control unit 14 of the first information processing device 1 receives the address information transmitted from the access device 7, and performs tunnel communication with the second information processing device 2 based on the address information.
- the tunnel communication unit 12 is started.
- the maintenance information transmitted from the access device 7 is received by the maintenance information receiving unit 13 and the fact that the maintenance information has been received is transmitted to the maintenance information requesting unit 15, so that the maintenance information requesting unit 15
- the timer starts counting time from seconds (step S101).
- the maintenance information requesting unit 15 determines that it is time to request the transmission of the maintenance information after 10 minutes from the start of the timekeeping and the power has passed (step S102), and the transmission is performed to request the transmission of the maintenance information.
- the request is transmitted to the access device 7 (step S103).
- the transmission request includes an instruction to transmit the maintenance information and a device identifier “D001”.
- tunnel communication is identified by the device identifier “D001” of the first information processing device 1.
- the transmission request is received by request receiving section 71 of access device 7 (step S706).
- the device identifier “D001” and the address information indicating the IP address of the first information processing device 1 included in the header of the transmission request are passed to the maintenance information transmitting unit 74, and the transmission request is It is transmitted to the tunnel management device 8 by the transmission unit 72 (step S707).
- the transmission request is received by the request receiving unit 43 of the tunnel management device 8 (step S804), and the device identifier “D001” and an instruction to transmit the maintenance information are passed to the maintenance information transmitting unit 45. .
- the maintenance information transmitting unit 45 refers to the record of the tunnel communication information corresponding to the device identifier “DOO 1” included in the transmission request. Then, since the remaining time of the record is approximately 290 minutes, maintenance information indicating that the tunnel can be maintained is transmitted to the access device 7 (step S805).
- the maintenance information is received by the maintenance information receiving unit 73 of the access device 7, and is passed to the maintenance information transmitting unit 74 (Step S708).
- the maintenance information transmitting unit 74 transmits the maintenance information received from the maintenance information receiving unit 73 to the IP address of the first information processing device 1 passed from the request receiving unit 71 (Step S709). Also, the maintenance information is passed to the communication control unit 75, and it is determined that the tunnel communication is not to be ended! / ⁇ (step S710).
- Maintenance information reception unit 13 receives the transmitted maintenance information (step S104), and determines that tunnel communication can be maintained (step S105). Then, the clock in the maintenance information requesting unit 15 is reset, and a new clock is started (step S102). By repeating such operations, tunnel communication is continued.
- the tunnel communication unit 12 informs the tunnel communication control unit 14 to that effect.
- tunnel communication control section 14 determines that the tunnel communication is to be ended (step S107), and transmits information to end the tunnel communication to access device 7 (step S108). It is assumed that this information includes information indicating that the tunnel communication is to be terminated and a device identifier “D001” as information for identifying the tunnel communication.
- the communication control unit 75 Upon receiving the information to end the tunnel communication (step S711), the communication control unit 75 transmits the tunnel control information including the information to end the tunnel communication corresponding to the device identifier "D001". The instruction is passed to the control information transmitting unit 78. Then, the control information transmitting unit 78 transmits tunnel control information including information indicating that the tunnel communication corresponding to the device identifier “D001” is to be terminated to the tunnel management device 8 (Step S712).
- the tunnel control information is received by the control information receiving unit 81 of the tunnel management device 8 (step S806), and the information changing unit 47 deletes the tunnel communication information corresponding to the device identifier "D001" (step S806). S807). Before this deletion, the remaining time of the tunnel communication information is also acquired, and information indicating the remaining time is transmitted from the tunnel management device 8 to the access device 7 via a route (not shown). As the communicable time corresponding to the user U001 in the user information indicated by 7, the remaining time shall be overwritten and recorded.
- the tunnel communication is terminated when the remaining time runs out. It is assumed that the tunnel communication information becomes as shown in FIG. 8C as time passes. Thereafter, when the maintenance information request unit 15 transmits a transmission request to the access device 7 (step S103), the transmission request is received by the request reception unit 71 and transmitted to the tunnel management device 8 (step S706, S707). Then, the maintenance information is transmitted in the same way as described above. (Steps S804 and S805). However, the maintenance information in this case means that the tunnel communication cannot be maintained because the remaining time of the tunnel communication information is 0.
- the maintenance information is received by the maintenance information receiving unit 73 of the access device 7, transmitted to the first information processing device 1 by the maintenance information transmitting unit 74, and passed to the communication control unit 75 (step S708). , S709). Then, the communication control unit 75 determines that the tunnel communication is terminated (step S710), and terminates the tunnel communication corresponding to the device identifier “D001” by the control information transmitting unit 78 in the same manner as described above.
- the tunnel control information including the information to the effect is transmitted to the tunnel management device 8 (step S712). As a result, the tunnel communication information related to the device identifier “D001” is deleted (steps S806 and S807).
- the process in which the remaining time “0” is transmitted from the tunnel management device 8 to the access device 7 and the communication control unit 75 sets the communicable time corresponding to the user identifier “U001” of the user information to “0” is as follows. This is the same as described above.
- a third party detects that illegal data is being transmitted and received, and It is assumed that the device identifier “D001” of the first information processing device 1 has been obtained by a predetermined method.
- the third party operates a device identifier "D001" as information for identifying tunnel communication and an instruction to end the tunnel communication.
- the tunnel control information is received by the control information receiving unit 76 (Step S713).
- the change determination unit 77 determines whether or not the information processing device that has transmitted the tunnel control information is a device that has already been registered. In this case, it is assumed that the information has been registered in the address strength change determination unit 77 of the transmission source of the tunnel control information. Then, it is determined that the tunnel communication information can be changed (step S714), and the tunnel control information is transmitted to the tunnel management device 8 by the control information transmitting unit 78 (step S715). The tunnel control information is received by the control information receiving unit 81 (step S806). O The information changing unit 47 sets the remaining time in the tunnel communication information corresponding to the device identifier “D001” included in the tunnel control information. To "0".
- step S807 the remaining time of the tunnel communication information corresponding to the device identifier “D001” becomes “0” as shown in FIG. 8C (step S807).
- step S706 maintenance information indicating that tunnel communication cannot be maintained is transmitted, and the tunnel communication power s is terminated (steps S707—S710, S712, S804—).
- management related to tunnel communication can be performed using the information processing system provided with access device 7 and tunnel management device 8, and Embodiment 1 The same effect as described above can be obtained.
- the provision of the access device 7 and the tunnel management device 8 makes it possible to separate management of the tunnel maintenance time and acceptance of access from the information processing device.
- a plurality of access devices 7 may be provided for a single tunnel management device 8, and each access device 7 may provide a different tunnel communication service to the information processing device. .
- the tunnel control information received by the control information receiving unit 76 may be information requesting an extension of the time during which tunnel communication can be performed, as described in the third embodiment.
- the change determination unit 77 may perform the same determination processing as the change determination unit 48 of the third embodiment.
- access apparatus 7 includes change determination section 77.
- access apparatus 7 does not include change determination section 77, and control information transmission section 78 performs control All the tunnel control information received by the information receiving unit 76 may be transmitted to the tunnel management device 8.
- the tunnel management device 8 may include a change determining unit that determines whether to change the tunnel communication information based on the tunnel control information received by the control information receiving unit 81.
- processing for establishing communication between first information processing apparatus 1 and second information processing apparatus 2 in access apparatus 7 (for example, first information processing apparatus 1
- the process of notifying the address of the second information processing device 2 is performed, but this process may be performed by the tunnel management device 8!
- the tunnel management device in the communication system of the first embodiment includes the tunnel management device according to the present embodiment and an access device.
- the tunnel management device in the communication systems of modes 2 and 3 It may be configured by a tunnel management device and an access device similar to those of the embodiment.
- the access device 7 and the Z or the tunnel management device 8 provide a request storage unit (the same as the request storage unit 44 of the first embodiment) for storing information related to the transmission request of the maintenance information. ) May be provided.
- Tunnel communication may be identified using the device identifiers of both communicating information processing devices. Tunnel communication may be identified. Tunnel communication may be identified using a tunnel identifier unique to tunnel communication. / ⁇ . Therefore, the transmission request may include a tunnel identifier or the like. Also in the request information, a tunnel identifier may be stored instead of the device identifier. When a tunnel identifier is used, for example, even when two or more tunnel communications are performed by the first information processing device 1, the tunnel communication may be uniquely identified by the tunnel identifier. Will be out.
- the maintenance information in response to receiving a transmission request for requesting transmission of maintenance information, the maintenance information is transmitted to first tunnel information processing device 1 by tunnel management device 4.
- the tunnel information may be transmitted from the tunnel management device 4 or the like that is not related to the transmission request!
- the maintenance information transmitting unit 45 may transmit the maintenance information indicating that. Further, the maintenance information transmitting unit 45 may transmit the maintenance information based on the charging information included in the tunnel communication information.
- the billing information is information relating to billing.
- the “remaining time” may be the billing information. Therefore, for example, when the remaining time in the tunnel communication information becomes “0”, the maintenance information transmitting unit 45 transmits the maintenance information indicating that the communication cannot be performed to the first information processing apparatus 1. Good.
- the maintenance information transmitting unit 45 and the like may transmit the maintenance information to the second information processing device 2 together with the first information processing device 1.
- the first information processing apparatuses 1 and 5 transmit the maintenance information.
- a transmission request which is a request to request transmission
- the second information processing device 2 also transmits the transmission request to the It may be transmitted to the channel management device 4 or the like. Therefore, the tunnel management device 4 or the like may perform the tunnel communication! /, And may transmit the maintenance information to only one of the information processing devices. You can.
- the tunnel communication information management unit 42 in the first embodiment stores the tunnel communication information shown in FIG. 14, and the maintenance information transmission unit 45 stores the current time indicated by the clock and the communication start time. By making a comparison, it is determined whether or not the time during which tunnel communication is performed exceeds the upper limit time.If the time exceeds the upper limit time, maintenance information indicating that tunnel communication can be maintained is transmitted. In such a case, information indicating that tunnel communication cannot be maintained may be transmitted. Further, even in the case of the tunnel communication information management unit 42 in the second embodiment, the time at which the tunnel communication information was updated is recorded instead of the remaining time of the tunnel communication information in FIG. The remaining time or the like may be calculated based on.
- the maintenance information transmitting unit 45 or the like transmits the maintenance information by determining whether or not the tunnel communication can be maintained has been described. Instead, the remaining time or the communication availability flag may be transmitted as the maintenance information as it is. In this case, the maintenance information accepting unit 13 determines whether or not the maintenance information can maintain the tunnel communication based on whether the remaining time exceeds 0 and whether the communication availability flag is 1. The Rukoto.
- the maintenance information receiving unit 13 may pass the received maintenance information to the tunnel communication control unit 14 regardless of the content of the maintenance information.
- the maintenance information transmitting unit 45 etc. indicates only when tunnel communication can be maintained.
- the maintenance information is transmitted to the first information processing devices 1 and 5, and the tunnel communication control unit 14 transmits the next maintenance information even if a predetermined time has passed after the maintenance information receiving unit 13 has received the maintenance information. In the case of unacceptable power, control to terminate tunnel communication may be performed.
- a communication frequency may be set to 100 degrees.
- the count may be performed using a predetermined clock frequency, and the count may correspond to S10000 counts once.
- the correspondence between the frequency and the time may be changed for each time zone. For example, in the nighttime, one frequency corresponds to 30 minutes, and in the daytime, one frequency corresponds to 10 minutes.
- the first information processing apparatuses 1 and 5 and the second information processing apparatus 2 are each a communication control apparatus having a NAT (Network Address Translation) function (for example, a router). May be connected to the communication line 3 via a communication line.
- the request receiving unit 43 or the like acquires the IP address of the communication control device in place of the IP address of the first information processing device 1
- the maintenance information transmitting unit 45 or the like acquires the IP address of the communication control device.
- the maintenance information will be transmitted to.
- the maintenance information is received by the communication control device and passed to the first information processing device 1.
- the IP address of second information processing device 2 is notified to first information processing device 1 via tunnel management device 4 or access device 7.
- the IP address of the second information processing device 2 is transmitted from the second information processing device 2 to the first information processing device 1 by means such as mail or a predetermined recording medium. You may be notified! ,.
- each process is performed by a single device (system). Therefore, it may be realized by centralized processing, or may be realized by distributed processing by a plurality of devices.
- each component may be configured by dedicated hardware, or for a component that can be realized by software, realized by executing a software program. May be done.
- each component can be realized by reading and executing a software program recorded on a recording medium such as a hard disk or a semiconductor memory by a program execution unit such as a CPU.
- the software that implements the first information processing device in each of the above embodiments is a program as described below.
- the program includes a maintenance information receiving step of receiving maintenance information, which is information relating to maintenance of tunnel communication, to the computer, and a tunnel controlling the tunnel communication based on the maintenance information received in the maintenance information reception step. And a communication control step.
- the software that implements the tunnel management device in each of the above embodiments is the following program. That is, the program provides the computer with the maintenance information, which is the information related to the maintenance of the tunnel communication, based on the tunnel communication information, which is the information regarding the tunnel communication between the plurality of devices, to the device that performs the tunnel communication. This is to execute a maintenance information transmission step to be transmitted.
- the software that implements the tunnel management device in each of the above embodiments is the following program. That is, the program causes the computer to execute a maintenance information transmitting step of transmitting maintenance information, which is information on maintenance of tunnel communication, based on tunnel communication information, which is information on tunnel communication between a plurality of devices. belongs to.
- the program causes the computer to further execute a request receiving step of receiving a transmission request for transmitting the maintenance information.
- the computer receives the transmission request in the request reception step. You may also send maintenance information.
- the software that implements the access device in each of the above embodiments is a program as described below.
- this program receives a transmission request to transmit, to the computer, maintenance information that is information relating to maintenance of tunnel communication between a plurality of devices.
- a request receiving step for receiving the request a request transmitting step for transmitting the transmission request when the transmission request is received in the request receiving step, a maintenance information receiving step for receiving the maintenance information, and a maintenance information receiving step for receiving the maintenance information. And transmitting a maintenance information when receiving the information.
- this program is a program recorded on a predetermined recording medium (for example, an optical disk such as a CD-ROM, a magnetic disk, or a semiconductor memory) which can be executed by being downloaded by a server or the like. It may be executed by being read.
- a predetermined recording medium for example, an optical disk such as a CD-ROM, a magnetic disk, or a semiconductor memory
- the computer that executes this program may be a single computer or multiple computers. That is, centralized processing may be performed or distributed processing may be performed.
- the communication system and the like according to the present invention has the effect of being able to perform control related to communication performed without the intervention of a server that manages communication, and is useful as a system or the like for performing tunnel communication. It is.
Abstract
Description
Claims
Priority Applications (3)
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JP2005517415A JP3937096B2 (ja) | 2004-01-30 | 2005-01-19 | 通信システム、アクセス装置及びトンネル通信管理方法 |
US10/587,778 US20070174436A1 (en) | 2004-01-30 | 2005-01-19 | Communication system, information processing system, information processing apparatus, tunnel management apparatus, information processing method, tunnel management method, and program |
EP20050703801 EP1699185A1 (en) | 2004-01-30 | 2005-01-19 | Communication system, information processing system, information processing apparatus, tunnel management apparatus, information processing method, tunnel management method, and program |
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- 2005-01-19 CN CNA2005800077214A patent/CN1930834A/zh active Pending
- 2005-01-19 WO PCT/JP2005/000564 patent/WO2005074207A1/ja active Application Filing
- 2005-01-19 US US10/587,778 patent/US20070174436A1/en not_active Abandoned
- 2005-01-19 EP EP20050703801 patent/EP1699185A1/en not_active Withdrawn
- 2005-01-26 TW TW94102280A patent/TW200539629A/zh unknown
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Also Published As
Publication number | Publication date |
---|---|
JP3937096B2 (ja) | 2007-06-27 |
CN1930834A (zh) | 2007-03-14 |
EP1699185A1 (en) | 2006-09-06 |
JPWO2005074207A1 (ja) | 2008-01-10 |
US20070174436A1 (en) | 2007-07-26 |
TW200539629A (en) | 2005-12-01 |
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