JP2020035163A - Data setting system and data setting method - Google Patents

Abstract

To provide a data setting system for enabling an operator to update redundant data of a plurality of servers without performing troublesome work.SOLUTION: A data setting system includes a main server system having a plurality of servers including a first main server, and a sub server system having a plurality of servers including a first sub server. When instructed to perform a data upload to a server system, a setting device transmits a state confirmation request to the first main server. The first main server confirms operating states of all servers of the main server system. If the all servers of the main server system normally operate, the first main server returns a normal response to the setting device. In the case of receiving the normal response from the first main server, the setting device uploads data to each server of the main server system.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a data setting system and a data setting method for updating data of a plurality of redundant servers.

  2. Description of the Related Art Voice communication systems in which a server (call control server) is installed on a network and performs voice communication via the server have been put into practical use (for example, Patent Documents 1 and 2). In this voice communication system, a transceiver-shaped communication terminal is used. In order for the communication terminal to be able to execute voice communication, it is necessary to read provisioning data and set functions. For this reason, a provisioning server is installed on a network, and a communication terminal accesses the provisioning server via the network to download provisioning data.

  The provisioning data includes data common to a plurality of communication terminals and individual data for each communication terminal. In order to separately set these in the communication terminal, a plurality of provisioning data is provided on the network. Uploading of provisioning data to each provisioning server is performed by an operator of the system.

International Publication WO / 2017/086415

International Publication WO / 2017/086416

  In the systems of Patent Literatures 1 and 2, a plurality of servers do not have backups, and if any server goes down, the system goes down. Therefore, it is conceivable to make the system redundant (for example, duplicated). It is troublesome for the system operator to maintain a plurality of redundant servers, and it is also troublesome to check synchronization between the redundant servers.

  SUMMARY OF THE INVENTION It is an object of the present invention to provide a data setting system and a data setting method that allow an operator to update data of a plurality of redundant servers without performing troublesome work.

  A data setting system according to the present invention includes a main server system having a plurality of servers including a first main server, a server system having a sub server system having a plurality of servers including a first sub server, and a server system via a network. And a setting terminal for inputting data to be uploaded to the server system to the setting device. The setting device transmits a status confirmation request to the first main server when data upload is instructed from the setting terminal. Upon receiving the status confirmation request, the first main server confirms the operation status of all servers of the server system, and returns a normal response to the setting device if at least all servers of the main server system are operating normally. If any of the servers in the main server system is not operating normally, an abnormal response (system switching request) is returned to the setting device. The setting device uploads data to each server of the main server system when receiving a normal response from the first main server, and responds from the first main server when receiving an abnormal response from the first main server. If not received, the data is uploaded to each server of the sub server system.

  A data setting method according to the present invention provides a server system having a main server system having a plurality of servers including a first main server, a sub server system having a plurality of servers including a first sub server, and a server system via a network. The following procedure is executed in a system having a setting device that communicates with each server and a setting terminal that inputs data to be uploaded to the server system to the setting device. The setting device transmits a status confirmation request to the first main server when data upload is instructed from the setting terminal. Upon receiving the status confirmation request, the first main server confirms the operation status of all servers of the server system, and returns a normal response to the setting device if at least all servers of the main server system are operating normally. If any of the servers in the main server system is not operating normally, an abnormal response (system switching request) is returned to the setting device. The setting device uploads data to each server of the main server system when receiving a normal response from the first main server, and responds from the first main server when receiving an abnormal response from the first main server. If not received, the data is uploaded to each server of the sub server system.

  In the above invention, when uploading data to each server of the main server system, the setting device uploads all data to the first main server, and the first main server sends all data to another server of the main server system. May be transferred partially or entirely. When uploading data to each server of the sub-server system, the setting device uploads all data to the first sub-server, and the first sub-server transmits all data to another server of the sub-server system. Part or all may be transferred.

  In the above invention, when data is uploaded from the setting device, each server of the main server system may transmit the data to a corresponding server of the sub server system via a network to synchronize the data. Further, when data is uploaded from the setting device, each server of the sub server system may transmit the data to a corresponding server of the main server system via a network to synchronize the data.

  In the above invention, when the setting device uploads all data to the first main server, the first main server may transfer the data uploaded to the first sub server and synchronize the data. When the setting device uploads all data to the first sub server, the first sub server may transfer the data uploaded to the first main server and synchronize the data.

  A data setting system according to the present invention includes a main server system having a plurality of servers including a first main server, a server system having a sub server system having a plurality of servers including a first sub server, and a server system via a network. And a setting terminal for acquiring and updating data from the server system via the setting device. The setting device transmits a status confirmation request to the first main server when data download is instructed from the setting terminal. Upon receiving the status confirmation request, the first main server confirms the operation status of all servers of the server system, and returns a normal response to the setting device if at least all servers of the main server system are operating normally. If any of the servers in the main server system is not operating normally, an abnormal response (system switching request) is returned to the setting device. The setting device downloads data from the server of the main server system (at least the first main server) when receiving a normal response from the first main server, and when receiving an abnormal response from the first main server, If no response is received from the main server, data is downloaded from the server of the sub server system (at least the first sub server).

  A data setting method according to the present invention provides a server system having a main server system having a plurality of servers including a first main server, a sub server system having a plurality of servers including a first sub server, and a server system via a network. The following procedure is performed in a system having a setting device that communicates with each of the servers and a setting terminal that acquires and updates data from the server system via the setting device. The setting device transmits a status confirmation request to the first main server when data download is instructed from the setting terminal. Upon receiving the status confirmation request, the first main server confirms the operation status of all servers of the server system, and returns a normal response to the setting device if at least all servers of the main server system are operating normally. If any of the servers in the main server system is not operating normally, an abnormal response (system switching request) is returned to the setting device. The setting device downloads data from the server of the main server system (at least the first main server) when receiving a normal response from the first main server, and when receiving an abnormal response from the first main server, If no response is received from the main server, data is downloaded from the server of the sub server system (at least the first sub server).

  In the above invention, when all servers of the server system are operating normally, the first main server stores the date of data stored in each server of the main server system and the date of data stored in each server of the sub server system. The date of the stored data is compared, and if the date of the data stored in each server of the sub server system is newer, an abnormal response may be returned to the setting device.

  According to the present invention, even if a server system having a plurality of servers is made redundant, an operator performing data setting selects a server system to upload / download and synchronizes data without being aware of the redundancy. Becomes possible.

1 is a configuration diagram of a call control system of a voice communication system according to an embodiment of the present invention. 1 is a configuration diagram of a terminal setting system of a voice communication system. It is a block diagram of a remote setting device. It is a block diagram of a server of a voice communication system. It is a block diagram of a communication terminal. FIG. 4 is a diagram showing provisioning data set in a communication terminal. It is a figure which shows from which server the provisioning data of a communication terminal is written. FIG. 3 is a diagram illustrating a table provided in a provisioning server and a call control server. FIG. 9 is a diagram showing a sequence when data is uploaded from the remote setting device to the server system. 9 is a flowchart showing the operation of the remote setting device at the time of data upload. It is a flowchart which shows operation | movement of the 1st server (call control server) at the time of data upload. 9 is a flowchart showing the operation of the remote setting device at the time of data download. 9 is a flowchart illustrating an operation of the first server at the time of data download. It is a flowchart which shows the cooperation operation of a 1st main server and a 1st sub server. FIG. 6 is a diagram for explaining a procedure for setting data in a communication terminal.

  The voice communication system of the present invention will be described with reference to the drawings. FIG. 1 is a configuration diagram of a call control system 2 of a voice communication system 1 to which the present invention is applied. FIG. 2 is a configuration diagram of the terminal setting system 3 of the voice communication system 1.

  In FIG. 1, in the call control system 2, the communication terminals 11-1 to 5 communicate with each other via a call control server (hereinafter also referred to as a first server) 14. The call control server 14 relays voice communication between the plurality of communication terminals 11. Each communication terminal 11 and the call control server 14 are connected by a communication infrastructure. As a communication infrastructure, an LTE network 10 which is a communication network of a mobile phone is used. The LTE network 10 has a base station 10A that is a wireless communication base. The communication terminal 11 accesses the LTE network 10 by communicating with the base station 10A. In the present invention, the communication infrastructure is not limited to the LTE network. However, the various servers 14 to 16 shown in FIG. 2 are installed in a closed network that cannot be freely accessed from an external terminal device.

  The communication terminal 11 becomes usable by writing the provisioning data as shown in FIG. 6 into the storage unit 41 (see FIG. 5). In the provisioning process, the setting of the provisioning data to be written to the communication terminal 11 is performed by the terminal setting system 3 shown in FIG.

  In FIG. 2, the terminal setting system 3 has two server systems 4 (a main server system 4M and a sub server system 4S). That is, the server system 4 is duplicated (redundant) by the two systems of the main server system 4M and the sub server system 4S. FIG. 1 shows only one active call control server 14.

  In the following description, a person who operates the voice communication system 1 and lends and uses the client to use the voice communication system 1 is referred to as a provider (system provider), and a person who rents and uses the voice communication system (company) is a client and members of the client A person who performs voice communication using the communication terminal 11 is called a user, and a person who uploads provisioning data for the communication terminal 11 to the server system 4 using the setting terminal 18 is called an operator.

  Each server system 4 (4M, 4S) includes a second server 15 (15M, 15S) and a third server 16 (16M, 16S) in addition to the first (call control) server 14 (14M, 14S) described above. is set up. Each server is connected to the LTE network 10, respectively. During operation of the voice communication system 1, one of the main server system 4M and the sub server system 4S operates to relay the voice communication of the communication terminal 11. The first server 14, the second server 15, and the third server 16 may be directly connected to the LTE network 10, but are connected to the LTE network 10 via the local area network 5 and a gateway (not shown). You may.

  The second and third servers 15 and 16 store provisioning data (see FIG. 6) for setting up the communication terminal 11, and transmit the provisioning data to the communication terminal 11 in response to the access of the communication terminal 11. The communication terminal 11 can communicate by storing the provisioning data in the storage unit 41 and setting up itself.

  A remote setting device 17 is also connected to the LTE network 10. The remote setting device 17 is connected to the LTE network 10 via the base station 10A, and uploads provisioning data (see FIG. 6) input from the setting terminal 18 to the first server 14, or stores the provisioning data in the first server 14. For example, an operation of downloading downloaded data and causing the setting terminal 18 to acquire the downloaded data is performed. The remote setting device 17 corresponds to the setting device of the present invention.

  The first server 14, the second server 15, and the third server 16 store tables as shown in FIG. The communication terminal 11 owned by each of the plurality of users can perform voice communication by sequentially accessing the second server 15, the third server 16, and the first server 14 in this order when the power is turned on. The client operator updates the provisioning data stored in each communication terminal 11 by using the remote setting device 17, and uploads the provisioning data to the first server 14, the second server 15, and the third server 16. The client operator inputs update data to the remote setting device 17 using the setting terminal 18. The remote setting device 17 has the configuration shown in FIG. 3, and the setting terminal 18 is, for example, a personal computer.

  The registration of the provisioning data in each server is performed by the operator inputting data to the setting terminal 18. The data input to the setting terminal 18 is transmitted by the remote setting device 17 to one of the main server system 4M and the sub server system 4S. The system to which the data is transmitted will be described later.

  FIG. 3 is a block diagram of the remote setting device 17. The remote setting device 17 uploads provisioning data to the server system 4 and downloads provisioning data from the server system 4 in response to an operation of the setting terminal 18 by the operator. The remote setting device 17 includes a LAN interface 112 that communicates with the setting terminal 18, an LTE interface 114 that communicates with each server via the LTE network 10, an R / W control unit 110, and a setting file storage unit 111.

  The LAN interface 112 has a protocol stack 113 for communicating with the setting terminal 18. The protocol stack 113 may execute a protocol conforming to a general LAN standard. The LTE interface 114 has a protocol stack 115 for communicating with each server of the server system 4 via the LTE network 10. The protocol stack 115 conforms to the standard of the LTE network 10. The setting file storage unit 111 stores update data for updating the provisioning data of each server. The R / W control unit 110 controls read / write to the setting file storage unit 111.

  As described above, the LAN interface 112 and the LTE interface 114 share the setting file storage unit 111 but do not relay the communication, so that the setting terminal 18 has not authenticated to the LTE network 10 unless it has been authenticated. Commands cannot be sent directly. Conversely, since the configuration terminal 18 is not visible from the LTE network 10, the configuration terminal 18 is not accessed from the LTE network 10.

  FIG. 4 is a block diagram of each of the servers 14, 15, and 16. The server has a control unit 30, a storage unit 31, and a network communication unit 32. The storage unit 31 is composed of, for example, a hard disk or a RAM, and stores a table as shown in FIG. The network communication unit 32 communicates with the communication terminal 11 and the remote setting device 17 via the LTE network 10. The control unit 30 acquires the provisioning data from the remote setting device 17 through communication via the LTE network 10, and stores the provisioning data in the storage unit 31. Further, the control unit 30 transmits the provisioning data stored in the storage unit 31 to the communication terminal 11 accessed via the LTE network 10.

  FIG. 5 is a block diagram of the communication terminal 11. The communication terminal 11 has the appearance of a handy transceiver as shown in FIG. 1, but is a wireless network device that transmits and receives a voice signal via the base station 10 </ b> A of the LTE network 10 functionally. The control unit 40 for controlling the operation of the device is constituted by a microprocessor. The control unit 40 has a storage unit 41 in which various data are stored. The storage unit 41 has a provisioning data storage area 41A, and the provisioning data as shown in FIG. 6 is stored in the provisioning data storage area 41A. The control unit 40 is connected with an operation unit 42, a display unit 43, an audio circuit 44, an LTE communication unit 45, and a card slot 46. The operation unit 42 includes a key switch such as a PTT switch 220, receives an operation by a user, and inputs an operation signal to the control unit 40. The display unit 43 includes a liquid crystal display. On the liquid crystal display, the identification number of the communication partner selected by the user's operation, the identification number of the receiving communication partner, and the like are displayed.

  The audio circuit 44 has a microphone 240 and a speaker 241. The control section 40 decodes the received audio signal and inputs it to the audio circuit 44. The audio circuit converts the decoded audio signal into an analog signal and outputs the analog signal from the speaker 241. The audio circuit 44 converts the audio signal input from the microphone 240 into a digital signal and inputs the digital signal to the control unit 40. The control unit 40 converts the digital audio signal into a voice packet and inputs the voice packet to the LTE communication unit 45. The LTE communication unit 45 includes a circuit that performs wireless communication using the LTE communication method, transmits a packet input from the control unit 40 to the base station 10A, and transmits a packet received from the base station 10A to the control unit 40. input. Note that an earphone connector 242 is provided in the audio circuit 44. When an earphone microphone (not shown) is connected to the earphone connector 242, the microphone 240 and the speaker 241 provided in the communication terminal 11 stop their functions, and the microphone and speaker (earphone) of the earphone microphone become valid. An IC card (SIM card) 47 in which terminal identification information is stored is set in the card slot 46. The terminal identification information (ICCID) stored in the SIM card 47 is used as the identification information of each communication terminal 11. Note that, instead of the SIM card 47, a module in which terminal identification information (ICCID) is written may be incorporated.

  In the communication terminal 11 having the above-described configuration, when the user inputs a voice toward the microphone 240 while pressing the PTT switch 220, the communication terminal 11 edits the voice signal into a voice packet and performs call control via the base station 10A. Send it to server 16.

  FIG. 6 is a diagram showing a configuration of the provisioning data storage area 41A of the storage unit 41 and data stored in the provisioning data storage area 41A. The following provisioning data is stored in the provisioning data storage area 41A. In this embodiment, the second main server address and the second sub server address among the following data are written in a nonvolatile manner when the communication terminal 11 is shipped.

2/3 main server address: IP address of second main server 15M or third main server 16M 2/3 sub server address: IP address of second sub server 15S or third sub server 16S first main server address: IP address of first main server (main call control server) 14M First sub server address: IP address of first sub server (sub call control server) 14S Transmission / reception port number: communicates with first server 14 (14M, 14S) Transmission / reception port number of the first server 16 at the time of calling Call ID: Call ID of the communication terminal 11 itself
Notification sound setting: Selection information of notification sound for incoming call etc. Option button setting: Function allocation information for option buttons provided on the operation unit 42 Earphone setting: Whether to perform full duplex communication when an earphone microphone is connected Address book: Call ID list of the communication terminal 11 that can be called Volume setting: Volume setting information of call sound

  Of the above data, the 2/3 main server address, the 2/3 sub server address, the first main server address, and the first sub server address are data common to the communication terminals 11 (11-1 to 5). 412. The reason why the communication terminal 11 stores the server addresses of both the main server system 4M and the sub server system 4S is to switch to the sub server system 4S when the main server system 4M goes down. The call ID, the transmission / reception port number, the notification sound setting, the option button setting, the earphone setting, the address book, and the volume setting are the individual data 413 individually set for each communication terminal 11. Among them, the call ID and the transmission / reception port number are individual fixed data 413A that is unique for each communication terminal 11 and cannot be changed from the communication terminal 11. The notification sound setting, option button setting, earphone setting, address book, and volume setting, which are the other provisioning data, can be performed by the user operating the communication terminal 11 or by the cloning terminal 20 connected to the communication terminal 11 (see FIG. 2) can be changed by the individual variable data 413B. Note that the types and numbers of the common data 412, the individual fixed data 413A, and the individual variable data 413B are not limited to this embodiment.

  FIG. 7 is a diagram illustrating which data is written to the communication terminal 11 (the provisioning data storage area 41A) by each of the first server 14 and the second server 15. In the initial state (at the time of initialization), the second main server address and the second sub server address are written. When the communication terminal 11 accesses the operating second server 15 (usually the second main server 15M), all the provisioning data is written, and the second / third main server address and the second / third sub server address are written. Are rewritten with the addresses of the third main server 16M and the third sub server 16S, respectively. In this state, the communication terminal 11 is set. Then, a restart flag is set to start operation.

  When the power of the set communication terminal 11 is turned on (restarted), the communication terminal 11 accesses the operating third server 15 (normally, the third main server 16M). The third server 16 writes the common data 412 and the individual fixed data 413A of the provisioning data to the communication terminal 11. The individual variable data 413B is not overwritten because it may have been changed by the user. After the individual variable data 413B has been set, it can be rewritten by operating the communication terminal 11 or setting from the cloning terminal 20.

  FIGS. 8A, 8B, and 8C show examples of tables provided in the storage unit 31 of the second server 15, the third server 16, and the first server (call control server) 14, respectively. is there. These data are commonly stored in each server of the main server system 4M and the sub server system 4S.

  FIG. 8A is a diagram illustrating a provisioning data table provided in the storage unit 31 of the second server 15. All provisioning data to be set in the terminal device 11 is stored for each of the communication terminals 11 belonging to the own voice communication system 1. The provisioning data is composed of the common data 412 and the individual data 413 as described above, and this table stores all the provisioning data.

  FIG. 8B is a diagram illustrating a provisioning data table provided in the storage unit 31 of the third server 16. The provisioning data table stores the individual fixed data 413A among the common data 412 and the individual data 413 of each communication terminal 11, but does not store the individual variable data 413B. The second server 15 performs provisioning for the communication terminal 11 that has been set, but provisions only the individual fixed data 413A of the individual data 413 so as not to overwrite the individual variable data 413B updated by the user at this time. I have to.

  FIG. 8C is a diagram illustrating a terminal table of the first server 14. The terminal table stores a list of communication terminals 11 belonging to the voice communication system 1 and an active flag of each communication terminal 11. When the communication terminal 11 accesses the first server 14 and requests a registration, it sets an active flag corresponding to the communication terminal 11 and stores that the communication terminal 11 is operating. Thereby, transmission and reception of the audio signal with the communication terminal 11 are enabled.

  The setting of these tables (storage areas) and the presetting of all data are performed by the system provider. Data other than the second / third main server address, the second / third sub server address, the first main server address, the first sub server address, and the port number, such as the provisioning data, are remoted by the client (operator). It can be set using the setting device 17. The individual variable data 413B can be changed in the storage unit 41A of the communication terminal 11 by, for example, operating the communication terminal 11 by a user.

  Hereinafter, a procedure of uploading and downloading the provisioning data in the setting system 3 will be described. FIG. 9 is a diagram showing a sequence of uploading provisioning data to each of the servers 14, 15, and 16 of the main server system 4M. Before uploading the data, the remote setting device 17 checks whether the main server system 4M is functioning normally. This sequence diagram shows a communication procedure when the main server system 4M is functioning normally.

  The remote setting device (RSB) 17 operates according to commands and data input from a setting terminal (PC) 18. The operator of the setting terminal 17 operates the setting terminal 18 to update the provisioning data and the registration data (hereinafter simply referred to as provisioning data) stored in the remote setting device 17 (S101). When the update of the provisioning data is completed, the operator operates the setting terminal 18 to transmit a provisioning data upload request message to the remote setting device 17 (S102). The above processing is performed on the LAN terminal 112 side of the setting terminal 18 and the remote setting device 17.

  When receiving the upload request from the setting terminal 18, the remote setting device 17 transmits a status confirmation request to the first main server 14M of the main server system 4M by the operation of the LTE interface 114 (S103). The remote setting device 17 confirms whether each server of the main server system 4M and the sub server system 4S is operating normally by transmitting a state confirmation request to the first main server 14M.

  The first main server 14M that has received the status confirmation request is another server, that is, the second main server 15M, the third main server 16M of the main server system 4M, the first subserver 14S of the subserver system 4S, and the second subserver. A status confirmation request is transmitted to the 15S and the third sub-server 16S, and a request is made as to whether or not each server is operating normally (S104). In response to this status confirmation request, a response (normal response) that each server is operating normally is returned (S105). The first main server 14M returns a normal response to the effect that all servers including the first main server are operating normally to the remote setting device 17 (S106).

  Upon receiving the normal response from the first main server 14M, the remote setting device 17 sends necessary data to each server (the first main server 14M, the second main server 15M, and the third main server 16M) of the main server system 4M. Are transmitted (S107). The first main server 14M, the second main server 15M, and the third main server 16M, which have received the data, send the data to corresponding servers (the first server 14S, the second server 15S, and the third server 16S) of the sub server system 4S, respectively. To synchronize the data of the main server system 4M and the sub server system 4S (S108). Thereby, the sub server system 4S can also operate.

  While the main server system 4M is operating normally, the first main server 16M periodically sends a "live notification" message indicating this to the first sub server 14S of the sub server system 4S. The sub server system 4S enters a standby state while receiving the existence notification from the main server system 4M.

  FIG. 10 is a flowchart showing the operation of the remote setting device 17 when uploading data. This processing is started when an upload request message is received from the setting terminal 18. First, a status confirmation request is transmitted to the first main server 14M of the main server system 4M (S10). A reply to this is received, and it is determined whether or not the reply is a normal response (S11). In the case of a normal response (YES in S11), necessary data is transmitted to the first main server 14M, the second main server 15M, and the third main server 16M, respectively (S12), and the process ends.

  On the other hand, if the reply from the first main server 14M is an abnormal response (NO in S11), a request for a status confirmation is transmitted to the first sub server 14S of the sub server system 4S (S13). A reply to this is received, and it is determined whether or not the reply is a normal response (S14). In the case of a normal response (YES in S14), necessary data is transmitted to the first sub server 14S, the second sub server 15S, and the third sub server 16S of the sub server system 4S, respectively (S15), and the processing is performed. To end. If the reply from the first sub-server 14S of the sub-server system 4S is also an abnormal response (NO in S14), it is determined that the server system is down, and the process is terminated as it is.

  FIG. 11 is a flowchart illustrating the operation of the first server 14. Here, the operation of the first main server 14M of the main server system 4M will be described, but the operation of the first sub server 14S of the sub server system 4S is the same except that “main” and “sub” are switched.

  Upon receiving the status confirmation request from the remote setting device 17 in S20, the first main server 14M transmits all other servers (the second main server 15M, the third main server 16M, the first sub server 14S, and the second sub server 15S). , The status confirmation request message is transmitted to the third sub server 16S) (S21). The first main server 14M receives the reply from each server, and determines whether at least the second main server 15M and the third main server 16M of the main server system 4M are normal (S22). If the main server system 4M including itself is operating normally (YES in S22), the first main server 14M transmits a reply of a normal response to the remote setting device 17 (S23). Thereafter, data is received from the remote setting device 17 and stored in a predetermined storage area (S24). The first main server 14M transfers the received data to the first sub server 14S of the sub server system 4S to synchronize the data of the main server system 4M and the data of the sub server system 4S (S25).

  In S22, if a normal response has not been received from at least one of the servers of the main server system 4M (NO in S22), an abnormal response (system switching request) is returned to the remote setting device 17 (S27).

  The processing of receiving the data from the remote setting device 17 in S24 and S25 and storing it in the storage area (S24), and the processing of transferring the received data to the corresponding server of the sub server system 4S and synchronizing the data (S25) is also executed in parallel by the second main server 15M and the third main server 16M of the main server system 4M.

  FIG. 12 and FIG. 13 are flowcharts showing the procedure when the remote setting device 17 downloads data from the server. The processing operation at the time of downloading is almost the same as the processing operation at the time of uploading.

  FIG. 12 is a flowchart showing the operation of the remote setting device 17 when downloading data. This process is started when a download request is received from the setting terminal 18. First, a status confirmation request is transmitted to the first main server 14M of the main server system 4M (S30). A reply to this is received, and it is determined whether or not the reply is a normal response (S31). If the response is normal (YES in S31), a data download request is transmitted to first main server 14M (S32), and data transmitted from first main server 14M is received (S33).

  On the other hand, if the reply from the first main server 14M is an abnormal response (NO in S31), a request for a state confirmation is transmitted to the first sub server 14S of the sub server system 4S (S34). A reply to this is received, and it is determined whether or not the reply is a normal response (S35). In the case of a normal response (YES in S35), a data download request is transmitted to the first sub server 14S (S36), and the data transmitted from the first sub server 14S is received (S37). If the reply from the first sub-server 14S of the sub-server system 4S is also an abnormal response (NO in S35), it is determined that the server system is down, and the process is terminated as it is.

  FIG. 13 is a flowchart showing the operation of the first server 14 at the time of downloading. Here, the operation of the first main server 14M of the main server system 4M will be described, but the operation of the first sub server 14S of the sub server system 4S is the same except that “main” and “sub” are switched.

  Upon receiving the status confirmation request from the remote setting device 17 in S40, the first main server 14M communicates with all other servers (the second main server 15M, the third main server 16M, the first sub server 14S, the second sub server 15S). , The status confirmation request message is transmitted to the third sub server 16S) (S41). The first main server 14M receives a reply from each server, and determines whether normal responses have been received from all servers (S42). When the normal responses have been received from all the servers (YES in S42), the date of the data stored in each server of the main server system 4M and the date of the data stored in each server of the sub server system 4S are compared. (S44). When the data date of the main server system 4M is new (not old) (YES in S45), a normal response is returned to the remote setting device 17 (S46). Thereafter, in response to a download request from the remote setting device 17, the data stored in the first main server 14M is transmitted to the remote control device 17 (S47).

  Even if normal responses could not be received from all servers in S42 (NO in S42), it is determined whether at least the second main server 15M and the third main server 16M of the main server system 4M are normal (S43). If the main server system 4M including its own device is operating normally (YES in S42), the first main server 14M sends a reply of a normal response to the remote setting device 17 (S46).

  On the other hand, when it is determined that the data on the side of the sub server system 4S is newer in S45 (NO in S45), or when a normal reply is not received from at least one of the servers of the main server system 4M in S43. (NO in S43), an abnormal response (system switching request) is returned to the remote setting device 17 (S48).

  FIG. 14 is a flowchart showing the cooperative operation between the main server system 4M and the sub server system 4S. In FIG. 14A, while the first main server 14M is operating as the call control server 14, a survival notification is transmitted to the first sub server 14S periodically (for example, every one second) (S50). . In FIG. 14B, when the first sub server 14S receives the survival notification sent from the first main server 14M (YES in S51), the first sub server 14S resets the watchdog timer (S53) and operates as a call control server. It stands by without operating (S54). Until the watchdog timer times out (NO in S52), this standby state is continued as long as the next survival notification is received.

  If the first main server 14M goes down, the survival notification is not transmitted, so that the watchdog timer times out (YES in S52), and the first sub server 14S operates as the call control server 14 (S55). However, even during operation, it is monitored whether or not a survival notification is sent from the main call control server 14M (S51). If a survival notification is received, the watchdog timer is reset (S53) and call control is performed. The operation as a server is stopped (S54).

  If a failure occurs in the communication and the first sub server 14S cannot receive the survival notification transmitted by the first main server 14M, both the first main server 14M and the first sub server 14S serve as the call control server 14. Work.

  Hereinafter, a procedure in which the communication terminal 11 accesses the server system for which the data upload is completed and sets the function will be described. In the initial state, the communication terminal 11 that performs voice communication sequentially accesses the second server 15 and the third server 16 to acquire provisioning data, and is set up so that the voice communication system 1 can use the data for voice communication. Once set up, it can be used by accessing the third server 16 from the next power-on.

  As shown in FIG. 7, the second server 15 transmits all the provisioning data to the communication terminal 11 in the initial state. The third server 16 resets only the fixed data of the provisioning data to the communication terminal 11 that has been set. The communication terminal 11 that has obtained the provisioning data accesses the first server (call control server) 14 to request a registration, and is registered as another communication terminal 11 belonging to the call control system 2 illustrated in FIG. Can communicate with the communication terminal 11.

  FIG. 15 is a diagram illustrating a setting procedure of the communication terminal 11 from an initial state. When the power is turned on, the communication terminal device 11 first accesses the second main server 15M to request provisioning (S60). If the second main server 15M responds (NO in S61), all the provisioning data is acquired from the second main server 15M (S63). On the other hand, if the provisioning request to the second main server 15M has timed out, or if a server switching request has been sent from the second main server 15M (YES in S61), the second sub server 15S is accessed and All the provisioning data is acquired from the second sub server 15S (S63). When provisioning data is received from the second main server 15M, all subsequent processing is performed on the main server system 4M. On the other hand, when the provisioning data is received from the second sub server 15S, all subsequent processing is performed on the sub server system 4S.

  The data received from the second server 15 (15M or 15S) includes the address of the third main / sub server 16 (16M, 16S). The communication terminal 11 restarts and accesses the third server 16 (S64). The third server 16 resets only the common data 412 and the individual fixed data 413A for the communication terminal 11 (S65). This completes the provisioning, and the communication terminal 11 accesses the first server 14 (14M or 14S), which is a call control server, and requests a registration (S66). When the registration completion notification is received from the first server 14 (14M or 14S) (S67), the communication terminal 11 becomes usable as a terminal for voice communication.

  When the main server system 4M recovers during operation in the sub server system 4S, the main server system 4M transmits a survival notification to the sub server system 4S again. Upon receiving the survival notification from the main server 4M, the server system 4S notifies the registration request of the communication terminal 11 that it is the sub server system 4S. The communication terminal 11 that has received this notification makes a registration request to the main server system 4M.

  The communication terminal 11 once turned off or restarted starts operation from S64 and accesses the third server 16. Here, the common data 412 and the individual fixed data 413A are reset. Thereby, even if the provisioning data is changed by the remote setting device 17 before the power is turned on, it can be reflected on the setting of the communication terminal 11. Also in this case, since the user may individually change the settings of the communication terminal 11, the individual variable data 413B is not overwritten.

  In the present invention, when the main server system 4M is malfunctioning (when an abnormal response is returned from the first main server 14M), data is uploaded to the sub server system 4S without checking the status of the sub server system 4S. You may make it. In the present invention, the number of servers included in each server system 4M, S is not limited to three. There is no limit on the number of communication terminals 11 belonging to the voice communication system 1.

  In the above embodiment, the remote setting device 17 uploads data to each of the first server 14, the second server 15, and the third server 16, but the remote monitoring device 17 And the first server 14 may transfer the data to the second server 15 and the third server 16. As for data download from the server system, data may be downloaded from each of the first server 14, the second server 15, and the third server 16.

Reference Signs List 1 voice communication system 2 call control system 3 terminal setting system 4 server system 4M main server system 4S sub server system 10 LTE network 11 communication terminal 12 initial setting server 14 (14M, 14S) first (main / sub) server (call control server)
15 (15M, 15S) Second (main / sub) server (first provisioning server)
16 (16M, 16S) Third (main / sub) server (second provisioning server)
17 Remote setting device 18 Setting terminal 41A Provisioning data storage area

Claims (12)

A main server system having a plurality of servers including a first main server, and a server system having a sub server system having a plurality of servers including a first sub server;
A setting device that communicates with each server of the server system via a network;
A setting terminal for inputting data to be uploaded to the server system,
A data setting system having
When the setting device is instructed to upload the data from the setting terminal, the setting device transmits a status confirmation request to the first main server,
Upon receiving the status confirmation request, the first main server confirms the operation status of all servers of the server system, and if at least all servers of the main server system are operating normally, the first main server returns to the setting device normally. Return a response, if there is something that is not working properly in the server of the main server system, return an abnormal response to the setting device,
The setting device uploads the data to each server of the main server system when receiving a normal response from the first main server, and when receiving an abnormal response from the first main server, or A data setting system that uploads the data to each server of the sub server system when a response is not received from the first main server. When uploading the data to each server of the main server system, the setting device uploads all data to the first main server, and the first main server is connected to another server of the main server system. Transfer a part or all of the data to the server,
When uploading the data to each server of the sub-server system, the setting device uploads all data to the first sub-server, and the first sub-server is connected to another of the sub-server systems. The data setting system according to claim 1, wherein a part or all of the entire data is transferred to a server. The sub server system has a server corresponding to each server of the main server system,
Each server of the main server system, when data is uploaded from the setting device, transmits the data to the corresponding server of the sub server system via the network, and synchronizes the data,
The server of the sub server system, when data is uploaded from the setting device, transmits the data to the corresponding server of the main server system via the network to synchronize the data. Data setting system described. When the setting device uploads all data to the first main server, the first main server transfers the uploaded data to the first sub server to synchronize the data,
The first sub server transfers the uploaded data to the first main server and synchronizes the data when the setting device uploads all data to the first sub server. Data setting system. A main server system having a plurality of servers including a first main server, and a server system having a sub server system having a plurality of servers including a first sub server;
A setting device that communicates with each server of the server system via a network;
A setting terminal that acquires and updates data from the server system,
A data setting system having
When the setting device is instructed to download the data from the setting terminal, the setting device transmits a status confirmation request to the first main server,
Upon receiving the status confirmation request, the first main server confirms the operation status of all servers of the server system, and if at least all servers of the main server system are operating normally, the first main server returns to the setting device normally. Return a response, if there is something that is not working properly in the server of the main server system, return an abnormal response to the setting device,
The setting device downloads the data from the server of the main server system when receiving a normal response from the first main server, and receives an abnormal response from the first main server, or (1) A data setting system which downloads the data from a server of the sub server system when a response is not received from the main server.   The first main server stores the date of data stored in each server of the main server system and each server of the sub server system when all servers of the server system are operating normally. 6. The data setting system according to claim 5, wherein the date of the data is compared, and if the date of the data stored in each server of the sub server system is newer, an abnormal response is returned to the setting device. A main server system having a plurality of servers including a first main server, and a server system having a sub server system having a plurality of servers including a first sub server;
A setting device that communicates with each server of the server system via a network;
A setting terminal for inputting data to be uploaded to the server system,
In a system having
When the setting device is instructed to upload the data from the setting terminal, the setting device transmits a status confirmation request to the first main server,
The first main server receiving the status check request checks the operation status of all servers of the server system, and if at least all servers of the main server system are operating normally, a normal response to the setting device If the server of the main server system does not operate normally, return an abnormal response to the setting device,
When the setting device receives a normal response from the first main server, uploads the data to each server of the main server system, and receives an abnormal response from the first main server, or A data setting method for uploading the data to each server of the sub server system when a response is not received from the first main server. When uploading the data to each server of the main server system, the setting device uploads all data to the first main server, and the first main server is connected to another server of the main server system. Transfer a part or all of the data to the server,
When uploading the data to each server of the sub-server system, the setting device uploads all data to the first sub-server, and the first sub-server is connected to another of the sub-server systems. The data setting method according to claim 1, wherein a part or all of the entire data is transferred to a server. The sub server system is a system having a server corresponding to each server of the main server system,
Each server of the main server system, when data is uploaded from the setting device, transmits the data to the corresponding server of the sub server system via the network, and synchronizes the data,
The server of the sub server system, when data is uploaded from the setting device, transmits the data to the corresponding server of the main server system via the network to synchronize the data. Data setting method described. When the setting device uploads all data to the first main server, the first main server transfers the uploaded data to the first sub server to synchronize the data,
9. The method according to claim 8, wherein when the setting device uploads all data to the first sub server, the first sub server transfers the uploaded data to the first main server and synchronizes the data. Data setting method. A main server system having a plurality of servers including a first main server, and a server system having a sub server system having a plurality of servers including a first sub server;
A setting device that communicates with each server of the server system via a network;
A setting terminal that acquires and updates data from the server system,
In a system having
When the setting device is instructed to download the data from the setting terminal, the setting device transmits a status confirmation request to the first main server,
Upon receiving the status confirmation request, the first main server confirms the operation status of all servers of the server system, and if at least all servers of the main server system are operating normally, the first main server returns to the setting device normally. Return a response, if there is something that is not working properly in the server of the main server system, return an abnormal response to the setting device,
The setting device downloads the data from the server of the main server system when receiving a normal response from the first main server, and receives an abnormal response from the first main server, or (1) A data setting method for downloading the data from a server of the sub server system when a response is not received from the main server. The first main server stores the date of data stored in each server of the main server system and each server of the sub server system when all servers of the server system are operating normally. 12. The data setting method according to claim 11, wherein the data dates are compared, and if the date of the data stored in each server of the sub server system is newer, an abnormal response is returned to the setting device.

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