WO2002075525A1 - Systeme, procede et programme d'actualisation de logiciel - Google Patents
Systeme, procede et programme d'actualisation de logiciel Download PDFInfo
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- WO2002075525A1 WO2002075525A1 PCT/JP2002/002595 JP0202595W WO02075525A1 WO 2002075525 A1 WO2002075525 A1 WO 2002075525A1 JP 0202595 W JP0202595 W JP 0202595W WO 02075525 A1 WO02075525 A1 WO 02075525A1
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- user terminal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
Definitions
- the present invention relates to a system, method, and program for updating (upgrading) software.
- files required for version upgrade It is common to compress the group into a single file (also a fixed file name), download it, and decompress it on the user's terminal.
- files that are no longer needed in the user terminal device remain forever due to the version upgrade, and the environment of the user terminal device is deteriorated.
- the server from which the file was downloaded had to keep the files needed for version upgrade forever, and there was a problem that server maintenance had to be continued forever.
- the software version of the user terminal device can be easily and accurately updated, and a software update system and a software update method that can surely delete unnecessary files due to the version upgrade.
- a program that realizes the method it has been desired to provide a program that realizes the method. Disclosure of the invention
- the present invention has been made in view of the above points, and can easily and accurately upgrade software of a user terminal device, and reliably delete unnecessary files accompanying the version upgrade. It aims to provide a software update system and update method that can be used, or a program that implements the method.
- a software update system for upgrading software used in a user terminal device.
- the software update system includes a file server storing a file for updating software stored in the user terminal device to a new version, and a new version of software used in the user terminal device.
- a version information server that stores version information for specifying the file server and identification information for specifying the file server that stores a file for updating the software to a new version; .
- the version information server the user terminal If the software used in the device is not the new version, the identification information of the file server storing the file used for the version upgrade is transmitted to the user terminal device.
- the file server transmits a file used for the version upgrade to the user terminal device.
- one of the version information server and the file server stores a list of files necessary for executing the software updated to the new version, and transmits information indicating the list to the user terminal device. .
- the user terminal device receives the information indicating the list, and deletes a file unnecessary for executing the new version of the software based on the received information.
- the unnecessary file may be deleted before the update to the new version is performed.
- One of the version information server and the file server stores a list of files unnecessary for execution of the software updated to the new version, and transmits information indicating the list to the user terminal device. It is good. Further, the file server stores a plurality of files for updating to the new version according to a version of software that can be installed in the user terminal device and an operating environment of the user terminal device.
- the file server may have a reference file server for centrally managing files related to updating.
- the file server may be provided with an environment information server that stores information on operating environments of a plurality of the user terminal devices connected to the software update system.
- the environment information server detects an operating environment of the user terminal device to be updated to the new version, transmits the detection result to a request source, and The new server corresponding to the operating environment of the user terminal device according to a detection result of the environment information server.
- a file used for updating to one user terminal is transmitted to the user terminal device.
- a software updating method for upgrading software used in a user terminal device it is determined whether the version of the software to be updated used in the user terminal device is a new version, and if it is determined that the version is not the new version, the software version is determined according to the version of the software. A file used for updating to the new version, and list information indicating a file necessary for executing the software after the update are sent to the user terminal device. And delete files unnecessary for execution of the updated software.
- the operating environment of the user terminal device is detected, and the version is upgraded according to the detected operating environment and the version of software used in the user terminal device. May be sent to the user terminal device.
- a software update program for causing a computer of the user terminal device to execute a process for updating software used in the user terminal device.
- the software update program when software to be updated installed in the user terminal device is started, a version information server in which information for specifying a new version of the software is stored in advance is accessed.
- a step of determining whether the software of the user terminal device is the new version based on the information specifying the new version, and updating the software if it is determined that the software is not the new version Access the file server that stores the files for Transmitting a file used for updating the software from the file server to the user terminal device; and updating the software to be updated to the new version based on the transmitted file. Transmitting a file indicating a file necessary for executing the software updated to the new version to the user terminal device, and using the transmitted information to execute the updated software. Deleting unnecessary files from the user terminal device.
- a user terminal device connected to a network and having predetermined software installed thereon, and software connected to the network and installed in the user terminal device
- a software update system which comprises a file server storing files for updating the latest version of software.
- the software update system executes identification information for identifying the file server storing a file for updating to the latest version of software, and executes the latest version of software on the user terminal device.
- a version information server is provided for storing list information indicating a list of file names required above.
- the user terminal device accesses the version information server, acquires the identification information and the list information from the version information server, accesses the file server based on the acquired identification information, Acquiring means for acquiring a file corresponding to the version of the software from the file server via the network, and converting the existing software to the latest version of the software based on the file acquired by the acquiring means. Updating means for updating; and unnecessary file deleting means for deleting files unnecessary for executing the latest version of the software based on the list information acquired from the version information file by the acquiring means. Have.
- a user terminal device connected to a network is provided.
- a software update method in a system including a storage device and a file server is provided.
- a file for updating software installed in the user terminal device to the latest version of software is stored in the file server, and the latest information is stored in the version information server.
- Identification information for identifying the file server that stores the file to be updated to the latest version of software, and the file name required to execute the latest purge software on the user terminal device The list information indicating the list of is stored.
- causing the user terminal device to access the version information server; acquiring the identification information and the list information from the version information server; accessing the file server based on the acquired identification information; To obtain a file corresponding to the version of its own software via the network. Further, in the user terminal device, the existing software is updated to the latest version of the software based on the obtained file, and the latest version of the software is updated based on the list information obtained from the version information file. Delete files unnecessary for execution.
- a step of accessing, via a network, a file server that stores a file for updating to the latest version of software A software update program is provided that causes a computer to execute a step of obtaining a corresponding file and a step of updating existing software to the latest version of software based on the obtained file.
- This software update program implements the following processing steps.
- the network is stored in a version information server that stores identification information for identifying the file server that stores a file for updating to the latest version of software. Access via A step of acquiring identification information from the version information server; and a file server storing a file corresponding to the version of the own software based on the acquired identification information via the network. Step of obtaining the list of file names necessary for executing the latest version of the software, and the latest version of the software based on the list of necessary file names. Deleting files unnecessary for executing the software.
- a software updating system for upgrading software used in a user terminal device.
- the software update system includes: a file server storing a file for updating software to air stored in the user terminal device to a new version; and a new version of software used in the user terminal device. And a version information server storing identification information for specifying the file server storing a file for updating the software to a new version. Have. If the software used in the user terminal device is not the new version, the version information server transmits identification information of the file server storing a file used for purging up to the user terminal device. . When receiving a request from the user terminal device, the file server transmits a file used for the purge file to the user terminal device.
- one of the version information server and the file server stores a list of files necessary for executing the software updated to the new version, and specifies unnecessary files on the user terminal device. Send this list information to In this case, the unnecessary file may be deleted before performing the update to the new version, and one of the version information server and the file server may update to the new version. Stores a list of files that are not necessary to execute the software
- the file server may be configured to transmit information to the user terminal device, and the file server may be configured to update to the new version according to a version of software installable on the user terminal device and an operation environment of the user terminal device. A plurality of files for updating may be stored.
- the system may further include an environment information server that stores information on operating environments of the plurality of user terminal devices connected to the software update system.
- a software updating method for upgrading software used in a user terminal device it is determined whether the version of the software to be updated used in the user terminal device is a new version, and if it is determined that it is not the new version, the software version is determined according to the version of the software.
- a software update program for causing a computer of the user terminal device to execute a process for updating software used in the user terminal device.
- the software update program accesses a version information server in which information for specifying a new version of the software is stored in advance.
- a step of determining whether the software of the user terminal device is the new version based on the information specifying the new version, and updating the software if it is determined that the software is not the new version Accessing a file server that stores a file for updating the software from the file server to the user terminal device; and, based on the transmitted file, Software updated to the new version
- FIG. 1 is a block diagram showing a configuration of a server / client system which is a software update system according to a first embodiment of the present invention.
- FIG. 2 is a chart showing the contents of a version information file in the server Z client system of FIG.
- FIG. 3 is a chart showing the contents of a version information file according to another example applicable to the server / client system of FIG.
- FIG. 4 is a flowchart for explaining the operation of the server Z client system in FIG.
- FIG. 5 is a flowchart for explaining the deletion of unnecessary files according to another example applicable to the server Z client system having the configuration shown in FIG.
- FIG. 6 is a block diagram showing a software updating system according to a second embodiment of the present invention.
- FIG. 7 is a chart showing the contents of information held by the environment server in the server Z client system of FIG.
- FIG. 8 is a flowchart for explaining the operation of the first server in the server / client system in FIG.
- FIG. 9 is a flowchart for explaining the operation of the second server in the server client system of FIG.
- FIG. 10 shows a software update according to the third embodiment of the present invention.
- FIG. 11 is a chart showing the contents of information held by the environment server in the server / client system of FIG.
- FIG. 12 is a chart showing a version information file in the server client system of FIG.
- FIG. 13 is a diagram showing a software update system according to another embodiment of the present invention in comparison with FIG.
- FIG. 14 is a diagram showing a software updating system according to another embodiment of the present invention in comparison with FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram showing a configuration of a server system to which a software update system according to a first embodiment of the present invention is applied.
- a client terminal 1 is a user terminal which is a client computer in this system.
- the client terminal 1 has various application software installed in accordance with the purpose.
- the client terminal 1 holds a file in which information (version number) on the version of the application software owned by the client terminal 1 is described.
- the first server 2 holds a version information file that describes information on the latest application software version number.
- the version number is information for determining whether the application software is new or old.
- the version information file contains the IP address of the first server 2 which is identification information for identifying a server (hereinafter, referred to as a first server) 2 that manages version information of the application,
- the server for taking in the latest application (hereinafter referred to as the second server) 3 It consists of the IP address, version number, and a list of file names required on the client.
- FIG. 2 is a diagram showing an example of this version information file, in which the client terminal 1 is identified by the client IP which is the identification information of the client terminal 1, and a series of processing described later is executed.
- the IP address of the first server 2 the IP addresses of the normal time and the time over are recorded.
- the IP address of the second server 3 is assigned to each client terminal 1 as the IP address of the second server 3.
- a version number is set for each version of the operating system, and unnecessary file names (“A AA”, “B B B”, etc.) are recorded for each version of the operating system.
- the environment of the client terminal 1 can be determined based on information identifying the device of the client terminal 1, and a series of processes described later can be executed. In this case, as shown in FIG. Can be configured.
- the IP address of the second server 3 is assigned according to the location detected when the client terminal 1 logs in.
- the second server 3 has a plurality of compressed files of the latest application software according to the version of the application software in the client terminal 1.
- the above-described client terminal 1, first server 2 and second server 3 are connected by a network 4 such as an intranet.
- a network 4 such as an intranet.
- which application software (compressed file) is present in each server is determined by the IP address of the second server 3 described above with reference to FIGS. 2 and 3, the first server 2 Of the version information file stored in Server's IP address for importing applications. (1-2) Operation of the first embodiment
- FIG. 4 is a flowchart for explaining the operation of the present embodiment.
- a version information file is obtained from the first server 2 using an FTP (File Transfer Protocol) or the like (step S10).
- the version number of the version information file acquired from the first server 2 is compared with the version number on the client side (step S12). Then, it is determined whether or not both version numbers are the same (step S14). If the version numbers are the same, the application software is not upgraded.
- FTP File Transfer Protocol
- Step S16 a compressed file corresponding to the own version is obtained from the second server 3 having the latest application by FTP or the like.
- the second server 3 avoids concentration on a specific server by changing for each user terminal according to conditions described in the version information file or random selection, thereby reducing network load. Dispersing is also effective.
- the client terminal 1 decompresses the acquired compressed file and overwrites the existing ablation software (step S18). Then, the files not described in the list of the purge information files are deleted (step S20).
- the client terminal 1 when upgrading the application software, the client terminal 1 needs to obtain the compressed file of the purge file corresponding to its version from the second server 3. In this way, the following methods can be used to obtain the compressed file corresponding to the own version.
- the second server 3 assuming that the versions of the application software in the client terminal 1 are various, a group of files obtained by compressing the difference files for each version (this file name is a file name according to a certain rule) is used. I have. For example, if the application on the client terminal 1 updates the version of “R ev * * *”, a compressed file with the file name “R ev * * *” on the second server is obtained and the client terminal 1 You can expand it on 1 and delete unnecessary files that are not in the list of purge information files.
- the latest application software (compressed file) may be downloaded, and after the compressed file is expanded, unnecessary files may be deleted. It is also possible to download the application software (compressed file) and then delete the unnecessary file and then expand the compressed file. This is to prevent the client terminal 1 from hanging up (stopping) when the compressed file is decompressed because the decompressed file is too large.
- FIG. 5 is a flowchart for explaining the operation of updating the application software in the order of downloading the compressed file, deleting unnecessary files, and expanding the compressed file. That is, in FIG. 5, the order of steps S30, S32, and S34 is the same as steps S10, SI2, and S14 in FIG. 4, but if the version numbers are not the same, First, the version information file The file not described in the list is deleted (step S36), and then the compressed file corresponding to the own version is obtained from the second server 3 having the latest application by FTP or the like (step S36). 38) Then, the obtained compressed file is expanded and overwritten on the existing application software (step S40). In this way, by deleting unnecessary files before decompressing, it is possible to prevent the client file 1 from hanging up (stopping) because the decompressed file is too large.
- the version information file held by the first server 2 holds a list of file names necessary for executing the latest application on the client, and the required file name list is stored.
- unnecessary files are deleted according to the list, an unnecessary file name list may be maintained instead, and the unnecessary files may be deleted according to the unnecessary file name list.
- the second server 3 constitutes a file server that stores a file for updating software stored in the client terminal 1 as a user terminal device to a new version
- the first server 3 The server 2 is configured to constitute a version information server that stores version information for identifying a new version of software used in the user terminal device and identification information for identifying a corresponding file server.
- the version of the application software that has not been used for a long time can be upgraded without being aware of the version of the application software on the client side.
- the user of the client terminal 1 can use the application software without being conscious of whether or not the application software is the latest. Also, since the application software can be used on the assumption that it is always up-to-date, when this software cannot be used, there is a merit that it is easy to infer that the cause is in the network or the hardware of the main unit. .
- a system to which the software updating method according to the present embodiment is applied includes, for example, as shown in FIG. 6, a user terminal which stores application software to be updated and which is used by a user to execute the software.
- the servers and the like in FIG. 6 are denoted by the same reference numerals as the corresponding components described above with reference to FIG. In the following description, a description of a configuration common to the first embodiment will be omitted, and a different configuration will be described.
- the user terminal 1 is composed of, for example, a computer provided with a CPU, a memory, and a network connection unit, and includes application software to be updated and information on its version.
- the first, second and third servers 2, 3 and 5 are, for example, CPU and memory
- the first and second servers have a network connection unit for enabling connection with the user terminal 1 via the network 4.
- the first server 2 holds a version information file defining information on the latest version of application software to be updated.
- the version information file includes, for example, the IP address of the server that manages the version information of the application software (in this case, the first server 2) and the server that loads the latest application (in this case, the second server). 3) IP address, identification number of latest version, etc. are included.
- the second server 3 uses a program file for updating the application software to be updated or a compressed file thereof with various versions and user terminals 1 held by the user terminal 1. It has multiple types to support various operating systems ( ⁇ S). Although only one second server 3 is shown in this embodiment, a configuration in which a plurality of servers are provided may be used. In this case, in the same manner as described above for the first embodiment, distribution is performed based on the IP address of the user terminal 1 and division is performed for each department to which the user terminal 1 belongs or for each region where the user terminal 1 is located. The second server 3 may be assigned to the server. Also, a program file or its compressed file for appropriate version upgrade is transmitted to the server 3 from a higher-level reference file server, and the same file may be prepared for all of them even if there are plural units.
- the third server 5 is a server that manages information on a plurality of user terminals registered in advance.
- the server 5 includes, for example, an environment information file relating to the operating environment of the user terminal 1, such as an IP address of the user terminal 1, an administrator, owned application software, and an operating system used, and information on the last update date and time. Etc. are held.
- an environment information file relating to the operating environment of the user terminal 1, such as an IP address of the user terminal 1, an administrator, owned application software, and an operating system used, and information on the last update date and time. Etc. are held.
- FIG. 6 only one user terminal 1 is illustrated.
- the configuration may include a number of user terminals 1.
- FIG. 7 is a chart showing an example of information stored in the third server 5.
- the information includes the machine name of user terminal 1, the IP address, the administrator, the location specified by login, the operation system, and the date and time of the last update.
- various types of information that can specify the user terminal 1 can be applied to the information that specifies the user terminal 1.
- information on a location specified by login may be used, and a unique terminal name and a unique user name can be widely applied.
- the date and time of the last update is necessary when judging whether or not a file for upgrading on the second server 3 is still required.
- the processing at user terminal 1 is from server to user terminal 1 A program that is transmitted, and the transmitted program is executed on the user terminal 1.
- a predetermined program may be transmitted to the application software to be updated installed on the user terminal 1 in advance. The program may be added, and the predetermined program may be executed in response to a control signal transmitted from the server or a user operation.
- a program that implements this detection processing and the processing performed by the user terminal 1 described below may be included in the application software to be updated itself, or may be included in the system of the user terminal 1 together with the application software. It is good also as a structure provided.
- the user terminal 1 When the application software to be updated is started on the user terminal 1, the user terminal 1 connects to the first server 2 using the network connection unit, and updates the currently used application software. A file transfer request is transmitted to the first server 2 together with the version information of the software, and a version information file relating to the application software is acquired.
- the first server 2 receives the file transfer request from the user terminal 1 and determines whether or not the version of the application software used on the user terminal 1 is the latest as shown in FIG. Steps S50, S52, S54), and transmits a version information file corresponding to the result to the user terminal 1 (step S54). If it is determined that the version of the application software of the user terminal 1 is not the latest version, a message indicating the fact is displayed on the user terminal 1 and the user for instructing the execution of the version upgrade is displayed. A program for implementing a process for controlling the user terminal 1 is also transmitted so as to accept the operation. Note that the configuration may be such that the determination as to whether or not the above-mentioned version is the latest is made by the user terminal 1 instead of the first server 2. In this case, the first server 2 sends information indicating the latest version to the user terminal 1 together with the above version information, and determines whether the application software used in the user terminal 1 is the latest version.
- the version information file when a user operation for instructing a version upgrade is received, a process for accessing the second server 3 and obtaining a file for performing the version upgrade defined in the version information file is performed.
- a program for realizing or starting the processing is included.
- this program When this program is started by a user operation in the user terminal 1, a file transfer request for acquiring a file required for version up is transmitted from the user terminal 1 to the second server 3, and (2) Receives the file for version upgrade sent from server (3), displays a message indicating that the file has been received, and indicates whether to start the received file and perform version upgrade.
- the user terminal 1 is controlled so as to accept the request from the user.
- Step S60, S62 When a file transfer request such as FTP or HTTP is sent from the user terminal 1, the second server 3 detects the operation environment of the user terminal 1 as shown in FIG. 9 ( Steps S60, S62). For example, using the IP address or the like, which is the identification information of the user terminal 1 indicated by the transmitted file transfer request, as a key, an environment information file regarding the operating environment of the user terminal 1 held by the third server 5 is stored. The search is performed to detect the operating environment of the user terminal 1 such as the OS used in the user terminal 1 (step S62).
- the second server 3 transmits to the user terminal 1 a file group or a compressed file for performing a purge match suitable for the detected operating environment of the user terminal 1 (step S64).
- the above version was upgraded.
- the information indicating the list of files necessary for execution of the application software or unnecessary files is transmitted to the user terminal 1 together.
- the user terminal 1 can delete unnecessary files by using the transmitted list information.
- a list of file names required for software update is obtained from the first server 2, and before upgrading, unnecessary files are deleted in advance based on the obtained list.
- the application software is easily and reliably updated as needed according to the operating environment of the user terminal 1, and unnecessary files are easily and reliably deleted. be able to.
- a third server 5 is connected to a first server 2 as shown in FIG.
- the first server 2 acquires the environment information of the user terminal 1 from the third server 5, and the first server 2 obtains the version information file based on the environment information. Update the content.
- the third server 5 holds the same kind of operating environment file as the third server 5 in the second embodiment.
- FIG. 11 is a chart showing the contents of the operating environment file stored in the third server 5 according to this configuration.
- the user terminal 1 is specified based on the location information specified by the login.
- the processing proceeds as follows. .
- (1) Access the first server 2 by FTP or the like to check whether the version of the application software to be updated used on the user terminal 1 is the latest version.
- the IP address of the user terminal 1 is detected by the first server 2, and based on this IP address information, information about the environment of the user terminal 1 is transmitted from the third server 5 having environment information (location, Obtains OS information, last update date, etc.) and a version information file corresponding to the user terminal (IP address of the first server 2, IP address of the second server 3, version number, required or unnecessary) File name list, etc.), and the user terminal 1 acquires the file. Since a plurality of user terminals 1 may access simultaneously, the generated file is generated in a unique name or a unique folder corresponding to the user terminal. Further, the file may be generated before the user terminal 1 accesses the first server 2.
- the user terminal 1 compares the latest version described in the file with the version of the application on the user terminal 1.
- the file for upgrading from the second server 3 described in the version information file is included in order to capture the latest application file described in the file.
- the user terminal 1 acquires the file group.
- the second server 3 assumes that the version upgrade on the user terminal 1 has been completed, and changes the information on the update H of the third server 5 to the time when the acquisition is completed.
- the third server 5 which manages the information of the last update date and time of the user terminal 1, checks the version update progress for each OS information each time the information of the last update date and time of the user terminal 1 is renewed, and retains it. Files required for version upgrades that are no longer needed The file or group of files is deleted from the reference file server and each file server.
- FIG. 12 is a chart showing an example of a version information file by the first server 2. In this version information file, the item indicated by the symbol A is generated in the first server 2 from the environment information acquired from the third server 5.
- FIG. 12 is an example of the machine name AAA shown in FIG.
- the process at the user terminal 1 may be realized by transmitting a program from the server to the user terminal 1 and executing the transmitted program at the user terminal 1, or A predetermined program is added to application software to be updated installed in the user terminal 1 in advance, and the predetermined program is executed in response to a control signal transmitted from the server or a user operation. It is good also as composition which performs.
- the configuration is such that the user's operation regarding the necessity of the version upgrade and the execution of the version upgrade is received, but the present invention is not limited to these configurations.
- a configuration may be adopted in which, when the version of the application software to be updated is not the latest version without receiving an operation from the user, the update is automatically performed.
- the third server 5 of the above embodiment may be configured to manage the software update status in addition to the storage of the environment information file.
- the third server 5 is configured to hold a file storing version information of application software and information on an update operation of the application software in a plurality of user terminals 1 registered in advance.
- the second server 3 updates the user terminal 1 to When the application software is sent to the third server 5, the result of the sending operation is sent to the third server 5. According to such a configuration, the update status of each user terminal 1 can be grasped.
- the second server 3 may delete all the files relating to the application software that has become unnecessary. According to such a configuration, unnecessary files can be appropriately deleted, so that the second server 3 can be used more efficiently.
- the third server 5 manages the update work of the application software in the user terminal 1 registered in advance, so that the application software which is not originally an update target or the unregistered application software is not updated. By checking whether there is access from one user, it is possible to prevent unauthorized update work.
- the third server 5 is directly connected to the first or second server 2 or 3 has been described.
- the present invention is not limited to this, and the first or second server 2 may be connected.
- the third server 5 may be connected to the third server 5 via the network 4.
- the present invention is not limited to this, and FIGS. As shown in FIGS. 13 and 14 in comparison with FIG. 10, a reference file server for centrally managing files and the like related to updates held in these multiple computers should be provided. You may. It should be noted that the first, second, and third servers 2, 3, 5, and the file-based server may all be implemented on the same hardware.
- the user terminal 1 in the above embodiment is not particularly limited as long as it is a computer device having a network connection function, and may be, for example, an information terminal such as a game machine or a PDA.
- the present invention has a great effect in the user terminal 1 which executes application software such as accounting, business trip settlement, and labor management used in business.
- application software such as accounting, business trip settlement, and labor management used in business.
- update work for business application software is mainly performed during business hours, and it is necessary to complete processing at fixed intervals such as the end of the month and the beginning of the month. Load tends to concentrate during a specific period of time.
- it is used in business it is necessary to download it immediately and reliably.
- the software updating system of the above-described embodiment the updating operation can be performed more easily and more accurately even when used in a wide variety of forms.
- a game machine with a network connection function is used as a user terminal, after ending a certain program, the version of the application software is determined, and if necessary, updated or new application software is sent. May be performed.
- download a new scenario at the end of a certain scenario This not only reduces the burden on the game machine, but also makes it possible to analyze the game machine without permission and not to analyze the future of the scenario. It is also possible to measure the progress of the user based on the download status.
- the present invention is not limited to this. Can be widely applied.
- it is possible to easily and accurately upgrade the software of a client terminal, and to delete software which can delete unnecessary files accompanying a version upgrade.
- An update system and method, or a program that implements the method can be provided.
- the present invention relates to a software update system, a software update method, and a software update program, and can be applied to providing various programs on a network.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2002574065A JPWO2002075525A1 (ja) | 2001-03-19 | 2002-03-19 | ソフトウエア更新システム、ソフトウエア更新方法、およびソフトウエア更新プログラム |
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Also Published As
Publication number | Publication date |
---|---|
US20040158817A1 (en) | 2004-08-12 |
JPWO2002075525A1 (ja) | 2004-07-08 |
EP1372063A1 (en) | 2003-12-17 |
US8201162B2 (en) | 2012-06-12 |
EP1372063A4 (en) | 2008-03-19 |
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