JP2001265685A - Service creation server and network system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a service creation server and a network system capable of smoothly transferring service while there is the problem that it is difficult to smoothly perform the service when the provision side of the service and the utilization side of the service are diversified in a conventional network system. SOLUTION: A service request and service utilization side information transmitted from the service utilization side such as a personal computer 15 are received in a server 12. Service provision side information is added further in the server 12 and the transmitted information is received and analyzed. A required service module is acquired from a service element data base 17 and transmitted to the server 12 and the personal computer 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a service creation server and a network system for changing settings related to services transferred on a network and distributing program modules.

[0002]

2. Description of the Related Art In recent years, with the development of networks including the Internet, various elements on a network have come to communicate with each other in various forms. Initially, only a limited number of workstations were connected by a dedicated line. In recent years, however, a home personal computer can be connected via a telephone line, and a PDA (personal digital assistance) using a mobile phone. In addition to the connection of a small portable terminal such as the one described above, a portable telephone having a function as a portable terminal itself has been developed.

Conventionally, service states in these network systems will be described with reference to FIG.
As shown in FIG. 6, a conventional general network system includes a server 2 including a service site 1, a relay node 3, a gateway 4, a telephone line service 7 including a wireless communication facility 5 and a public telephone line facility 6. And the browser 8a
And a personal computer 10 including a browser 8b. It is to be noted that the entire configuration is originally connected and arranged with more various components to this network system. However, for the sake of explanation, the description is limited to these components.

[0004] The service site 1 generally has a plurality of HTMs.
L (HyperText Markup Language) documents, image data used with them, and CGI (Common Gateway Int.)
erface) program, various Java programs, and data to be processed by the browser on a specific plug-in (for example, Flash (trademark) of Macromedia, USA) are included as content data. The server 2 distributes the content data in response to the request received via the network. Relay node 3
Relays data transmitted and received on the network in packet units. The gateway 4 interconnects different types of networks. The wireless communication equipment 5 is a system such as a PHS or a mobile phone, and includes a management station for managing location registration information of each mobile phone (including the PHS) and base stations arranged in various places. (PSTN
To ISDN). The public telephone line equipment 6 is a PSTN or I as a public telephone line.
It includes an exchange system for exchanging data transmitted and received via SDN networks and these networks. The telephone line service 7 transmits and receives data related to the service through these wireless / wired lines.

[0005] The browser 8 is a processing program such as Netscape Navigator (trademark) for analyzing and displaying an HTML document. Generally, in these browsers, each data is stored in MIME (Multipurpose Internet Mail Extension).
sions), and how to handle each type of data is set in advance in the browser 8, and the browser processes each data based on this setting. Specifically, a table as shown in FIG. 7 is set in the browser 8 in advance. In this table, for example, FIG.
As shown in, the HTML is specified to be processed by the browser itself as TEXT (text).
The moving image data of the EG (Motion Picture Experts Group) is specified as an MPEG data to be output to a plug-in (a service module for extending a browser function) using QuickTime (trademark) to be processed. The browser 8 has a Java VM (Virtual Machine) for executing a Java applet.
e) and those in which the plug-in execution environment is set up (mainly operating on a personal computer) and those without (mainly operating on a mobile phone or the like).

[0006] The mobile phone 9 has a browser 8a in which the execution environment of JavaVM and plug-ins is not set up.
Including PDC (personal digital cellular) and CD
Data related to the service is exchanged with the wireless communication equipment 5 by an MA (Code Division Multiple Access) method or the like. The personal computer 10 includes a modem and a TA (Tarminal).
Adapter) and the like, it is connected to a telephone line network including ISDN, and exchanges service-related data with the public telephone line equipment 6.

Conventionally, in order to receive a service via a network, for example, a personal computer 10 is operated to access a gateway 4 via a public telephone line facility 6 of a telephone line service 7 via a telephone line network. ,
In addition, the browser 8b on the personal computer 10
To access the gateway 4. The gateway 4 transmits the data received via the telephone network to the server 2 via the plurality of relay nodes 3. The service consumer makes a request from the mobile phone 9 or the personal computer 10 to the service site 1 via such many relay points to acquire the content data.

[0008] Here, the content data is stored in an MPEG format.
When the data is associated, the MPEG data is transmitted from the service site 1 to the relay node 3 on the network together with the MIME code for the MPEG data.
Hops and arrives at the gateway 4, which is connected to the personal computer 10 via the telephone line network.
The browser 8b reads the appropriate plug-in with reference to the MIME code, processes the data by the plug-in, and displays the result.

On the other hand, in the access from the mobile phone 9,
Except for the use of the wireless communication equipment 5, data related to the service is exchanged via the same route as that from the personal computer 10. However, since there is no environment for executing the plug-in, processing related to the plug-in is performed. Without seeing the MPEG data.

Further, in the personal computer 10, when a necessary plug-in is not installed, there is also a browser 8b which is set to access a web page providing the plug-in and perform a plug-in acquisition process. .

[0011]

However, in the above-mentioned conventional network system, a network including a service providing side for providing a service, a browser side for enjoying the service, and a provider for relaying data relating to the service between the two. If the above nodes do not properly handle the data related to the service, the browser will not be able to enjoy the service, but as the types of nodes on the network including the service providing side and the service using side diversify, However, it is difficult to properly handle data in all nodes, and it is difficult to provide services smoothly.

The present invention has been made in view of the above circumstances, and has as its object to provide a service creation server and a network system that can smoothly provide a service.

[0013]

According to a first aspect of the present invention, there is provided a communication system in which a predetermined service is provided from a service providing side to a service using side via a network. Means for recognizing at least one of an existing service providing function of the service providing side and an existing service using function of the service using side as an existing service configuration, and the contents of the predetermined service and the recognition. Means for expanding the existing service configuration of at least one of the service providing side and the service using side in accordance with the result of the above.

According to a second aspect of the present invention, there is provided a service creation server connected to a system in which a predetermined service is provided from a service providing side to a service using side via a network. Means for recognizing an existing service providing function of the service providing side and an existing service using function of the service using side as an existing service configuration, and according to the content of the predetermined service and a result of the recognition, Means for selecting a service module for extensibly changing the existing service configuration of at least one of the service providing side and the service using side;
Means for providing the service module to at least one of the service providing side and the service using side.

An invention according to claim 3 for solving the problem of the above-mentioned conventional example is a service creation server, which acquires a service request from a service using side to a service providing side via a network. Means, selecting means for selecting a service module required for providing the service as an extended service module in response to the service request, and at least one of the service providing side or the service using side for selecting the selected extended service module. And distribution means for distributing to one side.

According to a fourth aspect of the present invention, there is provided a service creation server for obtaining a service request from a service using side to a service providing side via a network. Means, means for specifying an existing service module of the service using side and service providing side as information of the existing service module, and necessary for providing and using the service according to the service request and the existing service module information. And a means for distributing the extended service module to at least one of the service providing side and the service using side.

According to a fifth aspect of the present invention, there is provided a service creation server according to the third or fourth aspect, wherein the first matching between the selected extended service modules is performed. And a verification unit for verifying at least one of the extended service module and the second consistency between the extended service module and the existing service module.

According to a sixth aspect of the present invention, there is provided a service creation server according to the fifth aspect, wherein the verification means comprises a service providing side and a service using side. Means for constructing a virtual environment, and means for operating the group of extended service modules in the virtual environment, wherein the presence or absence of a malfunction in the virtual environment is detected and the consistency is verified. .

According to a seventh aspect of the present invention, there is provided a service creation server according to any one of the third to sixth aspects, wherein the distribution unit distributes each module specified by the selection unit. It is characterized by including means for setting the order and means for distributing each module based on the setting.

According to an eighth aspect of the present invention, there is provided a service creation server according to the seventh aspect, wherein the means for setting the distribution order starts distribution from a service using side. It is characterized in that the setting is made and the delivery is finally made to the service providing side.

According to a ninth aspect of the present invention, there is provided a system for providing a predetermined service via a relay station from a service providing side to a service using side via a network. Means for recognizing at least one of the existing service providing function of the service providing side, the existing service providing function of the relay station, or the existing service using function of the service using side as an existing service configuration, Means for expanding an existing service configuration of either the service providing side, the relay station, or the service using side in accordance with at least the content of the predetermined service and the result of recognition.

According to a tenth aspect of the present invention for solving the problems of the conventional example,
A service providing apparatus that provides a service requested via a network, a service using apparatus that outputs a service request to the service providing apparatus and enjoys a service, and a service creation server; The creation server recognizes at least one of the existing service providing function of the service providing side and the existing service using function of the service using side as an existing service configuration, and according to the contents of the service request and the result of the recognition. Means for expanding and changing an existing service configuration of at least one of the service providing side and the service using side.

[0023] The invention according to claim 11 for solving the problem of the conventional example is provided in a network system.
In response to a service request from the service using side to the service providing side and an existing service function of the service using side and the service providing side, the requested service is provided to at least one of the service providing side and the service using side. The software is provided for providing the service.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 As shown in FIG. 1, the network system according to the first embodiment of the present invention includes a server 12 including a service site 11, a plurality of relay nodes 3, a gateway 4, a wireless communication facility 5, and a public telephone line. It is composed of a telephone line service 7 including the equipment 6, a mobile phone 14 including the browser 13, a personal computer 15 including the browser 13, a service creation server 16, and a service element database 17. Connected to the network.

As shown in FIG. 2, the service creation server 16 includes a system status monitoring unit 18 and a request receiving unit 1.
9, a request analysis unit 20, and a request analysis database (D
B) 21, a requirement database search unit 22, a requirement database management unit 23, a requirement database 24, a requirement database registration unit 25, a service component database management unit 26, a service component database search unit 27, , A download unit 28, a service group verification unit 29, a service management unit 30, a service storage unit 31, a transmission control unit 32, and a transmission unit 33. In addition, the service element database 17 stores the
As shown in, the server service database 34,
The terminal service database 35 is basically configured. Parts having the same configuration as the conventional one are denoted by the same reference numerals, and detailed description is omitted.

The request analysis unit 20 and the request condition database search unit 22 of the service creation server 16 include a download unit 28 as means for recognizing the existing service configuration of the present invention.
, A service group verification unit 29, a service management unit 30, and a service storage unit 31 as means for expanding the existing service configuration, and the system state monitoring unit 18 and the request reception unit 19 as acquisition means. The database search unit 22, the service element database search unit 27, and the database management unit 26 select or select service modules. The transmission control unit 32 and the transmission unit 33 provide or distribute service modules. The verification unit 29 corresponds to a verification unit.

Hereinafter, each part will be described in detail. The service site 11 is the same as the conventional service site 1. The server 12 transmits the content request arrived from the browser side as a service request to the service creation server 16 as it is, and also transmits the content request itself (and the content).
The information of the service providing side that specifies is transmitted. Further, the server 12 receives the reply of this request as it is from the service creation server 16 described later, and receives the service module distributed together with this reply. Then, it is determined whether the received service module is addressed to itself, and if it is addressed to itself, this service module is installed and activated, and the service associated with the returned request is implemented. Further, if the service module received from the service creation server 16 is not addressed to itself, the server 12 transmits the service module to the browser,
Perform the service associated with the returned request. Here, the execution of the service indicates that data relating to the service is transmitted.

The browser 13 transmits a service request by transmitting a URI (Uniform Resource Identifier), similarly to the conventional browser 8. A characteristic of the present embodiment is that the browser 13 transmits a service request including information on a service using side (a mobile phone, a personal computer, or the like). Mobile phone 1
4 performs processing of the browser 13, receives and installs a service module distributed by the service creation server 16 from the server 12 via the wireless communication facility 5, activates the service module, and performs service use processing. Is performed together with the browser 13.

The personal computer 15 performs the processing of the browser 13, receives and installs the service module distributed by the service creation server 16 from the server 12, activates the service module, and executes the service use processing on the browser. Perform with 13.

The service creation server 16 recognizes the existing service configuration set in the mobile phone 14 or personal computer 15 as the service using side and the server 12 as the service providing side.
2, a process of detecting a missing service module based on the recognized service configuration and the service request content, and distributing the service module is basically performed. . The operation of the service creation server 16 will be described later in more detail.

The service element database 17 is a server service database 3 storing service modules to be delivered to the server 12 on the service providing side.
4 and a terminal service database 35 storing service modules to be delivered to the mobile phone 14 or the personal computer 15 as a service using side. The service module is read out in response to a request from the service creation server 16. To the service creation server 16.

Here, the operation of the service creation server 16 will be described. The system state monitoring unit 18 of the service creation server 16 monitors network conditions such as disconnection of a telephone line, and outputs a result of the monitoring to the request analysis unit 20.
Specifically, this monitoring is performed by transmitting a polling packet and responding to the packet. The request receiving unit 19 receives terminal information and service providing side information together with the service request via the server 12 and outputs the information to the request analyzing unit 20. The request analysis unit 20 refers to the request analysis database 21 and outputs basic information for specifying a required service module according to a service request or a network condition. Requirements analysis database 21
As shown in FIG. 3, basic information for specifying a required service module in accordance with a service request, a network situation, and the content of service providing side information is stored in association with each other.

For example, as shown in FIG. 3, when the content of the service request is “MPEG4 video playback” and the content content indicated in the service providing side information is “MPEG2”, as shown in FIG. The program modules executed on the service using side and the service providing side required for the reproduction are stored in association with each other. In this case, for example, an MPEG4 playback module is required on the service use side, and the
This indicates that a module for converting to G4 data is required. Also, the content of the service request is "E-commerce"
If the service provider has no security-related function based on the service provider information, SSL (Secure Socket Layer) for implementing the security function
A module for realizing communication and a module for personal authentication are specified.

Further, the basic information includes not only information executed on the service providing side but also service modules executed on the service using side. For example, if the content on the service providing side is MPEG4 video and the service request is “MPEG4 video playback”, the service
A service module for G4 playback is specified.

The request condition database search unit 22 searches the request condition database 24 using the information of the terminal as a key and, among the service modules represented in the basic information, as a reference information representing a service module suitable for the service use side. Generate the service module key on the service user side. The request condition database search unit 22
Searches the request condition database 24 using the information of the service providing side as a key, and generates a service providing side service module key as reference information for a service module suitable for the service providing side among the service modules represented in the basic information. . Further, the request condition database search unit 22 outputs to the service group verification unit 29 information indicating how to combine and deliver these compatible service modules as a combination parameter. In the following description, the service module key on the service using side and the service module key on the service providing side are abbreviated as a service module key.

The requirement database management unit 23 edits the requirement data stored in the requirement database 24 based on the data input from the requirement database registration unit 25. Requirements database 2
4, as shown in FIG. 4, reference information of a suitable service module is set in association with the basic information, the service using side information and the service providing side information. If a service module is unnecessary in relation to an existing service module, this is indicated.

The request condition database registration unit 25 stores the service use side information or the service provision side information and the existing service corresponding thereto based on information input from the administrator who manages the service creation server 16 in the request condition database. 24 and stored.

The service element database management unit 26
Using the search formula information input from the service element database search unit 27, a corresponding service module is searched from the service element database 17, and if the corresponding service module is found, reference information indicating a storage location of the service module. To the download unit 28. The service element database search unit 27, based on the service module key input from the request condition database search unit 22,
7 is generated and output to the service element database management unit 26.

The download unit 28 uses the reference information input from the service element database management unit 26 to
The corresponding service module is downloaded from the service element database 17, output to the service management unit 30, and stored in the service storage unit 31. Here, the service module stored in the service storage unit 31 corresponds to the extended service module of the present invention.

The service group verification unit 29 verifies the consistency between the service modules stored in the service storage unit 31. Specifically, this verification can be realized by examining a data format that can be handled by each service module and a data format that each service module outputs. In other words, the service module that converts an MPEG2 image into an MPEG4 image and outputs it matches the service module that displays an MPEG4 image, but the former conversion service module that outputs MPEG4 and a service that displays a motion JPEG image. It is determined that it does not match the module.

Further, the service group verification unit 29 determines that the service module stored in the service storage unit 31 is the browser 1 of the mobile phone 14 or the personal computer 15.
Third, it is verified whether or not each device matches the existing service module. In this verification, the current virtual environment of each device may be constructed, and the service modules stored in the service storage unit 31 may be executed in the virtual environment to verify by emulation whether they match. The processing of the service group verification unit 29 corresponds to a means for constructing the virtual environment of the present invention and a means for operating the extended service module in the virtual environment. Further, when the service group verification unit 29 succeeds in the verification and determines that the service groups are consistent, the service group verification unit 29 outputs to the transmission control unit 32 an instruction to transmit the service module that has completed the verification.

The service management unit 30 stores the service storage unit 3
1 is managed in association with a service request, service use side information and service providing side information. In addition, the service management unit 30
Upon receiving an input of a request for acquiring a service module from the service group verification unit 29, the service module verification unit 29 outputs the requested service module to the service group verification unit 29. Further, the service management unit 30 receives an input of a request to acquire a service module from the transmission control unit 32, and outputs the requested service module. The service storage unit 31
Stores service modules.

The transmission control unit 32 includes a service group verification unit 29
Receives an instruction to transmit a service module from the server, outputs a request to acquire the designated service module to the service management unit 30, acquires the service module, and further issues a related service request from the service management unit 30. Acquired, together with these are output to the transmission unit 33 and transmitted to the server 12.

As described above, in the network system of the present embodiment, the mobile phone 14
Or the personal computer 15 adds terminal information to the service request from the browser 13 to the service site 11 and transmits the service request to the server 12, and the server 12 further adds service providing side information to the service request to provide a service creation server. Then, the service request is transmitted to the server 16. The service creation server 16 receives this service request,
The contents are analyzed to identify the corresponding service module, and at the same time, the existing service of the service using side and the existing service of the service providing side are identified. Then, the corresponding service module is acquired from each database, and the consistency with the specified existing service and the consistency between the service modules are determined. If the consistency is found, the service module is transmitted.

Here, in order to prevent the supply of the service from being started when the service receiving side is not ready, the transmission control unit 32 uses the dependency defined in advance for each service. It is preferable to control the transmission unit 33 so that the transmission is performed in order from the service using side receiving the service. When the system status monitoring unit 18 can detect whether or not the service module has been installed, for example, after the completion of preparation on the service using side is detected based on the detection result, the service module is notified to the service providing side. It is also preferable to transmit a service module to the service providing side first, and control the start of service provision by the service module based on the result of this detection. The operation of the transmission control unit 32 corresponds to the means for setting the distribution order of the present invention.

As described above, according to the present embodiment, the service module, which is software necessary for processing the data related to the service, is distributed to the service providing side and the service using side. Data can be processed smoothly and services can be provided smoothly.

Embodiment 2 As shown in FIG. 5, the network system according to the second embodiment of the present invention includes a server 12 including a service site 11, a plurality of relay nodes 3, a gateway 4, a wireless communication facility 5, and a public telephone line. Telephone line service 7 including equipment 6 and browser 1
3, a personal computer 15 including a browser 13, a service creation server 16,
And a service element database 17, and these elements are mutually connected to a network.

Here, the service creation server 16 is the same as that of the first embodiment shown in FIG.
As shown in FIG. 5, the service element database 17 basically includes a server service database 34, a terminal service database 35, and a network service database 36. Parts having the same configuration as that of the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted. The network system according to the present embodiment has basically the same configuration as the network system according to the first embodiment shown in FIG. 1, but the operation of the relay node 3 and the gateway 4 and the service The operation of the creation server 16 is slightly different.

That is, in the present embodiment, the relay node 3 and the gateway 4 use their own existing functions for the data of the service request from the mobile phone 14 or the personal computer 15 as the service using side to the server 12. The relay operation is performed while adding information (intermediate node information) to be represented.

The service creation server 16 selects a service module to be distributed based on the intermediate node information. Specifically, according to the information of the gateway 4 indicated in the intermediate node information, when the line exchanged via the telephone line network is a packet exchange at 9600 bps (used in PDC or the like), a service request is issued. And
If it is determined that it is necessary according to the service providing side information, a service module for compressing data is transmitted to the server 12, and similarly, the service is provided according to the service using side information. A service module for expanding the compressed data is delivered to the user. With respect to these service modules, for example, LZH (Lampel-Z)
(ip-Huffman) When a service module to be compressed is distributed to a service providing side, a decompression service module to be distributed to the service using side is also selected for LZH compression.

Further, a feature of the present embodiment is that the service creation server 16 includes not only the server 12, the mobile phone 14, and the personal computer 15, but also
The service module is distributed to the relay node 3 and the gateway 4 to extend the service. Specifically, the service creation server 16 of the present embodiment
Specifies a service module required by the relay node 3 or the gateway 4 based on the content of the service request received from the service user side, and determines the existing service of the relay node 3 or the gateway 4 from the intermediate node information from the relay node 3 or the like. By obtaining the service module to be transmitted from the network service database 36,
The consistency is verified, and if the consistency is verified, the service module is delivered. Here, it is preferable that the service modules are distributed in order from the side closer to the service using side or the side closer to the server 12.

Further, the service creation server 16 of the present embodiment specifies a service module required in response to a change in the system state detected by the system state monitoring unit 18 and performs the same as in the case of the service request. An appropriate service module in relation to the existing services of the relay node 3 and the gateway 4 is obtained from the network service database 36 and distributed.

In the network system of the present embodiment, the service creation server 16 distributes necessary service modules to the entire route on which services are transmitted and received on the network while taking into consideration the consistency. Can be performed smoothly.

The operation of the network system according to the present embodiment will be specifically described. When the personal computer 15 as a service user outputs terminal service information and a service request for e-commerce to the gateway 4 via a telephone line, for example, the gateway 4 further adds its own intermediate node information to the service request. 1
2 via a plurality of relay nodes 3. Here, corresponding intermediate node information is also added to each relay node 3. The server 12 adds service providing side information to the data (data including a service request, terminal information, and a plurality of intermediate node information) received via the plurality of relay nodes 3 and transmits the data to the service creation server 16.

Then, the service creation server 16 specifies the necessary service module by referring to the request analysis database 21 and the request condition database 24 according to the service request, the terminal information, the intermediate node information, and the service providing side information. I do. Here, it is assumed that an encryption module for achieving security required for electronic commerce, a user authentication module, and a retransmission module for reliable data transmission are specified.

The service creation server 16 stores the specified service module in the service element database 17
, A personal computer 15 as a service user, the relay node 3 and the gateway 4 indicated in the intermediate node information, the server 12, the server service database 34, the terminal service database 35, and the network service database 36. And a service module corresponding to.

Then, the personal computer 15 and
An encryption module for encrypting and transmitting and receiving data and an authentication module for authenticating a user are distributed to the server 12 so that the service can be exchanged. A retransmission module is delivered to the gateway 4 and the data is retransmitted, so that the user can enjoy a reliable data transmission service.

Further, what is characteristic of the present embodiment is that intermediate node information is considered when specifying service modules to be distributed to the service using side and the service providing side. Specifically, when the gateway 4 adds intermediate node information indicating that communication is being performed with the service using side at a communication speed of 9600 bps, the service creation server 16 distributes a service module suitable for this communication speed. Become.

As described above, the service creation server 16 of the present embodiment sends the relay node 3 and the gateway 4 from the service providing side to the service using side via the network.
Is connected to a system that provides a predetermined service via a relay station such as the above, and has at least one of an existing service providing function of the service providing side, an existing service providing function of the relay station, and an existing service using function of the service using side. Means for recognizing as a service configuration, and means for expanding the existing service configuration of at least one of the service providing side, the relay station, and the service using side in accordance with the content of the predetermined service and the recognition result, It is characteristic to include.

From another point of view, the service creation server 16 of the present embodiment transmits a service request or network status information transmitted from the service using side to the service providing side via the relay station on the network. Acquisition means corresponding to the acquired system state monitoring unit 18 and request receiving unit 19, a request analysis unit 20 for selecting a required service module as an extended service module according to a service request or network state information, a request condition database It is characterized in that it includes a selection unit including a search unit 22 and a distribution unit such as a transmission control unit 32 that distributes the selected extended service module to at least one of a service providing side, a relay station, and a service using side. It is a target. Here, when selecting the extended service module, the request condition database search unit 22 or the like specifies the existing service module on each of the service using side, the relay station, and the service providing side as information on the existing service module, and based on the information, Care should be taken.

Further, the service group verification unit 29 for verifying at least one of the first consistency between each of the selected extended service modules or the second consistency between each of the extended service modules and the existing service module is provided. Preferably, a corresponding verification means is further included.

It is preferable that the service creation server 16 in the first and second embodiments of the present invention distributes service modules via the server 12. By doing so, the user does not need to be aware of the existence of the service creation server 16, and if only the server 12 is accessed, an appropriate combination of service modules is distributed and the service can be enjoyed. As a result, convenience can be improved.

As described above, in the network systems according to the first and second embodiments of the present invention, the service modules are managed in one place in the service element database 17, and confusion at the time of version upgrade can be prevented. This service module is distributed by the service creation server 16.
Therefore, even if there are other malicious service module distributors (such as those who distribute service modules containing a virus or the like), the server 12 always uses the service creation server 16 to improve security. it can.

Further, in the network system according to the first and second embodiments of the present invention, the service creation server 16
However, since consideration is given to consistency with the existing service providing / using function (existing module) to which the service module is distributed, unexpected conflicts can be avoided.

[0065]

According to the first aspect of the present invention, a service providing side is connected to a system in which a predetermined service is provided from a service providing side to a service using side via a network. Recognize at least one of the existing service use functions of the side as an existing service configuration, and expandably change the existing service configuration of at least one of the service providing side or the service using side according to the content of the predetermined service and the recognition result. Since the service creation server is a service creation server, it is possible to smoothly transfer services provided via the network.

According to the second aspect of the present invention, the service providing side is connected to the service providing side via the network to the system in which a predetermined service is provided, and the service providing side's existing service providing function and the service using side are connected. To recognize at least one of the existing service use functions as an existing service configuration and to expandably change the existing service configuration of at least one of the service providing side or the service using side according to the content of a predetermined service and the recognition result. The service creation server provides the service module selected for at least one of the service providing side and the service using side. it can.

According to the third aspect of the present invention, the service creation server obtains a service request from the service using side to the service providing side, and selects and distributes a necessary service module according to the service request. So
It is possible to smoothly transfer services provided by software via a network.

According to the fourth aspect of the present invention, a service request from the service using side to the service providing side is obtained, the existing service module between the service using side and the service providing side is specified, and the specified existing service is specified. Since the service creation server is a service creation server that selects and distributes necessary service modules according to module information and service requests, it is possible to smoothly perform service exchange performed by software via a network.

According to the invention described in claim 5, the service creation server according to claim 3 or 4 for verifying the consistency between the extended service modules or between the extended service module and the existing service module is unexpected. It is possible to smoothly transfer services provided by software via a network while preventing the occurrence of conflicts.

According to the sixth aspect of the invention, the service according to the fifth aspect is constructed such that a virtual environment of a system on a service providing side and a service using side is constructed, and an extended service module group is operated in the virtual environment. Since the server is a creation server, it is possible to smoothly transfer services provided by software via a network while preventing unexpected conflicts between extended service modules and existing service modules.

According to the seventh aspect of the present invention, the service creation server according to any one of the third to sixth aspects, wherein the distribution order of the modules is set and the distribution is performed in this distribution order, is performed by software via a network. Transfer of the service to be performed can be performed smoothly.

According to the eighth aspect of the present invention, the service creation server is set to start distribution from the service use side, and the service creation server performs the last distribution to the service provider side. Service can be performed smoothly.

According to the ninth aspect of the present invention, a service providing side is connected to a system in which a predetermined service is provided from the service providing side to the service using side via the network, and the service providing function of the service providing side and the relay station have the existing function. Recognize either the service providing function or the existing service using function of the service using side as an existing service configuration, and select one of the service providing side, the relay station, and the service using side according to the content of the predetermined service and the recognition result. Is a service creation server that changes the existing service configuration in an extensible manner, so that services can be smoothly exchanged via a network.

According to the tenth aspect, the service providing apparatus provides the requested service via the network, the service using apparatus outputs the service request, and the service creating server has the service providing apparatus's existing service. Recognize at least one of the service providing function and the existing service using function of the service using side as an existing service configuration, and according to the service request and the recognition result of the existing service configuration,
Since the network system is configured to change the existing service configuration of the service providing device or the service using device in an extensible manner, services can be smoothly exchanged between the service providing device and the service using device.

According to the eleventh aspect of the present invention, at least one of the service using side or the service providing side according to the service request from the service using side to the service providing side and the existing service function between the service using side and the service providing side. Since the network system distributes software for sending and receiving the requested service to and from the network, it is possible to smoothly send and receive the service via the network.

[Brief description of the drawings]

FIG. 1 is a configuration block diagram of a network system according to a first embodiment of the present invention.

FIG. 2 is a configuration block diagram of a service creation server.

FIG. 3 is an explanatory diagram illustrating an example of a table stored in a request analysis database.

FIG. 4 is an explanatory diagram illustrating an example of data stored in a request condition database.

FIG. 5 is a configuration block diagram of a network system according to a second embodiment of the present invention.

FIG. 6 is a configuration block diagram of a conventional network system.

FIG. 7 is an explanatory diagram illustrating an example of a process setting in a conventional browser.

[Explanation of symbols]

1,11 service site, 2,12 server, 3 relay node, 4 gateway, 5 wireless communication equipment, 6
Public telephone line facilities, 7 telephone line services, 8, 13
Browser, 9,14 Mobile phone, 10,15 Personal computer, 16 Service creation server, 17
Service element database, 18 system status monitoring unit, 19 request receiving unit, 20 request analysis unit, 21 request analysis database, 22 request condition database search unit, 23 request condition database management unit, 24 request condition database, 25 request condition database registration unit ,
26 service element database management section, 27 service element database search section, 28 download section, 29
Service group verification unit, 30 service management unit, 31 service storage unit, 32 transmission control unit, 33 transmission unit, 34
Server service database, 35 terminal service database, 36 network service database.

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5B085 AA04 BG07 CA04 5B089 GA11 GA21 GA25 GA31 GB04 HA01 HA11 JB02 JB04 KA00 KB09

Claims (11)

[Claims] 1. A service creation server connected to a system in which a predetermined service is provided from a service providing side to a service using side via a network, wherein the service providing side has an existing service providing function and the service using side. Means for recognizing at least one of the existing service use functions as an existing service configuration, and, according to the content of the predetermined service and the result of the recognition, the existing service configuration of at least one of the service providing side or the service using side. A service creation server, comprising: means for expanding and changing; 2. A service creation server connected to a system in which a predetermined service is provided from a service providing side to a service using side via a network, wherein the service providing side has an existing service providing function and the service using side. Means for recognizing the existing service using function as an existing service configuration, and expanding the existing service configuration of at least one of the service providing side and the service using side in accordance with the content of the predetermined service and the result of the recognition. A service creation server, comprising: means for selecting a service module for changing to a service module; and means for providing the service module to at least one of the service providing side and the service using side. 3. An obtaining means for obtaining a service request from a service using side to a service providing side via a network, and a service module required for providing the service in response to the service request is an extended service module. A service creation server, comprising: a selection unit that selects the extension service module; and a distribution unit that distributes the selected extended service module to at least one of the service providing side and the service using side. 4. An obtaining means for obtaining a service request from a service using side to a service providing side via a network, and an existing service module between the service using side and the service providing side as information of an existing service module. Means for specifying, means for selecting an extended service module group required for providing and using the service according to the service request and the existing service module information, and means for using the extended service module on the service providing side or service use Means for distributing to at least one of the sides, and a service creation server. 5. A verification means for verifying at least one of a first consistency between each of the selected extended service modules or a second consistency between each of the extended service modules and an existing service module. The service creation server according to claim 3 or 4, wherein: 6. The verification means includes: means for constructing a virtual environment of a system including a service providing side and a service using side; and means for operating the extended service module group in the virtual environment. 6. The service creation server according to claim 5, wherein the presence / absence of an operation failure is detected to verify the consistency. 7. The distribution means includes means for setting a distribution order of each module specified by the selection means, and means for distributing each module based on the setting. 7. The service creation server according to 3 to 6. 8. The method according to claim 7, wherein the means for setting the distribution order is set to start distribution from a service using side and set to perform distribution last to a service providing side. Service creation server. 9. A service creation server connected to a system in which a predetermined service is provided from a service providing side to a service using side via a network via a relay station, wherein at least the service providing side has an existing service providing server. Means for recognizing either the service providing function or the existing service providing function of the relay station or the existing service using function of the service user side as an existing service configuration; and Means for expanding and changing an existing service configuration of any of a providing side, a relay station, and a service using side. 10. A service providing apparatus for providing a service requested via a network, a service using apparatus for outputting a service request to the service providing apparatus and receiving a service, a service creation server, Means for recognizing at least one of an existing service providing function of the service providing side and an existing service using function of the service using side as an existing service configuration, and the contents of the service request and the recognition of the recognition. Means for expanding and changing an existing service configuration of at least one of the service providing side and the service using side according to a result. 11. According to a service request from a service using side to a service providing side and an existing service function of the service using side and the service providing side, at least one of the service providing side and the service using side: A network system wherein software for providing the requested service is distributed.