JP2005250964A - Information delivery system and information delivery method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To realize an information delivery system capable of providing a plurality of services without applying a large processing load to a client terminal side. <P>SOLUTION: This system comprises a gateway 1 performing information delivery to a plurality of client terminals 6 instead of a plurality of service servers 2. The gateway 1 includes an SS page access part 13 mediating the access to pages held by the service servers 2 by a client terminal 6 which performs a service request. On receipt of the service request from the client terminal, the SS page access part 13 performs the access in case that the access to the corresponding service server 2 is possible instead of the client terminal 6 to receive a page showing the content of the corresponding service, and returns the page response to the client terminal 6. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a multi-client / multi-server type information distribution system having a plurality of client terminals including a mobile terminal, and a plurality of service servers that provide services to the plurality of client terminals, and an information distribution method thereof.

2. Description of the Related Art Conventionally, a so-called push type information distribution system that transmits information to a client such as a mobile terminal with a trigger from a center system is known (see Patent Document 1).
JP 2002-149688 A

  In the push type information distribution system described in Patent Document 1, the content provider that distributes information only provides the content that the user has, and in order for each user to use a plurality of information providing services at the same time, the client terminal On the other hand, it is necessary to set and manage server access destinations, access conditions, service usage conditions and the like for each service type, which increases the processing load on the client terminal side.

  The present invention has been made in view of such circumstances, and an object thereof is to realize an information distribution system capable of providing a plurality of services without imposing a large processing load on the client terminal side.

  In order to achieve the above object, an invention according to claim 1 is directed to an information distribution system having a plurality of client terminals and a plurality of service servers for providing services to the plurality of client terminals. Instead of providing a gateway that distributes information to the plurality of client terminals, the gateway includes an access unit that has access to pages held by the plurality of service servers for the client terminal that makes a service request. The access means, when receiving a service request from the client terminal, if the access to the corresponding service server is possible on behalf of the client terminal, the access means accesses the page indicating the content of the corresponding service. And return a page response to the client terminal. It is characterized in.

    The invention according to claim 2 is the information distribution system according to claim 1, wherein the gateway includes a service usage status table indicating usage status by service for each user, and a server accessible to each user. A storage unit that stores a service-specific access reception table indicating the operation type on the side, and the access unit refers to the service usage situation table and the service-specific access reception table, and sends the service request to the client terminal that has made the service request. When the service can be provided, the URL for accessing the requested service can be received, the service identifier for identifying the service provided on the plurality of service servers, and the access by service of the plurality of service servers Generated based on the operation type and assigned to the corresponding service server by the URL Characterized in that it processes.

  According to a third aspect of the present invention, a plurality of client terminals, a plurality of service servers that provide services to the plurality of client terminals, and the plurality of client terminals instead of the plurality of service servers are provided. An information distribution method in an information distribution system having a gateway that distributes information to a user, wherein when a user receives a specific service by the gateway, a service contract status of the user is registered in advance. A second step of registering in advance various types of operations that allow the plurality of service servers providing services by the gateway to accept access from the client terminal, and the gateway from the client terminal, When there is a service usage request and the service is available Generating a URL for accessing the requested service based on a service identifier for identifying a service provided on the plurality of service servers and a service-acceptable operation type for each service of the plurality of service servers; And a fourth step of displaying on the screen of the display unit of the client terminal by accessing the corresponding service server by the generated URL.

As described above, according to the present invention, it is possible to realize an information distribution system capable of providing a plurality of services without imposing a large processing load on the client terminal side.
Since the client terminal does not need to manage the type of service server, the driving state, and the service usage status, the possessed functions can be minimized and the processing load can be suppressed.
In addition, since the gateway side has a function such as user authentication, the service server side can obtain an effect of reducing processing load based on user management.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a schematic configuration of an information distribution system according to an embodiment of the present invention. In the figure, an information distribution system according to an embodiment of the present invention includes a gateway that performs information distribution processing, and the gateway 1 provides a plurality of service servers that provide users with various services via a network 3. 2 is connected.
The gateway 1 is connected to the mobile communication network 5 via the Internet 4. The mobile communication network 5 establishes communication with the client terminal 6. Although there are a plurality of client terminals 6, they are omitted in FIG. 1 for convenience.

  Next, the operation of the information distribution system having the above configuration will be briefly described. First, the personal profile is set before the user starts the service. In this personal profile setting, the genre of content desired to be distributed is set / changed. The content genre specifically includes, for example, large genres such as eating, drinking, shopping, entertainment, Japanese / Western / Chinese restaurants, convenience stores, car supplies, florists, hotels, tourist spots, movie theaters, etc. Can be considered.

After the personal profile is set, if the client terminal 6 gives an instruction to start a service, a login and content distribution request is executed. The moving body information (position information and speed information) is transmitted from the client terminal 6 to the gateway 1 in accordance with the movement of the moving body (automobile) on which the client terminal 6 is mounted.
As a trigger for transmission of moving body information from the client terminal 6 to the gateway 1, the map is divided by a virtual mesh, and the moving body information (position information, speed) at the timing when the moving body (automobile) crosses the virtual mesh. Information etc.) is transmitted to the gateway 1.

The gateway 1 transmits mobile body information and a service level (for example, a size of a content search area based on a disclosure level of a user's location information) to a service server 2 that holds the content and provides a service. .
Details of the page access operation of the service server 2 will be described later. The service server 2 searches for content based on the mobile object information and the service level, and transmits it to the gateway 1. Alternatively, the service server 2 transmits content to the gateway 1 based on a preset schedule of time intervals and times.

The gateway 1 organizes distribution contents received from a plurality of service servers for each user and distributes them to the client terminal 6.
Next, specific configurations of the gateway 1, the service server 2, and the client terminal 6 are shown in FIG. In the figure, the client terminal 6 has an information receiving unit 61 and an information transmitting unit 62.

  The gateway 1 accepts a request from the information transmission unit 62 of the client terminal 6, performs necessary processing, or transmits a processing request to the outside, and generates and transmits a result to be returned to the information reception unit 61 of the client terminal 6. It consists of a terminal GW layer 11 and a service server GW layer 16 that receives information distribution requests from the service server 2 and transmits information distribution requests to the terminal GW layer 11.

  The terminal GW layer 11 receives and understands the request from the client terminal 6 and the uplink of sensor information such as position information, and accesses the request reception unit 12 that starts necessary processing and the page that the service server 2 holds. An SS (service server) page access unit 13, a distribution control unit 14 that receives an information distribution request from the service server GW layer 16, performs conversion according to the terminal type, and distributes information to the client terminal 6; And a terminal management database 15 for managing individual client terminals 6.

The service server GW layer 16 includes a distribution receiving unit 17 that receives an information distribution request from the service server 2 and transmits the information distribution request to the terminal GW layer 11, and an SS (service server) management database 18 that manages the service server 2. ing.
The service server 2 acquires a distribution content and a service management unit 21 that executes a screen return process in response to a request from the terminal GW layer 11, a reception process of uplink information received from the terminal GW layer 11, and a necessary process. A distribution management unit 22 that transmits a distribution request to the service server GW layer 16, a registration reception unit 23 that receives a registration request from the information provider terminal 7, and a distribution information database 24 that stores distribution content. .

Next, a page access operation to the service server 2 will be described with reference to FIG. The service server 2 holds a service-specific screen such as an operation screen for setting information specialized for the service. For example, a personal profile information operation screen such as a genre setting of distribution contents.
The client terminal 6 requests the page of the service server 2 from the SS page access unit 13 of the terminal GW layer 11 (step S31).

The SS page access unit 13 requests a page from the service server 2 on behalf of the client terminal 6 (step S32) and receives the result (step S33).
The SS page access unit 13 receives information specific to each client terminal 6 from the terminal management database 15, performs a conversion in accordance with the client terminal 6, and then returns a page response to the client terminal 6 (step S34).

  The URL of the page requested from the service server 2 includes the service usage status table stored in the terminal management database 15, the reference to the service-specific access reception table stored in the service server management database 18, and the service requested to be used by the client. It is generated based on the identifier and the command name.

FIG. 5 shows a service usage status table. In the service usage status table, the login / logout status for each service for each user (upper row) and the service level (lower row) are described. The service level is set at the time of service use contract.
FIG. 6 shows an access reception table for each service. In the service-specific access reception table, server-side operation types (login, logout, profile operation, service level-specific content request, etc.) that can be accessed by each user are described in advance.

Next, generation of a screen URL accompanying a login request will be described. The login request is executed with a client ID, a service identifier, and a login command.
When there is a login request from the client terminal 6, the terminal GW layer 11 confirms that the service identifier of the service requested to be logged in is already registered by the service-specific access reception table of the client terminal 6 and can accept the login. Confirmation, and further, the login acceptance screen URL for the service requested to be loaded is generated by combining “http: //”, “service identifier”, command name “login”, and “.html” To do.

  If there is no requested service identifier in the service-specific access reception table, the terminal GW layer 11 transmits a message screen indicating that the request cannot be received to the client terminal 6. FIG. 4 shows a flow related to a command and URL accompanying a page request at the time of login.

Next, generation of a screen URL accompanying a content distribution request will be described. The content distribution request is executed with a client ID, a service identifier, and a content distribution request command.
When there is a content distribution request from the client terminal 6, the terminal GW layer 11 indicates that the client terminal 6 is currently logged in to the requested service in the service usage status table, and other services currently logged in. Confirm.

  If you are not logged in to another service, check that the service identifier of the requested service is already registered in the access reception table for each client and that the content request can be accepted, and log in to the requested service. The reception screen URL is generated by combining “http: //”, “service identifier”, command name “content-req”, “service level”, and “.html”.

When it is confirmed in the service usage status table that the user is logged in to another service, the service level used when generating the URL is as follows.
That is, if the service level being used by another service is included in the service level where the requested service can be accepted, a URL is generated using that service level.
If the service level being used by another service is not included in the service level that can accept the requested service, the terminal GW layer 11 sends a message screen indicating that the request cannot be accepted to the client client terminal 6. .

Next, generation of a screen URL accompanying a personal profile operation request will be described. The personal profile operation request is executed with a client ID, a service identifier, and a personal profile operation request command.
When there is a personal profile operation request from the client terminal 6, the terminal GW layer 11 confirms that the client terminal 6 is currently logged in to the requested service in the service usage status table. The service-specific access reception table confirms that the service identifier of the requested service has already been registered and that the personal profile operation request can be received.

Further, the login acceptance screen URL for the service requested from the client terminal 6 is combined with “http: //”, “service identifier”, command name “profile-req”, and “.html”. Generate by.
If there is no service identifier of the requested service in the service usage status table or the service-specific access reception table, the terminal GW layer 11 transmits a message screen indicating that the request cannot be received to the client terminal 6.

1 is a schematic configuration diagram of an information distribution system according to an embodiment of the present invention. The block diagram which shows the specific structure of the information delivery system which concerns on embodiment of this invention shown in FIG. The figure which shows the flow of the page access process with respect to a service server. The figure which shows the flow of the process regarding the command and URL accompanying a page request at the time of login. The figure which shows the content of the client side service utilization condition table which a gateway has. The figure which shows the content of the access reception table classified by service which a gateway has.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Gateway 2 ... Service server 6 ... Client terminal 11 ... Terminal GW layer 13 ... SS page access part 16 ... Service server GW layer

Claims (3)

In an information distribution system having a plurality of client terminals and a plurality of service servers that provide services to the plurality of client terminals,
In place of the plurality of service servers, a gateway for delivering information to the plurality of client terminals is provided,
The gateway is
An access means for accessing a client terminal that makes a service request to access a page held by the plurality of service servers;
The access means, when receiving a service request from the client terminal, if access to the corresponding service server is possible on behalf of the client terminal, the access means performs access, receives a page indicating the content of the corresponding service, An information distribution system that returns a page response to a client terminal. The gateway is
Storage means for storing a service usage status table indicating usage status by service for each user, and an access reception table by service indicating a server-side operation type accessible by each user;
The access means refers to the service usage status table and the service-specific access reception table, and when it is possible to provide a service to the client terminal that has requested the service, a URL for accessing the requested service Is generated based on a service identifier for specifying a service provided on the plurality of service servers and a service-acceptable operation type for each service of the plurality of service servers, and the corresponding service server is accessed by the URL. The information distribution system according to claim 1. Information having a plurality of client terminals, a plurality of service servers for providing services to the plurality of client terminals, and a gateway for distributing information to the plurality of client terminals on behalf of the plurality of service servers An information distribution method in a distribution system,
A first step of registering the service contract status of the user in advance when the user receives a specific service by the gateway;
A second step of pre-registering various types of operations by which the plurality of service servers providing services can accept access from a client terminal by the gateway;
When there is a service use request from the client terminal, the gateway provides a URL for accessing the requested service on the side of the plurality of service servers when the service is possible. A third step of generating based on a service identifier for identifying a service and a service-specific access-acceptable operation type of the plurality of service servers;
A fourth step of displaying on the screen of the display unit of the client terminal by accessing the corresponding service server by the generated URL;
An information distribution method characterized by comprising:

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