JP2000172612A - Data distributing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a data distributing method with which access from an illegal user is prevented, probability for the required web data to arrive at a web browser without fail is improved and it can be confirmed all the data required on the side of a web server are transferred to the side of plural web browsers. SOLUTION: The transmission destination of web data is confirmed by adding additional information to a request from the side of a web browser 4, the sending destination of web data to be sent by a web server 6 is identified, and when an error occurs in the transfer of web data transmitted from the web server 6, prior to reporting the error to the web browser 4, error retry is loaded for a fixed number of times. Then, the transmitted result showing whether or not the web data transmitted from the web server 6 arrive at the web browser 4 is received as a request from the side of the web browser 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a data distribution method suitable for network communication such as the Internet or an intranet.

[0002]

2. Description of the Related Art As is well known, the Internet uses We.
The system is configured based on a data transmission / reception mechanism including a b-browser and a web server. In such a system, the web server responds to a request from the web browser according to a hyper text transfer protocol (http). Data to be transmitted.

[0003]

However, on the Internet, a relay point (proxy server) called a proxy is often installed between the net and the Web server due to problems such as security.
The request from the b-browser is prevented from directly reaching the Web server. On the Internet, We
Since it is uncertain whether this proxy server intervenes between the b browsers, the Web server cannot confirm where the data was requested or whether the Web browser that requested the data has successfully completed reception. There is a problem.

Similarly, in the Internet, the Web
Whether the computer using the browser is connected to the network or not can not be detected from the Web server side. Therefore, the data sent by the Web server
There is also a problem that it is not possible to inquire the Web browser side by communication to check whether the data has been sent to the Web browser side.

Turning to business systems such as intranets that use information in a company, it turns out that data to be transmitted and received in the system is requested from a correct partner and that the data is transmitted correctly. Although it is necessary to guarantee, as described above, the requirements required for the business system cannot be realized by the mechanism including the Web browser and the Web server on the Internet. Therefore, the business system can be constructed using the Internet. The situation is extremely difficult.

[0006] The present invention has been made in view of such circumstances, and a Web browser and a W
When communicating with the web server, the destination of the web data is confirmed, the destination of the web data sent by the web server can be identified, and even if an error occurs in the web data transfer transmitted from the web server, the web data transfer can be performed. The probability of success can be increased, and the Web server side can confirm the reception status of Web data of the Web browser, thereby preventing access from an unauthorized user that would occur when a business system of a company is built on the Internet. At the same time, it increases the probability that necessary Web data will surely arrive at the Web browser.
It is an object of the present invention to provide a data distribution method capable of confirming that all necessary data on a server side has been transferred to a plurality of Web browsers.

[0007]

According to the first aspect of the present invention, a Web browser and a Web browser are provided.
In the method of distributing data via the Internet using the mechanism of the b-server, the destination of the Web data is confirmed by adding additional information to the request from the Web browser, and the destination of the Web data sent by the Web server is identified. It is characterized by the following.

[0008] In a preferred aspect, in the data distribution method according to any one of claims 2 to 3, the W
When an error occurs in the transfer of Web data transmitted from the Web server, whether an error has been retried a certain number of times or the Web data transmitted from the Web server has arrived at the Web browser before notifying the Web browser of the error. It is characterized in that the result of the transmission is received as a request from the Web browser.

According to the data distribution method of the present invention, the destination of the Web data is confirmed by adding additional information to the request from the Web browser, and the destination of the Web data transmitted by the Web server is identified. When an error occurs in the identification process and the transfer of Web data transmitted from the Web server, a retry process of performing an error retry a predetermined number of times before notifying the Web browser of the error, and the Web data transmitted from the Web server
Receiving a transmission result as to whether or not the data has arrived at the browser as a request from the Web browser side.

In the present invention, a request from the Web browser is appended with additional information to confirm the transmission destination of the Web data, and
Identify the destination of the web data sent by the web server,
When an error occurs in the transfer of Web data transmitted from the Web server, an error retry is performed a predetermined number of times before notifying the error to the Web browser, and whether the Web data transmitted from the Web server has arrived at the Web browser. Is sent as a request from the Web browser, so that the Web server sends
The destination of the data can be identified, and even if an error occurs in the transmission of the Web data transmitted from the Web server, the success probability of the Web data transfer can be increased, and in addition, the Web server side can confirm the reception status of the Web data of the Web browser. This prevents access from unauthorized users, which would occur when a business system of a company is built on the Internet, and increases the probability that required Web data will surely arrive at a Web browser. Can confirm that all necessary data on the Web server side has been transferred to a plurality of Web browsers.

[0011]

An embodiment of the present invention will be described below with reference to the drawings. (1) Summary of the Invention The present invention relates to the case where data distribution via the Internet is performed using the mechanism of a Web browser and a Web server, and it is not possible for the data distribution source to completely confirm whether distribution has succeeded or failed. Above,
The result of data distribution to the Web browser can be confirmed on the Web server side.

In FIG. 1, a communication request from the Web browser 4 is temporarily relayed by a Web browser communication monitoring mechanism 5, where the extended information is given, and then the Web server 6 is notified. The Web server 6 receives the communication request from the Web browser 4 and calls the Web browser communication management mechanism 7,
The Web browser 4 is identified based on the extended information given here. Thereafter, the Web server 6 transfers the Web data based on the communication request to the Web browser 4, which relays the Web browser communication monitoring mechanism 5 again.

When data transmission from the Web server 6 has failed, the Web browser communication monitoring mechanism 5 makes a communication request again and attempts a retry so that the data transmission is successful. When the Web data is completely received, the Web server 4 notifies the Web browser 4 of the Web data and transmits data for reporting the communication result to the Web server 6. This data transmission is recognized by the Web server 6, the Web browser communication management mechanism 7 is called again, and it is recorded that the transmission has reliably arrived at the Web browser 4 identified by the previously called communication request. Thereafter, by referring to the record of the Web browser communication management mechanism 7, it can be confirmed whether or not the specific data transmission of the Web browser 4 has been successful.

(2) Configuration Next, an embodiment of the present invention will be described with reference to FIG. The data distribution method according to the present invention is applied to a network 3 (for example, the Internet, an intranet, or a LAN) that interconnects the computers 1 and 2. On the computer 1, the Web browser 4 and Web
We are a program that monitors communication from browsers.
The b-browser communication monitoring mechanism 5 operates, and on the computer 2, a Web-browser communication management mechanism 7 started by the Web server 6 in response to a request from the Web server 6 and the Web browser 4 operates.

(3) Operation Next, the operation of the Web browser communication monitoring mechanism 5 and the Web browser communication monitoring mechanism 7 will be described with reference to FIGS. In FIG. 1, arrows indicated by solid lines indicate the flow of processing, and broken arrows indicate the flow of data. First, when a Web data reference request 11 is generated from the Web browser 4 on the computer 1, the Web
The browser communication monitoring mechanism 5 activates the communication monitoring routine shown in FIG. 2 and advances the processing to step SA 1. Before the Web data reference request 11 is notified to the network 3,
Web browser identification information 1 in Web data reference request 11
The request is changed to the Web data reference request 13 to which the Web server 6 has been added, and in a subsequent step SA2, the request is notified to the Web server 6 via the network 3 and then a response is waited.

The Web browser identification information 12 referred to here is the computer 1 on which the Web browser 4 operates.
And the machine information uniquely obtained on the network, the personal identification number uniquely given to the web browser communication monitoring mechanism 5 in advance, and the like, and the information for uniquely identifying the computer 1 and the web browser 4.

When a Web data reference request 13 from the computer 1 arrives at the Web server 6, the Web server 6 receives the Web data reference request 13.
The server 6 issues a Web browser management mechanism activation request 21, and in response to this, the Web browser management mechanism 7 activates the communication monitoring routine shown in FIG. 3 and proceeds to step SB1. In Step SB1, the Web server 6 analyzes the Web data reference request 13 notified from the Web server 6 and searches whether the Web browser identification information 12 is added. Thereafter, the process proceeds to step SB2, where it is determined whether the Web browser identification information 12 has been added. If the Web browser identification information 12 has been added, the process proceeds to step SB3, where the W
It is checked whether the web browser identification information 12 is registered in the sendable web browser information 17 prepared in advance, that is, whether or not the party to whom the web data can be sent.

[0018] If the sender is not a party to whom the web data can be sent, that is, if the web browser identification information 12 is not registered in the sendable web browser information 17 prepared in advance, or if the sendable web browser information 1 is not registered.
7 is Web data whose distribution is restricted by Step 7 through Steps SB3 and SB5.
6 and returns an error to the Web server 6 to
Stop sending the eb data. On the other hand, if it is a partner to whom the Web data can be sent, the determination result in step SB3 is “YES”, the process proceeds to step SB4, the Web data reference request 13 is temporarily stored in the computer 2, and the control is performed. Return to Web server 6. As a result, the Web server 6 returns the stored Web data 14 to the requesting computer 1 based on the Web data reference request 11 included in the Web data reference request 13.

On the other hand, the Web browser communication monitoring mechanism 5 waiting for a reply in step SA2 (see FIG. 2)
When the side receives the notification of the Web data 14 as a response to the Web data reference request 13 in step SA3,
The browser communication monitoring mechanism 5 proceeds to step SA4, and determines whether the Web data 14 has been normally received. Then, if the Web data 14 cannot be received normally, the Web browser monitoring mechanism 5 issues the Web data reference request 13 again, and repeats the steps until the Web data is normally received or a predetermined number of errors are reached. The processing of SA2 to SA5 is repeated.

Here, if the number of retries exceeds a predetermined number, the flow advances to step SA6 to notify the Web browser 4 of error information. If the Web data 14 is received normally, steps SA7 and SA8 are performed. Through the Web server as a response to the Web data reference request 11
At the same time as notifying the browser 1, the information 12 and the received W
A Web data reception confirmation notification 15 is generated based on the Web data 14, and this is notified to the Web server 6 in step SA8. Thereafter, the flow advances to step SA10 to notify the Web browser 4 of the Web data 14 so that the Web
The b browser 4 displays the Web data 14 and terminates normally.

The computer 2 via the network 3
When the above Web server 6 is notified of the Web data reception confirmation notification 15, the Web server 6 issues a Web browser management mechanism activation request 22 in response to the reception of the Web data reference confirmation notification 15, and in response to this, the Web browser The management mechanism 7 starts the communication monitoring routine shown in FIG.
The process proceeds to C1, the Web data reception confirmation notice 15 is analyzed, and is compared with the temporarily stored Web data reference request 13 via the following steps SC2 and SC3. It is determined that the corresponding Web data 14 has been correctly notified (step SC4) and stored on the computer 2 (step SC5).

When a Web data reference request is issued to the computer 2 from another computer having the same environment as the computer 1, the above-described operation (step SC1)
To SC5) are repeated, and the result is stored in the Web data reference status information 18. Since then, Computer 2
By referring to the Web data reference status information 18 above, it is possible to confirm which Web browser has referred to the Web data 15, and to confirm on the computer 2 that the data transmission has been performed reliably. You can check.

As described above, according to the present invention, when communication is performed between a Web browser and a Web server using the Internet, the transmission destination of the Web data is confirmed by adding additional information to the request from the Web browser, and Since the destination of the Web data sent by the server is identified, it is possible to limit the transmission of Web data that is desired to be transmitted only to a specific Web browser.

Also, a Web server transmitted from a Web server
When an error occurs in data transfer, an error retry is performed a certain number of times before notifying the Web browser of the error, so that the probability of successful Web data transfer can be increased.

Further, the Web transmitted from the Web server
Since the transmission result of whether or not the b-data has arrived at the Web browser is received as a request from the Web browser, the Web server can confirm the reception status of the Web data of the Web browser.

Therefore, according to the present invention, it is possible to prevent access from an unauthorized user, which would occur when a business system of a company in which data contains confidential information is constructed on the Internet, and to provide necessary Web services. The probability that data will surely arrive at the Web browser is increased, and furthermore, the system administrator can confirm that all necessary data on the Web server side has been transferred to a plurality of Web browser sides, thereby making the entire business system correct. You can confirm that it is running.

In the above-described embodiment, the computers connected via the Internet have been referred to. However, the gist of the present invention is not limited to this. It can also be applied to portable devices, computer-embedded televisions, portable terminals, and portable telephones, and can achieve the same effects.

In FIG. 1, if the Web browser 4 is replaced with a program for issuing an equivalent data transmission request, an example of realizing the “method of confirming the distribution of Web data using the Internet” according to the present invention can be applied to other than the Web browser. It becomes possible. In that case, what is identified is We
Instead of the b browser, a program that issues a Web data transmission request and a device that executes this program are identified.

Further, instead of identifying the Web data 14 one by one, a plurality of Web data 140-14n are stored in one Web data.
It is possible to realize an example in which the Web data reception confirmation notice 15 is issued when all of these data are successfully transferred and the transfer is confirmed. As a result, when transferring a business system that does not make sense unless all of a plurality of Web data are transferred, if even one data transfer fails, the entire system can be regarded as a transfer failure. Therefore, it is possible to prevent the business system from being executed in an incomplete state, and to reduce the number of times of data communication from the Web browser by issuing the Web data reception confirmation notification 15 only once. Become.

[0030]

According to the present invention, the destination of the Web data sent by the Web server is identified by adding the additional information to the request from the Web browser, the destination of the Web data sent by the Web server is identified, and the request is transmitted from the Web server. If an error occurs in the transfer of the Web data, an error retry is performed a predetermined number of times before notifying the Web browser of the error, and a transmission result indicating whether or not the Web data transmitted from the Web server has arrived at the Web browser is transmitted. Since the request is received as a request from the browser, the destination of the Web data sent by the Web server can be identified, and even if an error occurs in the Web data transfer transmitted from the Web server, the success probability of the Web data transfer is determined. Increase, plus We
The server b can confirm the reception status of the Web data of the Web browser. As a result, it is possible to prevent an unauthorized user from accessing when a business system of a company is constructed on the Internet, to increase the probability that required Web data reliably reaches a Web browser, and to further improve the system administrator. Can confirm that all necessary data on the Web server side has been transferred to a plurality of Web browsers.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration according to an embodiment of the present invention.

FIG. 2 is a flowchart for explaining an operation according to the embodiment;

FIG. 3 is a flowchart for explaining an operation according to the embodiment;

FIG. 4 is a flowchart for explaining an operation according to the embodiment;

[Explanation of symbols]

 1, 2 Computer 3 Network 4 Web browser 5 Web browser communication monitoring mechanism 6 Web server 7 Web browser communication management mechanism 11 Web data reference request 12 Web browser identification information 13 Web data reference request 14 Web data 15 Web data reception confirmation notification 17 Send Possible Web browser information 18 Web data reference status information 21 Web browser management mechanism activation request 22 Web data management mechanism activation request

Claims (4)

[Claims] In a method for distributing data via the Internet using a mechanism of a Web browser and a Web server, a Web server sends a request from a Web browser side to confirm a transmission destination of the Web data by adding additional information, and the Web server sends the request. A data distribution method characterized by identifying a destination of Web data to be transmitted. 2. The Web transmitted from the Web server
2. The data distribution method according to claim 1, wherein when an error occurs in the data transfer, an error retry is performed a predetermined number of times before notifying the error to the Web browser. 3. The Web transmitted from the Web server
2. The data distribution method according to claim 1, wherein a transmission result of whether the data has arrived at the Web browser is received as a request from the Web browser. 4. A method of distributing data via the Internet using a mechanism of a Web browser and a Web server, wherein a Web data transmission destination is confirmed by adding additional information to a request from the Web browser, An identification step of identifying a destination of the Web data sent by the Web server; and, if an error occurs in the transmission of the Web data transmitted from the Web server, a retry step of performing an error retry a predetermined number of times before notifying the Web browser of the error. Receiving a transmission result as to whether or not the Web data transmitted from the Web server has arrived at the Web browser, as a request from the Web browser side.