JP3537338B2 - Web computing server system - Google Patents

Web computing server system

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Publication number
JP3537338B2
JP3537338B2 JP518199A JP518199A JP3537338B2 JP 3537338 B2 JP3537338 B2 JP 3537338B2 JP 518199 A JP518199 A JP 518199A JP 518199 A JP518199 A JP 518199A JP 3537338 B2 JP3537338 B2 JP 3537338B2
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JP
Japan
Prior art keywords
processing
server
web
processing request
request
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP518199A
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Japanese (ja)
Other versions
JP2000207331A (en
Inventor
一 岡田
Original Assignee
沖電気工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 沖電気工業株式会社 filed Critical 沖電気工業株式会社
Priority to JP518199A priority Critical patent/JP3537338B2/en
Publication of JP2000207331A publication Critical patent/JP2000207331A/en
Application granted granted Critical
Publication of JP3537338B2 publication Critical patent/JP3537338B2/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

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Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention is, systems using the Web client / server on which the A Purikesho <br/> Nsaba (hereinafter, referred to as "Web computing") relates to server systems.

[0002]

2. Description of the Related Art FIG. 2 is a diagram showing a conventional configuration example of Web computing. Hereinafter, with reference to FIG.
Conventional Web computing will be briefly described.

In FIG. 2, a Web client 210
In, the processing request given by the user is transmitted to the server system 230 via the network 220 which is the Internet or an intranet. In the server system 230, the processing request is received by the Web server 231 and provided to the core system 233 via the application server 232. In the core system 233, processing is performed based on the processing request, and the processing result is provided to the application server 232. Here, the application server 232 creates a Web page based on the given processing result, and
Is provided to the Web client via.

It is assumed that the application server 232 includes a CGI (Common Gateway Interface). The core system 233 is a system such as a database system, an accounting system, and an information system. Further, in FIG. 2, the Web server 231 and the application server 232 are separated for convenience, but they may be integrated functions.

[0005] The Web page also includes display of text and images, output of sound, execution of applications, and the like. The user indicates an operator of the Web client.

[0006]

However, the above-mentioned conventional Web computing has the following problems.

As a first problem, it is impossible to clarify the distinction between a first request and a retransmission request for a processing request from a user. Therefore, all requests from the Web client 210 are always processed by the server system 230. Therefore, the processing request from the user is the processing speed delay or the second processing request after the communication failure (it is unknown whether the first processing was successful) or not.
Was running in As a result, the user using the Web client 210 receives only the second processing result, and there is a problem that the first processing result is processed only on the server side and cannot be recognized by the user.

In such a system, for example, when a system for specifying a room and making a reservation in the Internet hotel reservation system is constructed (1), the second Web
Since the request from the client results in an error, the user misunderstands that the hotel reservation has failed. (Since the second reservation is the processing result, if the first reservation processing was successful, the second reservation Processing fails). Also,
(2) If the number of reservations, such as the World Cup watching tour reservation, is determined, but a system that can make a plurality of reservations in succession is constructed, the Web client constructs a system that can press the button as many times as possible during the reservation process If you do,
In the b client, the button can be pressed any number of times during the reservation process, so the tour ticket is purchased just by pressing the button. At this time, even if the user presses the button a plurality of times to actually purchase a plurality of tickets, even if the user presses the plurality of buttons for confirmation because the result display is slow on a low-speed line, for example, the user still receives one sheet. Since only the tour reservation completion screen for the minute can be confirmed, there is a problem that it is not possible to confirm what happened to the reservation other than the displayed reservation result. In order to solve this problem, in Web computing, it is possible to use a session management means such as a cookie to restrict the reservation process so that only one reservation can be made in one session. In this case, the session is cut off as a result of the processing request from the user for the second time or later. There was a problem of recognizing failure. In addition,
The term “session” as used herein means that a Web client logs on to a target server system to perform one or more target processes, and completes the target process and logs off as one unit. Refers to the unit.

[0009] The second problem relates to a "Back" button for returning to a previous page in a Web browser. Return to the previous page in the Web browser "Bac
The "k" button provides a function to return to the previously processed page one by one when pressed. The “processing” here is one W
The user inputs data to the Web page in the Web client, transmits the data to the Web server, and receives the page data in which the result is displayed. Therefore, in the above-described conventional configuration, it is possible to return to the “Back” button and redo the completed processing. Such processing is not a problem when performing normal product search processing. However, multiple pages such as product selection / purchase are regarded as a series of processing, and when processing is completed, the process returns to the previous page and returns to that page. This is a problem when creating a system that must be able to handle the. Also, in the conventional method, there is a system that regards such a series of processing as one session, and displays an error page on a Web client when the session is completed or when processing is performed by returning to a previous page in the session. However, if such a method is adopted, the output result on the Web client of a normally completed page before returning is discarded as an error page. Therefore, once a session failure occurs, it is necessary to continue from the point of normal completion. There is a problem that can not be.

In the above description of the problem, the network 220 is the Internet or an intranet,
Although the present invention is applied to Web computing for transmitting a Web page described in HTML (Hyper-Text Markup Language) between a Web client 210 and a server system 220, the present invention is limited to the Internet or an intranet. No, and HTML
The present invention is not limited to those described in the above, and further focuses on the server system 230 having a problem, performs a predetermined process based on a process request command given from the network, and provides a general result of giving the process result to the network. Even a processing apparatus has a similar problem.

[0011] Therefore, even if the network is congested, the user can recognize the correct processing result, and a Web computing server that does not perform processing completed in the past.
The system was sought.

[0012]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a first aspect of the present invention is to provide a computer system which is provided through a network.
Web that processes a processing request command from a Web client
In the server system of b-computing,
(1) Has a communication function with the Web client
And (2) processing according to the processing request command.
Process to form a reply result,
If one processing request command is given several times in a row,
And the processing result for the first processing request command and the second
Make the processing result for the subsequent processing request command different
A processing execution server for processing, and (3) the Web server and
And the cache server provided between
And (4) the cache server has (4-)
1) At least the processing result for the immediately preceding processing request command
Storage means for storing, (4-2) the Web client
The same processing request as the processing request command given immediately before
When a command is given, the above storage means stores
The processing result is given to the Web server and the Web client
And send the given processing request command
Processing result output adjusting means not provided to the processing execution server;
It is characterized by having .

[0013] Further , the second present invention provides a communication system via a network.
Processing request command from Web client given
Computing server system for processing
In (1) the communication function with the Web client
And (2) the above processing request command
Executes the process according to and forms the process result to be returned
A processing execution server, (3) the Web server and the processing
Cache server provided between the management execution servers
(4) The cache server has (4-1) again
Processing after past processing group that is not allowed to perform
Storage means for storing a predetermined processing result according to (4).
2) The processing request command given from the network is
Past processing corresponding to a predetermined processing result stored in the storage means.
Processing request command that is in the past than the processing request command
Judge whether the command is a management request, and if
The predetermined processing result stored in the storage means is stored in the Web
When given to the server and sent to the Web client
In both cases, the given process request command is sent to the process execution server
And a processing result output adjusting means that does not provide the processing result.
I do .

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a W eb computing server system of the present invention will be described in detail with reference to the drawings.

(A) Description of Configuration FIG. 1 is a block diagram showing the configuration of Web computing of this embodiment. In FIG. 1, this Web
Computing includes a Web client 110,
Network (Internet or Intranet) 1
20, Web server 131, application server 132, core system 133, and cache server 134
And a server system 130 comprising:

The Web client 110 is running a Web browser application, displays a Web page created by the server system 130 and transmitted through the network 120, and based on the Web page, a user (operator). Requests processing, and transmits the processing request to the server system 30 via the network 20. Note that this processing request includes session information having information such as the processing request made last time and the processing result.

The network 120 is the Internet or an intranet, that is, the Web client 110 and the server system 130 are connected by HTML (Hydra
A Web page described in per-Text Markup Language (HTTP) is communicated by HTTP (Hyper-Text Transfer Protocol). The Web page includes not only display of text and images, but also output of sound and execution of an application.

The server system 130 has the following components.

The Web server 131 transmits a Web page from the cache server 134 to the Web client 110 via the network 120 and receives a processing request transmitted from the Web client 110 via the network 120 to cache the Web page. Server 1
34.

The application server 132 sends the processing request given from the cache server 134 to the backbone system 133, and creates a Web page for processing by the backbone system 133 and / or a result of the processing, and creates a Web page for the cache server 134. To give.

The core system 133 is, for example, a database system, a billing system, or an information system of a hotel reservation system or a ticket reservation system, and performs a predetermined process based on a processing request given from the application server 134. Here, the “processing” is one Web created by the application server 132.
This is a process performed by the core system 133 on the page, and if there is a next process and / or a processing result,
This is transmitted from the backbone system 133 to the application server 132, and the application server 132 creates a Web page for the next processing and performs the same operation.

The cache server 134 which is a feature of this embodiment includes: 1) automatic allocation of session information integrated with a plurality of pages, 2) automatic allocation of session information relating to a single page in a session, and 3) Web. Server 1
The result of processing the data processing request sent from the Web client 110 via the application server 132 via the application server 132 is stored. 4) The data processing request to the application server 132 for outputting a single page is the same again in the same session. When there is a request for data processing (abbreviated as reload request), setting of the process using the information saved in the above 3) (reload process is possible), 5) use the “Back” button on the Web client 110 In the case where the page output to the Web client 110 is returned to the previous state and the processing is executed, a processing request (a check point and a check point) for returning a processing result to be returned as an intermediate processing result in a series of processing up to that point. 6) The above checkpoint processing request is W
Saving the processing result in the application server when requested by the web client 110; 7) Web server 1
In the case where the data processing request sent from the Web client 110 via the Web server 31 is set to the reload request of the above 4) in the data processing request from the Web client 110, the latest stored current state of the session is stored. Server 13 of application server processing result of
Return to 1, 8) to the data processing request sent from the Web client 110 via the Web server 131, a data processing request from the Web client 110 is earlier than the latest checkpoint specified above 5) When processing is requested , W of the application server processing result saved when the checkpoint processing was performed
It has eight functions such as returning to the web server 131.

(B) Description of Operation Next, the operation of the Web computing having the above configuration will be described with reference to FIG. 1 and FIG.

In FIG. 1, first, a Web client 110 receives a request from a Web server 110 via a network 120.
31, a processing request is transmitted to the Web server 1 (SP1).
At 31 , the processing request is received and given to the cache server 134 (SP2).

Here, the cache server 131 includes the current processing request and the session information based on the given processing request and the session information included in the processing request.
Rarely are the last and the processing request and is determined whether or not the same
And, if the same as given processing request is reloading request, the cache server 134 El given the processing result from the most recent application server 132 that is stored in itself to the Web server 131 (SP3). Also, the previous processing request included in the session information is before the current processing request and the previous page is displayed.
, And the when the current processing request is a further pre-treatment requirements than most recent checkpoint, Web server 1 processing result checkpoints that are stored in the cache server 134 from the cache server 134
31 (SP3). On the other hand, except in these cases, given processing request application servers 13
2 (SP4).

[0026] For example given the restore process given the application server 132 requests the main system 133 (SP5),
Predetermined process based on the main system 133 the process request is made, the processing result is given to the application server 132 (SP6), the cache server 134 creates a Web page based on the process result by the application server 132 Given to.

The Web cache server 13 4, example given to the Web server 131 saves the Web pages of a given processing result therein (SP8), the processing result via the network 120 by the Web server 131
That it is sent to the client 110 (SP9).

FIG. 3 is a flowchart showing a detailed operation of the cache server 134 which is a feature of this embodiment.

In FIG. 3, the cache server 134
Receives the data from the Web server 131 (S
P10), and eject the processing request from the data (SP1
1) Further, session information is extracted from the processing request
Be (SP12).

[0030] Here, the cache server 13 4, based on the processing request and the session information extracted, and the present processing request and previous process request included in the session information is to determine identical or not, If they are the same (SP13
"Yes") , the given processing request is stored in its own ( cache server 134 ) as a reload request.
Given the processing result from the most recent application server 132 and the Web server 131 Ete network 120
(SP17) .

[0031] In addition, except in the case of the above ( "No" of the SP13), cache server 134, the previous processing requests that are included in the session information is in before the current processing request, to display the previous page it is "Back", in the case where the current processing request, it is determined whether or not a further pre-treatment than the most recent checkpoint, the corresponding (SP14
"Yes"), We the processing result of setting the check point that is stored on the self (cache server 134)
b given to the server 131 Ete is transmitted to the network 120
(SP17) .

Furthermore, except in the case of these (SP14
"NO"), the cache server 134, giving a processing request given to the application server 132 receives the reply processing result (SP15), saves the result of the processing as the latest processing result (SP16) , Web
Give to server 131 and send to network 120
(SP17) .

(C) Description of Effects As described above, according to this embodiment, the conventional We
b Computing server 13
4 is added, the processing result of the application server 132 is stored in the cache server 134, and a processing request that meets a set condition by providing a reload requestable processing is provided for the application server 132 stored in the cache server 134. Since the data using the processing result is transmitted to the Web client 110, the problem of not displaying the Web client as the first processing result caused by a communication failure or an operation error of the Web client user is solved.

According to this embodiment, the cache server 134 has a checkpoint,
If the processing before the condition set in the session is requested, the data using the processing result of the checkpoint is transmitted to the Web client 110, so that once the session failure occurs, the processing that has been completed normally can be continued. The problem of disappearance is solved. When the last process of a session is set as a checkpoint, the result of the previous session can be referred to even if the session is completed, unless a new same session is generated.

(D) Another Embodiment In the above embodiment, the network 120 is the Internet or an intranet, and the Web client 1
Although the present invention is applied to Web computing that transmits a Web page between the server 10 and the server system 130, the present invention is not limited to the Internet or an intranet, and is not limited to a Web page. Other networks such as Ethernet used in company LAN (Local Area Network),
The present invention can be similarly applied to a system for transmitting data such as text and images in the CSMA / CD system, and the present invention is similarly applied to other network systems of other data link systems. it can. In this case, the application server 132 for creating a Web page does not need to be provided.
1 is an interface device of the network.

In the above-described embodiment, the present invention is applied to the server system 130. However, predetermined processing is performed based on a processing request command given from the network, and the processing result is provided to the network. The present invention can be similarly applied to a general processing apparatus.

Further, in the above-described embodiment, the processing request from the Web client 110 includes the session information, and the main processing request information and the preprocessing request information of the session information in the cache server 134 are the same. Although the one that identifies that it is the same as the immediately preceding processing request is shown, for example, the cache server 134 stores the immediately preceding processing request, and the stored immediately preceding processing request is the same as the currently given processing request. It may be identified by something, or it may be another method.

Further, in the above-described embodiment, one Web client 110
When showed to have a single server system 1 3 0, of course, Web client and server systems may be multiple.

In the above embodiment, the session information includes only the previous processing request information.
Further, a point at which past processing cannot be performed is set in the past processing request information group including past processing request information (may be a time stamp), and the cache server 134 sets the session information. May be used to determine whether or not the given processing request is before the set point.

Further, in the above embodiment, it is determined whether or not the processing request given from the cache server 134 to the core system 133 via the application server 132 includes session information which is not directly related to the actual processing request (this processing request). Although not particularly specified, the cache server 134 or the application server 132 may remove the session information and give only this processing request to the core system. Alternatively, the session information may be given to the core system 133 without removing the session information. in basic system 133, it may be a case you referring to process previously performed in the processing example according to the present process the request.

[0041]

As described above, according to the first aspect of the present invention ,
Also network is a congested state or a communication failure, the user can recognize the correct processing result, also, even if the user had the same operation twice in succession in the operation mistake to provisional,
This operation mistake can be avoided.

Further, according to the second invention, even when the past processing request command not it is permitted to perform again it is given, given then the processing result of the (immediately), the processing request command No processing can be performed.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating configuration blocks of Web computing according to an embodiment and a processing procedure thereof.

FIG. 2 is a block diagram illustrating a configuration example of conventional Web computing.

FIG. 3 is a flowchart illustrating a detailed operation of the cache server 134 according to one embodiment.

[Explanation of symbols]

110: Web client, 120: Network,
130 ... server system, 131 ... Web server, 13
4 ... Cache server.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 identification code FI H04L 12/56 12/58 (58) Fields investigated (Int.Cl. 7 , DB name) G06F 13/00 G06F 12/00 G06F 15/00 H04L 12/28 H04L 12/46 H04L 12/54 H04L 12/56 H04L 12/58

Claims (4)

(57) [Claims]
1. Web provided via a network
Webcon processing the processing request command from the client
In a computing server system, a Web server that has a communication function with the Web client.
b, a process for executing a process according to the process request command and returning
Process result and the same processing request
When given continuously, the first processing request finger
Processing result for the command and the second and subsequent processing request commands
Processing server that processes the processing results differently
When provided between the Web server and the process execution server
And a cache server is, the cache server stores the processing result for at least the immediately preceding processing request command
And a processing request given immediately before from the Web client
If the same processing request command is given,
The processing result stored in the storage means is given to the Web server.
And send it to the Web client.
Process that does not give the specified process request command to the process execution server
Characterized in that it has processing result output adjusting means.
Computing server system .
2. A processing request from the Web client.
The command includes the main processing request that requests the current processing and the preprocessing.
Request , the processing result output adjusting means includes:
Based on the command's main processing request and pre-processing request, the network
Processing request command given by the
Processing request command and that it is determined whether or not the same
The Web computing according to claim 1, wherein:
Server system .
3. Web provided via a network
Webcon processing the processing request command from the client
In a computing server system, a Web server that has a communication function with the Web client.
b, a process for executing a process according to the process request command and returning
A processing execution server for forming a processing result; and a processing execution server provided between the Web server and the processing execution server.
And the cache server has a cache server after the past processing group that is not permitted to perform again.
A storage unit for storing a predetermined processing result of the processing, and a processing request command given from the network,
A past processing request corresponding to a predetermined processing result stored by the means;
Processing request same as previous processing request command
Request command, and if so,
The predetermined processing result stored in the storage means is stored in the Web server.
And send it to the Web client
To the above-mentioned processing execution server.
And a processing result output adjusting means that cannot be used.
Web computing server system .
4. The processing execution server is connected to a network.
Gives processing results to high-level user interface information
2. A conversion device comprising: a conversion unit configured to perform conversion.
3. A web computing server according to any one of
Bas system .
JP518199A 1999-01-12 1999-01-12 Web computing server system Expired - Fee Related JP3537338B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP518199A JP3537338B2 (en) 1999-01-12 1999-01-12 Web computing server system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP518199A JP3537338B2 (en) 1999-01-12 1999-01-12 Web computing server system

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Publication Number Publication Date
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JP3537338B2 true JP3537338B2 (en) 2004-06-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
JP (1) JP3537338B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4153201B2 (en) 2001-12-19 2008-09-24 富士通株式会社 Communication control method, communication system, and computer program
JP5724687B2 (en) 2011-07-04 2015-05-27 富士通株式会社 Information processing apparatus, server selection method, and program

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