JP2002288130A - System, method, and program for distributed processing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a distributed processing system in which a requester machine can easily obtain a processing demon for executing a specific-function processing, which is a part of the main body of instruction processing, from a remote machine, and can process the specific-function processing. SOLUTION: In the distributed processing system, a remote machine 10 and a requester machine 20 are connected via a network 30. The remote machine 10 is provided with an application 13 for executing various kinds of instruction processing, a processing demon for executing specific-function processing, and a relay library 14 for relaying instructions related to the specific-function processing. When the processing demon is requested by the requester machine 20, it can be offered easily to the requester machine 20, and when an instruction related to the specific-function processing is requested by the requester machine 20, the instruction is relayed from among the applications by the relay library 14 and offered to the requester machine 20 through a communication control port.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distributed processing system, a distributed processing method, and a program in which a requesting machine receives and processes a specific function process, which is a part of the instruction processing of a remote machine.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Patent Application Laid-Open No. Hei 7-302233, in a system that shares windows using a plurality of workstations and personal computers connected to a network, a main program displays screen data of an application. A system has been developed in which data is transmitted to a subprogram via a public line and displayed on a screen by the subprogram. Further, a server that is a processing request source and a client that is a request destination individually prepare software for instruction processing and communication have been considered.

[0003]

However, a system using a system in which a main program transmits screen data of an application to a sub-program via a public line and displays the screen by the sub-program is used in a remote server terminal. Can be displayed on the client terminal, but the subprogram needs to be installed in the client terminal in advance. Further, there is a problem that the screen can be displayed only on the activated client terminal even if the subprogram is installed in advance. In addition, if the processing requester and the requestee prepare software for command processing and communication separately, they must separately study and develop not only the applet but also the study and development of the data communication method of both. However, there is a problem that the development cost increases. The present invention has been made in view of the above circumstances, and separates an instruction processing main body part from a specific function processing part, leaves the instruction processing main body part on the request destination machine side, and executes the specific function processing part on the request source machine. An object of the present invention is to provide a distributed processing system and a distributed processing method that enable the processing. Another object of the present invention is to provide a program for executing a required instruction process of a specific function processing part and an instruction processing body based on a request from a requesting machine.

[0004]

(1) In order to solve the above-mentioned problem, in a distributed processing system in which one or more remote machines and one or more requesting machines are connected via a network, The remote machine is an application serving as an instruction processing body that executes various instruction processes, a relay library that relays an instruction related to a specific function process in the application between the requesting machine, and a relay library. A processing daemon for executing the specific function process to be relayed, downloading a processing daemon managed by the remote machine based on a request from the requesting machine, and processing the specific function on the requesting machine Is executed. According to the present invention having the above-described configuration, an application serving as an instruction processing main body is separated from a processing daemon for executing a specific function process. It is possible to easily display the specific function processing, and it is possible to fetch an instruction related to the specific function processing from the application via the relay library. (2) In a distributed processing system in which one or more remote machines and one or more requesting machines are connected via a network, the remote machine is an application serving as an instruction processing main body for executing various types of instruction processing. And a relay library for relaying an instruction related to a specific function process in the application between the request source machine and a communication control port, and a process for executing the specific function process relayed from the relay library A daemon and a manager that, when receiving a notification of the communication control port secured by the relay library, notifies the processing daemon and makes a communication connection request from the processing daemon to the relay library. Downloads a processing daemon managed by the remote machine upon request of In this configuration, the processing of the specific function is executed on the requesting machine.

According to the present invention, an application serving as an instruction processing main body and a processing daemon for executing a specific function process are separated from each other by the above-described configuration.
The specific function process can be easily displayed on the browser, and when the remote machine receives a command request related to the specific function process from the requesting machine side, the manager notifies the requesting machine of the communication control port. Therefore, if the requesting machine requests connection of the communication control port, the relay library relays the command related to the specific function processing in the application and provides the command to the processing daemon of the requesting machine. The former machine has only the required functions such as a browser, so that it can execute a part of the specific processing of the instruction processing main body, and can execute the instruction processing with high flexibility without any special function. (3) A distributed processing method according to the present invention is a distributed processing system in which a remote machine and a requesting machine are connected via a network, and a processing daemon requesting step for requesting a processing daemon to the remote machine. Downloading the requested processing daemon to a browser of the requesting machine, specifying an application described on the downloaded Web page, and receiving the specified application at the remote machine. Starting the application and linking with the relay library instead of the existing library; after establishing the link by this step, the relay library secures a communication control port and notifies the manager of the port; Number the browser Notifying the above processing daemon, requesting the relay library of the remote machine for an instruction related to the specific function processing using the port number received by the processing daemon that has received the notification, Sending the application to a processing daemon on the browser, executing the processing instruction received from the relay library by the processing daemon, and notifying the relay library of a processing instruction generated with the execution. Since the requesting machine has only a request function such as a browser, it is possible to execute a part of the instruction processing of the instruction processing body smoothly.

(4) Further, a computer program according to the present invention includes a Web page providing function for providing a Web page including a processing daemon, and a request for a processing daemon in a Web page provided by the Web page providing function. A processing daemon request confirmation function to be confirmed, a processing daemon providing function of providing the processing daemon to the requesting machine when the request is confirmed by the confirmation function, and a processing daemon provided by the providing function. An application name designation confirmation function for confirming whether or not a specific application is designated; a function of starting the application under the application confirmed by the designation confirmation function and performing linking with a relay library; Depending on the relay library linked to the application, A port notification function that secures a communication control port through a manager and notifies the port number of the processing to a processing daemon of the requesting machine via a manager, and provides a specific function process of the application to the processing daemon through the communication control port. The above functions are realized by causing a computer to read a program that realizes an application providing function to be performed.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) A first embodiment of the present invention will be described below with reference to the drawings. 1 and 2 are configuration diagrams showing an embodiment of a distributed processing system according to the present invention. This distributed processing system executes an instruction processing main body of application software as shown in FIG. The remote machine 10 and a plurality of requesting machines 20 that receive and process a specific function processing part, such as a display daemon (a resident program for display), which is a part of the instruction processing of the instruction processing body of the remote machine 10, are connected to the Internet, Network 3 such as intranet
0. The remote machine 10 executes the command processing itself, transfers the command processing requested by the requesting machine 20, and executes the requested command from the server main body or the requested machine as needed. It has a role, specifically, as shown in FIG.
A database 11 for storing a homepage file such as an HTML language and various processing daemons serving as specific function processing parts, for example, a display daemon and other necessary processing daemons, resides on the remote machine 10 and receives a request from the requesting machine 20 side A Web server 12 that downloads a display daemon and starts an application 13 to be described later; an application 13 that operates on the remote machine 10 and receives and transmits a start instruction from the Web server unit 12 to execute transmission and reception of various commands; a relay library 14; A manager 15 and a storage medium 16 are provided.

The relay library 14 is compatible with the existing library 17, and is compatible with the existing library 1.
7 (library prepared in the existing execution environment), a relay function that is linked to the application 13 and transmits / receives the instruction from the application 13 and the downloaded display daemon of the requesting machine 20, communication control for the requesting machine 20 This is a library (a software component in which a process associated with a specific instruction is implemented) having a function such as securing a port. The manager 15 is resident on the remote machine 10,
It has a function of notifying the requesting machine 20 of the management / control of the display daemon operating on the above and the number of the communication control port notified from the relay library 14. The storage medium 16 is a medium for storing a series of processing programs related to a display daemon request from the requesting machine 20, and is, for example, a magnetic disk, a magnetic tape, a CD-RO.
M, DVD-ROM, floppy (registered trademark) disk, MO, CD-R, memory card, and the like are used.
It is also conceivable to obtain a series of processing programs related to the display daemon request from the request source machine 20 via a network or the like.

The remote machine 10 is connected to the network 3
Although an example is shown in which only one unit is installed on the unit 0, a plurality of units may be installed. On the other hand, the requesting machine 2
Reference numeral 0 corresponds to a so-called client that requests a display command to the remote machine 10 and a request of an application 13 necessary for processing of the display daemon, as well as a required command process. In addition, a general browser 21 for browsing the Web page of the remote machine 10 is installed, and by activating the browser 21, the required display daemon 22 serving as a specific function processing part is installed and executed from the Web server 12 side. Has a function. The display daemon 22 operates as a Java applet (a Java language description program dynamically downloaded and activated by the browser) on the browser 21, and performs actual processing of various commands sent from the relay library 14. It has a function of notifying the relay library 14 of the occurrence of an event. Although the example in which a plurality of request source machines 20 are installed is shown, the same applies to a case where only one is installed. Next, the operation of the above system or the method of the present invention will be described. (1) The power of the remote machine 10 is turned on, and the manager 15 in the remote machine 10 is started.

(2) In the operating state of the remote machine 10 as described above, the user operates the browser 2 of the requesting machine 20.
1 is started, the Web server 12 is accessed based on the URL, and the Web page sent from the Web server 12 is displayed. (3) Here, the user is caused to click (select) the link information of the display daemon described on the Web page displayed on the browser 21. (4) The Web server 12 reads out the display daemon related to the clicked link information from the database 11 and downloads (provides) it to the requesting machine 20. (5) Here, the display daemon 22 on the requesting machine 20
Is activated to display an application column with a link. (6) Then, the user is made to click on the application in the application column displayed in the browser 21, and the CGI script is activated. (7) The Web server 12 of the remote machine 10 activates the application 13 clicked by the CGI script to operate, for example, the relay library 14 instead of the existing library 17. (8) Here, the relay library 14 is the existing library 1
7 is linked with the application 13.

(9) The application 13 is started. (10) On the other hand, the relay library 14 secures a connection port for communication control and notifies the manager 15. (11) The manager 15 sets the connection port number to the browser 2
1 to the display daemon 22. (12) The display daemon 22 requests connection with the relay library 14 using the received connection port number, and establishes connection with the relay library 14. (13) Here, the relay library 14 sends a display processing command of the application 13 to the display daemon 22. (14) On the other hand, the display daemon 22 is the relay library 14
It actually processes the display processing command received from, and relays an event generated by the processing to the application 13 via the relay library 14. Therefore, according to the above-described embodiment, by separating the application 13 serving as the instruction processing main body and the processing daemon for executing the specific function processing, the request source machine 20 requests the processing daemon on a browser, for example. By doing so, a processing daemon can be acquired immediately, and specific function processing can be easily executed. Further, when the remote machine 10 receives an instruction request related to the specific function processing from the requesting machine 20 side, the manager 15 notifies the requesting machine 20 of the communication control port notified from the relay library 14. When the source machine 20 requests the connection of the communication control port, the relay library 14 relays the instruction related to the specific function processing in the application and provides the instruction to the processing daemon of the request source machine 20. Can be executed, and the request source machine 20 can execute the specific function processing only by providing the browser 21, and can execute the instruction processing with high flexibility.

Next, the operation of the system of the present invention and an example of processing of a program stored in a recording medium 16 obtained or mounted via a network on a remote machine 10 to which a request is made will be described with reference to FIG. While the remote machine 10 having the CPU and the requesting machine 20 are operating, the browser 21 is started by the user possessing the requesting machine 20 and the Web server 12 is accessed under the URL. The machine 10 reads the program obtained from the network or stored in the storage medium 16,
The following processing is executed. That is, remote machine 1
The Web server 12 determines whether there is access to the Web page based on the URL, and if there is access, sends the Web page stored in the database 11 to the requesting machine 2
0 (S1, S2: Web page providing function).
Here, the user receives the W received from the remote machine 10.
The web page is displayed on the requesting machine 20, and the display daemon described on the web page is clicked. After providing the Web page, the Web server 12 of the remote machine 10 determines whether or not there is a request for a display daemon (S3: processing daemon request confirmation function). (S4: processing daemon providing function).

Here, in the request source machine 20, an application column which is various instructions of the application 13 described in another downloaded Web page is described, and an application which is an instruction process related to the display daemon is described. Have the user click. Next, the Web server 12 of the remote machine 10 checks whether or not a specific application name has been designated (S5: application name designation confirming function).
To establish a link with the relay library 14 in place of the existing library 17 (S6: link establishment function).
Here, the relay library 14 secures a communication control port with the request source machine 20, and notifies the display daemon 22 via the manager 15 (S7: port notification function). In this state, the relay library 14 of the remote machine 10
Determines whether or not there is a connection request from the display daemon 22, and when there is a connection request, the application 13
And provide it to the display daemon 22 (S8, S
9: Application providing function). The display daemon 22 actually performs processing by using an application related to the display daemon. If an event occurs during this processing, the display daemon 22 notifies the relay library 14 and notifies the application 1
3 to perform processing for requesting other necessary instructions and the like.

Therefore, the computer as the remote machine 10 provides the processing daemon serving as a specific function process which is a part of the instruction processing main body to the requesting machine 20 in response to the processing daemon request from the requesting machine 20. When a request for an application for an instruction process related to a specific function process is received from the requesting machine 20, a communication control port with the requesting machine 20 is secured, and the requesting machine 20 is notified. The required application can be quickly provided to the processing daemon. Therefore, according to the distributed processing system and the method thereof according to the present invention, the remote machine 10 can be remotely operated by the requesting machine 20. Further, it is not necessary to develop applications and the like separately on the remote machine 10 side and the request source machine 20 side, and the number of development steps can be greatly reduced. Furthermore, since the requesting machine 20 can acquire the processing daemon by simply clicking on the browser, the installation of a special application is not required, and the operation becomes very simple.
Moreover, it can be operated without depending on the OS. (Second Embodiment) Hereinafter, a second embodiment of the present invention will be described with reference to the drawings.

[0015] The description similar to that of the first embodiment is omitted. FIGS. 1 and 4 are configuration diagrams showing a second embodiment of the distributed processing system according to the present invention.
The difference from the first embodiment is the function of the manager 15. The manager 15 resides in the remote machine 10 and notifies the requesting machine 20 of the management and control of the display daemon operating on each of the requesting machines 20 and the communication control port number notified from the relay library 14. Has a function. It also has a function of managing each requesting machine and notifying a connection rejection when there is a connection request from another display daemon activated on the registered requesting machine. Next, the operation of the system or the method of the present invention will be described with reference to FIG. (1) The power of the remote machine 10 is turned on, and the manager 15 in the remote machine 10 is started. (2) In the operating state of the remote machine 10 as described above, the user starts the browser 21 of the requesting machine 20, accesses the Web server 12 based on the URL, and transmits the Web server 12 transmitted from the Web server 12. Display the page. (3) Here, the user is caused to click (select) the link information of the display daemon described on the Web page displayed on the browser 21.

(4) The Web server 12 stores a display daemon related to the clicked link information in the database 11
And downloads (provides) it to the requesting machine 20. (5) Here, the display daemon 22 on the requesting machine 20
Is activated to display an application column with a link. However, if another display daemon 22 is already running on the requesting machine, a new display daemon is not started. (6) Then, the user is made to click on the application in the application column displayed in the browser 21, and the CGI script is activated. (7) The Web server 12 of the remote machine 10 activates the application 13 clicked by the CGI script to operate, for example, the relay library 14 instead of the existing library 17. (8) Here, the relay library 14 is the existing library 1
7 is linked with the application 13. (9) The application 13 starts. (10) On the other hand, the relay library 14 secures a connection port for communication control and notifies the manager 15. (11) The manager 15 sets the connection port number to the browser 2
1 to the display daemon 22. (12) The display daemon 22 requests connection with the relay library 14 using the received connection port number, and establishes connection with the relay library 14.

(13) Here, the relay library 14
Display daemon 2 for display processing instruction of application 13
Send to 2. (14) On the other hand, the display daemon 22 is the relay library 14
It actually processes the display processing command received from, and relays an event generated by the processing to the application 13 via the relay library 14. Therefore, according to the above-described embodiment, by separating the application 13 serving as the instruction processing main body and the processing daemon for executing the specific function processing, the request source machine 20 requests the processing daemon on a browser, for example. By doing so, a processing daemon can be acquired immediately, and specific function processing can be easily executed. Further, when the remote machine 10 receives an instruction request related to the specific function processing from the requesting machine 20 side, the manager 15 notifies the requesting machine 20 of the communication control port notified from the relay library 14. When the source machine 20 requests the connection of the communication control port, the relay library 14 relays the instruction related to the specific function processing in the application and provides the instruction to the processing daemon of the request source machine 20. Can be executed, and the request source machine 20 can execute the specific function processing only by providing the browser 21, and can execute the instruction processing with high flexibility.

Further, by adopting a form in which a plurality of display daemons 22 do not operate on the same machine, it is possible to minimize the use of resources such as memory and CPU on the requesting machine. Next, the operation of the system of the present invention and an example of processing of a program stored in a recording medium 16 obtained or mounted via a network on a remote machine 10 to be a request destination will be described with reference to FIGS. In a state where the remote machine 10 having the CPU and the requesting machine 20 are operating, the browser 21 is started by the user possessing the requesting machine 20, and the Web is transmitted under the URL.
b server 12 is accessed, but remote machine 10
The program obtained from the network or read from the storage medium 16 is read, and the following processing is executed. That is, the Web server 12 of the remote machine 10 determines whether there is access to the Web page based on the URL, and if there is access, provides the Web page stored in the database 11 to the requesting machine 20 (S1, S2: Web page providing function). Here, the remote machine 1
0 is displayed on the requesting machine 20 and the display daemon 22 described on the web page is displayed.
Click.

The Web server 12 of the remote machine 10
After providing the web page, it is determined whether a display daemon is requested (S3: processing daemon request confirmation function). If there is a request, the display daemon is read from the database 11 and downloaded to the browser 21 (S4: processing daemon provided). function). Here, the processing shifts to FIG. In the request source machine 20, the browser 21 downloads the display daemon and activates the display daemon after downloading. Thereafter, a connection request is made from the display daemon 22 to the manager 15. After receiving the connection request from the display daemon 22, the manager 15 searches a requesting machine management table (not shown) in the database 11 and searches for another display daemon. (S21, S22, S23: processing daemon operation status confirmation function). Here, if another display daemon is already operating on the requesting machine, the manager 15 notifies the display daemon 22 of the connection refusal (S27: connection rejection notification function), and the display daemon ,
After receiving the connection rejection, the process returns to the start in FIG. If another display daemon is not already running on the requesting machine, the manager 15 registers the requesting machine in the requesting machine management table (requesting machine registration function). Further, the manager 15 is provided with the processing daemon 22.
Is notified of connection permission (S25: connection permission notification function).
Then, after the processing daemon 22 receives the connection permission,
The connection with the manager is established (S26: connection establishment function). Then, the process returns to (B).

In the requesting machine 20, the application 13 described in another downloaded Web page
The application column, which is a variety of commands, is described, and the user is made to click on an application that is a command process related to the display daemon. Next, remote machine 1
The Web server 12 checks whether a specific application name is specified (S5: application name specification confirmation function), and if specified, activates the application 13 and replaces the existing library 17 with the relay library 14. (S6: link establishment function). Here, the relay library 14 secures a communication control port with the request source machine 20, and notifies the display daemon 22 via the manager 15 (S7: port notification function). In this state, the relay library 14 of the remote machine 10 determines whether there is a connection request from the display daemon 22, and when there is a connection request, extracts the application 13 and provides it to the display daemon 22 (S8, S9: application Function). The display daemon 22 actually performs processing using an application related to the display daemon. If an event occurs during this processing, the display daemon 22 notifies the relay library 14 and requests the application 13 to request another necessary command or the like. Is what you do.

Accordingly, the computer as the remote machine 10 provides the requesting machine 20 with a processing daemon serving as a specific function processing which is a part of the instruction processing body in response to the request from the requesting machine 20 for the processing daemon. When a request for an application for an instruction process related to a specific function process is received from the requesting machine 20, a communication control port with the requesting machine 20 is secured, and the requesting machine 20 is notified. The required application can be quickly provided to the processing daemon. Therefore, according to the distributed processing system and the method thereof according to the present invention, the remote machine 10 can be remotely operated by the requesting machine 20. Further, according to the present invention, even when there are a plurality of processing daemon requests from the same requesting machine, the processing daemon is not downloaded and started a plurality of times, and the increase in the memory usage and CPU load on the requesting machine is minimized. It is possible to improve the processing performance on the requesting machine. Also, remote machine 1
There is no need to separately develop applications and the like on the 0 side and the request source machine 20 side, and the number of development steps can be greatly reduced. Furthermore, since the requesting machine 20 can acquire the processing daemon by simply clicking on the browser, it is not necessary to install a special application, the operation is very simple, and the operation can be performed without depending on the OS. it can.

It should be noted that the present invention is not limited to the above-described embodiment, but can be carried out in various modifications without departing from the gist thereof.

[0023]

As described above, according to the present invention, the instruction processing main part is separated from the specific function processing part, the instruction processing main part is left on the request destination machine side, and the specific function processing part is transferred to the requesting machine. A distributed processing system and a distributed processing method that can be easily obtained and execute instruction processing. Also,
The present invention can provide a program that executes a necessary command of a specific function processing part and a command processing body based on a request from a requesting machine.

[Brief description of the drawings]

FIG. 1 is a network system diagram of a distributed processing system according to the present invention.

FIG. 2 is a configuration diagram showing a first embodiment of a distributed processing system according to the present invention.

FIG. 3 is a flowchart illustrating a series of processing examples of operations and programs in the distributed processing system according to the first embodiment of the present invention.

FIG. 4 is a configuration diagram showing a second embodiment of the distributed processing system according to the present invention.

FIG. 5 is a flowchart for explaining a series of processing examples of operations and programs in the distributed processing system according to the second embodiment of the present invention.

FIG. 6 is a second flowchart illustrating a series of processing examples of operations and programs in a second embodiment of the distributed processing system according to the present invention.

[Explanation of symbols]

 Reference Signs List 10 remote machine 11 database 12 Web server 13 application 14 relay library 15 manager 16 storage medium (program) 20 requesting machine 21 browser 22 display daemon (processing daemon)

Continued on the front page (72) Inventor Yusei Shuto 1 Toshiba-cho, Fuchu-shi, Tokyo Inside the Toshiba Fuchu office (72) Inventor Yasushi Ono 1-Toshiba-cho, Fuchu-shi, Tokyo Inside the Fuchu office F-term (Reference) 5B085 BA07 BE04 BG07 CA04 CA07

Claims (6)

[Claims] 1. A distributed processing system in which one or more remote machines and one or more requesting machines are connected via a network, wherein the remote machine has an instruction processing main body for executing various instruction processing. An application, a relay library that relays an instruction related to a specific function process in the application between the application and the requesting machine, and a processing daemon that executes the specific function process relayed from the relay library. A distributed processing system which downloads a processing daemon managed by the remote machine in response to a request from the requesting machine and executes the processing of the specific function on the requesting machine. 2. In a distributed processing system in which one or more remote machines and one or more requesting machines are connected via a network, the remote machine includes an instruction processing main body for executing various instruction processing. A relay library that relays an instruction related to a specific function process in the application via a communication control port between the application and the requesting machine, and executes the specific function process relayed from the relay library A processing daemon to perform
And a manager for notifying the processing daemon when receiving the notification of the communication control port secured by the relay library and making a communication connection request from the processing daemon to the relay library. A distributed processing system, characterized in that a processing daemon managed by the remote machine is downloaded and the processing of the specific function is executed on the requesting machine. 3. The distributed processing system according to claim 1, wherein the processing daemon is a display function instruction process of a part of the application running in the remote machine. system. 4. An at least one remote machine having at least one remote machine having an application serving as an instruction processing main body for executing various types of instruction processing, and a processing daemon for executing a specific function processing which is an instruction processing of a part of the application. In a distributed processing system in which a requesting machine is connected via a network, a processing daemon requesting step for requesting a processing daemon to the remote machine, and downloading the requested processing daemon to a browser of the requesting machine Performing the step of specifying an application to be described on the downloaded Web page; receiving the specified application on the remote machine, starting the application, and linking with the relay library instead of the existing library. Step and this step After the link is established by the link, the relay library secures the communication control port and notifies the manager of the port, the manager notifies the processing daemon on the browser of the communication control port number, and the process receiving the notification Requesting the relay library of the remote machine for an instruction related to the specific function process using the port number received by the daemon; transmitting the application to the processing daemon on the browser by the relay library; Executing a processing instruction received from the relay library by the processing daemon, and notifying the relay library of a processing instruction generated with the execution. 5. A computer having a memory for storing an application serving as an instruction processing main body for executing various instruction processing and a processing daemon for executing a specific function processing which is a part of the instruction processing of the application,
A program for performing startup processing based on a request from a requesting machine, a Web page providing function for providing a Web page including a processing daemon, and a request for a processing daemon in the Web page provided by the Web page providing function A processing daemon request confirmation function for confirming the request; and a processing daemon providing function for providing the processing daemon to the requesting machine when the request is confirmed by the confirmation function; and a processing daemon provided by the providing function. An application designation confirmation function for confirming whether or not a specific application is designated; a function of starting the application under the application confirmed by the designation confirmation function and executing linking with a relay library; Depending on the relay library linked to the application A port notification function that secures a communication control port through a manager, and notifies the processing daemon of the requesting machine of the port number via a manager; and provides a specific function process of the application to the processing daemon through the communication control port. A computer program that implements an application providing function. 6. The distributed processing system according to claim 2, wherein the manager includes a request source machine management table for managing the request source machine on which the processing daemon is operating, and the processing daemon A distributed processing system for retrieving the requesting machine management table in response to a connection request received from the server, and rejecting the connection if the requesting machine is registered.