JP3780913B2 - Access management system and access management program for distributing measurement modules in response measurement - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to acquisition of information related to access from a client to a server, and in particular, an access management system, a server, a measurement server, and the like that acquire information by distributing a module for acquiring information to each client and notifying the outside. And an access management program.
[0002]
[Prior art]
Conventionally, as a technique for measuring response time of access to a server in a client, there is a method of measuring by distributing a measurement module for measuring response time in a client from the server to the client side. The measurement module measures an end-to-end response time between the client and the server when the client accesses the web page of the server. Then, a measurement result data collection server (measurement server) accepts transmission of measurement data from the measurement module of each client, and collects and analyzes measurement result data.
[0003]
However, this conventional technique has a problem that the response time is remarkably deteriorated when the measurement module is downloaded by each client.
[0004]
Hereinafter, the system configuration of the prior art will be described with reference to FIG. Referring to FIG. 10, this conventional system includes clients 11a to 13a, a web server 20a, and a measurement server 30a.
[0005]
The clients 11a to 13a are user terminals that access web pages to be measured. In the example of FIG. 10, three clients 11a to 13a are shown. However, the number of the clients is not limited to this, and generally increases gradually from several thousand to several tens of thousands.
[0006]
The web server 20a includes a web server processing unit 21a and a content database 22a, and stores an HTML file, a CGI, and a measurement module 23 for distribution.
[0007]
In addition to the response time, the measurement module 23a is a module that can measure a plurality of pieces of information such as a connection form on the client side (as shown in FIG. 3), a host ID, an OS type, and the like.
[0008]
The measurement server 30a includes a measurement data collection unit 31a and a measurement data collection database 32a.
[0009]
Next, operations from distribution of a measurement module to a client in the conventional technique to collection of measurement data will be described with reference to FIGS. 10 and 11.
[0010]
First, a tag for instructing the clients 11a to 13a to download the measurement module is written in an HTML file for response measurement published in the web server 20a in advance.
[0011]
When the client 11a accesses a web page on the web server processing unit 21a (requests a URL) in (1) (step 801), the measurement stored in the content database 22a is performed in (2) by the web server processing unit 21a. The module 23a transmits the HTML file in which the download tag is written to the client 11a (step 802), and the client 11a analyzes the HTML and finds the download tag (step 803).
[0012]
If the measurement module 23a designated by the tag does not exist in the cache in the client 11a, the measurement module 23a is requested to the designation destination in (3) (steps 804 and 805).
[0013]
In (4), the web server processing unit 21a transmits the distribution measurement module 23a stored in the content database 22a to the client 11a (step 806), and the distribution of the measurement module 23a on the client 11a is completed. .
[0014]
Thereafter, each time the client 11a accesses the measurement target web page (step 807), the measurement module 23a measures the end-to-end response time between the client and the web server (step 809), and the measurement is performed in (5). The measurement data is transmitted to the measurement data collection unit 31a of the server 30a (step 810).
[0015]
The measurement data collection unit 31a accumulates the measurement data collected in the measurement data collection database 32a (step 811), and can analyze the response time tendency and the like from this data.
[0016]
[Problems to be solved by the invention]
However, the above-described conventional technique has the following problems.
[0017]
When the client accesses the measurement target URL (measurement target web page) for the first time, the server distributes the measurement module 23a for response measurement to the client. However, the conventional measurement module 23a is multi-functional and has a large size, so that it can be used when the network line is thin (for example, a modem line with a low communication speed) or when the line is thick, the data amount is large. When the bandwidth is limited, there is a problem that the response time is remarkably reduced as compared with the case where the measurement module 23a is not downloaded, and it takes a long time to acquire the web page requested by the client.
[0018]
An object of the present invention is to solve the above-mentioned drawbacks of the prior art, and to access a management system, server, measurement server, and access management program capable of avoiding a significant decrease in response time by efficiently distributing a measurement module to clients. Is to provide.
[0019]
[Means for Solving the Problems]
In order to achieve the above object, an access management system according to the present invention provides an access management system for acquiring information related to access to a server by each client, wherein the server is provided for each access target in the server in each client. Whether to distribute a plurality of types of measurement modules that obtain the information of the types specified for each access to the server at the client when the access from each client is received with reference to the response time required for the access Whether or not is determined based on the response time for each access target.
[0020]
The access management system of the present invention according to claim 2 acquires the response time for each access target in the server in at least one of the measurement modules in the client to which the measurement module is distributed. A response time measurement module, and based on the response time for each access target acquired by the response time measurement module distributed to each client, the content of the response time for each access target referenced by the server It is characterized by updating.
[0021]
In the access management system of the present invention according to claim 3, the measurement server that collects each piece of information acquired by each measurement module at each client to which the measurement module is distributed is sent to the server. The content of the response time for each access target in the server is notified.
[0022]
The access management system of the present invention according to claim 4 is characterized in that the server restricts each measurement module distributed to each client to only the measurement modules not distributed to the client.
[0023]
The access management system of the present invention according to claim 5 is characterized in that when the server accepts access from each client, the response time measurement module is not distributed to the client when the response time measurement module is not distributed. It is distributed to the client.
[0024]
The access management system of the present invention according to claim 6 transmits the distribution of each measurement module to each client in association with the content of response to the access when accepting access from each client. It is characterized by performing by.
[0025]
The access management system of the present invention according to claim 7 is configured such that each access target is based on a comparison result between an average response time of the access by each client to each access target and a predetermined reference response time. Each time, the maximum number of the measurement modules to be distributed to the client by the server is determined in association with the response content to the access to the access target.
[0026]
In the access management system of the present invention according to claim 8, the server has a function of a web server, so that each client accepts access to each web page published by the server, and a request for transmission from each client. Each measurement module is distributed to each client by writing a code for distributing the measurement module to the client on the web page that has received the request and transmitting the code to the client.
[0027]
The access management system according to claim 9 of the present invention provides the response time of access to each web page published by the server of each client from the time when the client requests the server to transmit the web page. , And the time until the client finishes receiving the web page.
[0028]
The server of the present invention according to claim 10 is a server that accepts access from each client, wherein the client refers to a response time required for access to each access target in the server, Whether to distribute each measurement module to the clients when receiving access from each of the clients and a plurality of types of measurement modules that acquire the types of information determined for each access to the server. Means for determining based on the response time for each access target is provided, and each measurement module is distributed to each client.
[0029]
The server of the present invention according to claim 11 responds to at least one of the measurement modules to obtain a response time of access to each access target in the server in the client to which the measurement module is distributed. A time measurement module is provided.
[0030]
The server of the present invention according to claim 12 is recorded in the measurement server by communicating with the measurement server that collects each piece of information acquired in each client to which each measurement module is distributed. The access response time for each access target in the server of each client is referred to.
[0031]
According to a thirteenth aspect of the present invention, there is provided the server according to the present invention, further comprising means for restricting each measurement module distributed to each client to only the measurement modules not distributed to the client.
[0032]
The server according to the fourteenth aspect of the present invention distributes the response time measurement module to the client when the response time measurement module is not distributed to the client at the time of accepting access from each of the clients. It is characterized by that.
[0033]
The server of the present invention according to claim 15 distributes each measurement module to each client by transmitting the measurement module in association with response contents for the access when accepting access from each client. It is characterized by that.
[0034]
According to a sixteenth aspect of the present invention, there is provided the server according to the present invention, wherein the function of the web server includes means for accepting access to each web page published by the server by each client, and the web page accepting a transmission request from each client. A means for distributing each measurement module to each client by writing a code for distributing the measurement module to the client and transmitting the code to the client is provided.
[0035]
The measurement server according to the seventeenth aspect of the present invention is the measurement server that obtains information related to the access of the client from each client. The measurement server distributes the information of the type defined for each access related to the client. Means for collecting information acquired in the client as a distribution destination of the measurement module from a plurality of types of measurement modules to be acquired, and notifying the collected information to a designated server as an access destination of the client Means are provided.
[0036]
The measurement server of the present invention according to claim 18 has a response for acquiring a response time of access to each access target in the server in the client to which the measurement module is distributed in at least one of the measurement modules. A time measurement module is provided, and the contents of the access response time for each access target in the server of each client are notified to the server.
[0037]
The measurement server of the present invention according to claim 19 is based on a comparison result between an average value of response times of the accesses by the clients to the access targets in the server and a predetermined reference response time. For each access target in the server, the server includes means for determining a maximum number of the measurement modules to be distributed to the client in association with a response content to the access to the access target.
[0038]
The access management program of the present invention according to claim 20 controls the computer, and the server of the server that accepts access from each client, for each said client, for each of the types defined for each access to the server in the client In the access management program for controlling the distribution of a plurality of types of measurement modules for acquiring information, a function for referring to the response time of access for each access target in the server of each client, and reception of access from each client Sometimes, a function is provided for determining whether to distribute each measurement module to the client based on the response time for the access target.
[0039]
The access management program of the present invention according to claim 27 is an access management program for acquiring information relating to access of a client from each client by controlling a computer, and relating to access in each client distributed to each client. A function for collecting information acquired at the client to which the measurement module is distributed from a plurality of types of measurement modules for acquiring the types of information determined for each of the modules, and the collected information is stored in the access destination of each client. It is characterized by having a function of notifying a designated server.
[0040]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0041]
FIG. 1 is a block diagram showing the configuration of the access management system according to the first embodiment of the present invention. Referring to FIG. 1, the access management system according to the present embodiment includes clients 11 to 13, a web server 20, and a measurement server 30.
[0042]
Each client 11 to 13 is a terminal of a user who accesses a web page in the web server 20 that is a target for measuring response time and the like. In the example of FIG. 1, three clients 11 to 13 are shown. However, the number of clients is not limited to this, and generally increases gradually from several thousand to several tens of thousands.
[0043]
The web server 20 is realized by a program-controlled CPU or the like, and receives access from the clients 11 to 13. The web server 20 includes a web server processing unit 21 that publishes a web page, a module distribution determination unit 24 that determines distribution of a measurement module, and a content database 22. The content database 22 stores an HTML file 25 (web page) and CGI indicated by the URL, and each file of the measurement module 23 for distribution.
[0044]
Here, as shown in the examples of FIGS. 2 and 3, the measurement module 23 includes measurement modules M1 to M10 for each function, and is composed of 10 files, each of which is a distribution destination client. In 11 to 13, various information shown in FIG. 3 is acquired and notified to the measurement server 30.
[0045]
Hereinafter, the measurement module that acquires the response time of access to the access target HTML file 25 in the M1 web server 20 is referred to as a response time measurement module. Here, the response time is from the time when each client 11 to 13 requests the web server 20 to transmit the HTML file 25 (web page) until the requested client 11 to 13 finishes receiving the HTML file 25. Time.
[0046]
In the HTML file 25 pointed to by the response measurement target URL, the module distribution determination unit 24 is activated by a technique such as server-side include (SSI) or ASP, and an HTML sentence is dynamically created and stored in each HTML file 25. Write the tag to be inserted.
[0047]
The measurement server 30 is realized by a program-controlled CPU or the like, and collects various information related to access from each of the measurement modules M1 to M10 distributed to each client as shown in FIG. The measurement server 30 sets the number of distribution of the measurement modules M1 to M10 in the web server 20 and the measurement data collection unit 31 that collects various information related to access, the measurement data collection database 32 that stores the collected information. A standard value setting database 33 is provided. Further, a GUI unit 34 for an operation of setting the distribution specified value setting database 33 is provided.
[0048]
Next, the operation of the present embodiment will be described in detail with reference to FIGS. 4, 5, 6, 8, and 9. FIG. 9 is a flowchart illustrating the operation of the module distribution determination unit 24 according to the first embodiment of this invention.
[0049]
First, FIG. 4 will be used to describe the operation up to distribution of the response time measurement module M1 for measuring the response time between the client 11 and the web server 20 from the measurement modules (FIG. 2) divided into functional units. I will explain.
[0050]
In addition to the function of measuring the response time, the response time measurement module M1 also has a function of acquiring the IP address of the client 11 in order to specify who the measurement data is from.
[0051]
4 and 9, when the client 11 accesses a web page on the web server processing unit 21 (requests a URL) in step 101, the HTML file 25 of the URL accessed by the client 11 is stored in step 102. Written SSI (Server Side Include) or ASP (Active Server)
Pages) activates the module distribution determination unit 24.
[0052]
In step 103, the module distribution determining unit 24 searches the IP address in the measurement data collection database 32 in the measurement server 30 to confirm whether the client 11 has accessed in the past (step 501).
[0053]
If the measurement data from the client 11 is not in the measurement data collection database 32, the module distribution determination unit 24 determines that the client 11 is the first client to access the measurement target URL (step 502).
[0054]
Here, an example will be described in which it is determined in step 105 that the client 11 is the first access.
[0055]
In step 106, the module distribution determination unit 24 measures a response time on the client 11 and transmits a tag for the client 11 to download a response time measurement module M1 that is a measurement module that transmits the response time to the measurement server 30. The web server processing unit 21 transmits the HTML file 25 in which the tag for downloading the response time measurement module M1 is written to the client 11 (steps 503 and 510). In step 107, the client 11 analyzes the received HTML file 25 and finds a tag for downloading the response time measurement module M1 written in step 106.
[0056]
Since the response time measurement module M1 specified by the tag does not exist in the cache in the client 11, in step 109, the response time measurement module M1 is requested to the request destination in the web server 20 specified by the tag.
[0057]
In step 110, the web server processing unit 21 transmits the response time measurement module M1 for distribution stored in the content database 22 to the client 11, and the distribution of the response time measurement module M1 to the client 11 as described above. Is completed.
[0058]
Thereafter, when the client 11 accesses the measurement target URL of the web server 20 and acquires the HTML file 25 in steps 111 and 112, the distributed response time measurement module M1 acquires the HTML file 25. In step 114, measurement data indicating the measurement result is transmitted to the measurement server 30.
[0059]
Thereafter, every time the client 11 accesses the measurement target URL, the response time measurement module M1 operates on the client 11 to measure and measure the response time between the client 11 and the web server processing unit 21 for each access target. Response time measurement data is transmitted to the measurement data collection unit 31 of the server 30. In the measurement server 30, the response time and IP address of the client 11 are sequentially stored in the measurement data collection database 32.
[0060]
Next, FIG. 5 shows the operation of the module distribution determination unit 24 that determines at what timing the remaining measurement modules Mx (x = 2, 3,..., 10) other than the response time measurement module M1 are distributed to the client 11. This will be described with reference to FIGS. 6, 8, and 9.
[0061]
First, the measurement module distribution specified value will be described. The measurement module distribution specified value is whether or not the measurement modules M2 to M10 are distributed to the clients 11 to 13 for each response time of each measurement target URL (web page to be accessed) in the web server 20. This is a reference value used to determine The measurement module distribution specified value can be set by the user using the GUI unit 34, for example. The set measurement module distribution specified value is stored in the distribution specified value setting database 33.
[0062]
A specific example of setting the measurement module distribution specified value is shown in the table of FIG. In the specific example of FIG. 5, when the average response time of each web page is 5 seconds or more, the measurement module is not distributed even if the client accesses this web page. Distribute 1 for 3 seconds to less than 5 seconds, 2 for 2 seconds to less than 3 seconds, 3 for more than 1 second to less than 2 seconds, 5 for less than 1 second Then it is set. Further, the distribution default value can be arbitrarily set by the system administrator.
[0063]
Thus, based on the comparison result between the average response time of each web page and the reference response times of 1 second, 2 seconds, 3 seconds, and 5 seconds, the maximum number of measurement modules distributed to the clients on each web page Determine the number.
[0064]
Next, in order to facilitate the explanation, a description will be given using a graph showing the relationship between the measurement target URL from the data in the measurement data collection database 32 and the respective average response times.
[0065]
A graph of the average response time for each web page is shown in FIG. The vertical axis value in the graph of FIG. 6 is an average value of response times measured by the response time measurement module M1 and accumulated in the measurement data collection database 32 when the clients 11 to 13 access the measurement target URL. The total response time from 11 to 13 is divided by the total number of accesses. The horizontal axis indicates each file of each measurement target URL.
[0066]
FIG. 7 shows a table of the total response time (total response time) and the total number of accesses for each file in FIG.
[0067]
First, in steps 201 and 202, the module distribution determination unit 24 is activated in response to a URL request from the client 11 as in the flowchart of FIG.
[0068]
In step 203, the module distribution determination unit 24 determines from the measurement data collection database 32 which measurement module the client 11 already has. Since it is possible to determine how many measurement modules have been distributed by the number of data items transmitted from the client 11, the determination is made by referring to the measurement data collection database 32 of the measurement server 30 (step 504).
[0069]
If all the measurement data items sent from the client 11 are 10 items (when the total number of measurement modules is 10), it is determined that all the measurement modules have been distributed (“YES” in step 505). The process ends without doing anything, and no new tag is written in the requested HTML file 25.
[0070]
(If the number of measurement data items sent from the client 11 is less than 10 items, the total number of measurement modules is 10), it is determined which measurement module the client 11 does not have, and a measurement data collection database 32 (FIG. 6), the average response time for the requested HTML file 25 is calculated (from “NO” in step 505 to step 506).
[0071]
Then, in steps 206 and 207, the number of measurement modules to be distributed to the client 11 when the requested HTML file 25 is accessed is obtained from the distribution specified value setting database 33 (FIG. 5) (step 507). ~ Step 508).
[0072]
In order to easily explain the process of determining the number of measurement modules to be distributed, the specified value of FIG. 5 is written on the horizontal axis of the graph of FIG.
[0073]
Here, from the calculation of the average response time to the determination of the number of distributions (from step 506 to step 508) will be described using FIG. 6 and FIG.
[0074]
The value on the vertical axis of the graph of FIG. 6 is calculated when the average response time of each web page is calculated from the total response time and the total number of accesses for each web page in the measurement data collection database 32, and the measurement modules M2 and later are distributed. The standard.
[0075]
However, immediately after distribution of the response time measurement module M1, there is little data stored in the measurement data collection database 32, so an accurate average value cannot be calculated. In order to avoid this, an initial value is arbitrarily set. For example, the initial value is 1000.
[0076]
In this case, until the total number of accesses of each web page reaches 1000, two measurement modules are distributed to clients that have accessed the web page designated as the measurement target regardless of the average response time. When the total number of accesses of each web page reaches 1000, the number of measurement modules to be distributed to the client from the specified values (FIG. 5) set in the measurement data collection database 32 and the distribution specified value setting database 33 is thereafter determined. decide.
[0077]
In other words, in the case of FIG. 6, since the total number of accesses for Page1.html and Page2.html exceeds 1000, when the client accesses the Web page of Page1.html and Page2.html, the module distribution determination unit 24 displays the response time. The number of measurement modules to be distributed is determined based on the records, but since the total number of accesses for Page3.html, Page4.html, and Page5.html is less than 1000, clients 11 to 13 have Page3.html, Page4.html, When accessing the Web page of Page5.html, it is determined that two measurement modules will be distributed.
[0078]
After the determination by the module distribution determination unit 24, in step 208, a tag for indicating the measurement module determined by the module distribution determination unit 24 to each client 11 is written in HTML (steps 509 and 510). The HTML file 25 is transmitted to.
[0079]
In steps 209 to 212, the client 11 analyzes the received HTML file 25 and requests and receives the measurement module Mx specified in the tag in the same manner as when the response time measurement module M1 is distributed.
[0080]
As described above, in the initial stage of distribution of measurement modules to clients, X measurement modules are distributed for each access to the HTML file 25 (X is optional, in the above example, 2), and thereafter After reaching a certain number of clients and the number of accesses (in the above example, the number of accesses is 1000 times or more), the average of the respective HTML files 25 Response time The number of module distributions is determined in accordance with the measurement module distribution specified value set.
[0081]
Each time the number of clients increases to several thousand to several tens of thousands and the number of accesses to each HTML file 25 also increases in proportion to the number of clients, the response time for each HTML file 25 becomes a more accurate value. The value on the vertical axis always fluctuates, and it is possible to execute a well-balanced module distribution that does not significantly reduce the response time.
[0082]
Next, another embodiment of the present invention will be described.
[0083]
In the first embodiment, unlike the other measurement modules M2 to M10, the distribution of the response time measurement module M1 for measuring the response time is unconditionally first regardless of the response time of the web page to be accessed. However, the present invention is not limited to this, and the response time measurement module M1 is based on the response time of the web page to be accessed in the same manner as the other measurement modules M2 to M10. The distribution may be controlled. Also in this case, if the number of clients is increased to several thousand to several tens of thousands, a sufficient number of response time measurement modules M1 are distributed to each client, and accurate response time information can be obtained. Because.
[0084]
In the first embodiment, the server accessed by each client is the web server 20, but the present invention is not limited to this. For example, in a server that accepts access from a client, each measurement module is included in a response to access and sent back to the client, and this can be implemented in the same manner as in the case of the web page of the first embodiment.
[0085]
In the first embodiment, as illustrated in FIG. 1, the system in which the web server 20 and the measurement server 30 are separate devices has been described as an example. However, the web server 20 and the measurement server 30 are configured as a single device. The embodiment can be implemented in the same manner.
[0086]
Note that the access management system according to each of the embodiments described above realizes the functions of the module distribution determination unit 24 of the web server 20, the measurement data collection unit 31 of the measurement server 30, and other functions in hardware. As described above, the access management programs 90 and 91, which are computer programs having the respective functions, can be realized by being loaded into the memory of the computer processing apparatus. The access management programs 90 and 91 are stored in a magnetic disk, a semiconductor memory or other recording medium. Each function described above is realized by being loaded from the recording medium into the computer processing apparatus and controlling the operation of the computer processing apparatus.
[0087]
Although the present invention has been described with reference to the preferred embodiments and examples, the present invention is not necessarily limited to the above-described embodiments and examples, and various modifications can be made within the scope of the technical idea. Can be implemented.
[0088]
【The invention's effect】
As described above, according to the access management system, server, measurement server, and access management program of the present invention, the following effects are achieved.
[0089]
First, it is possible to reduce a decrease in response time that occurs when a measurement module is distributed to a client. The reason is that a measurement module is provided for each function, and the number of measurement modules distributed is controlled according to the past response time record of each access target (such as a web page) requested by the client. is there. Thereby, it is possible to efficiently distribute the measurement module little by little to the client as compared with the case where a large module is distributed at a time as in the conventional case.
[0090]
Secondly, by distributing the measurement module only when the access target with good response time (such as a web page) is accessed, the response time of each access target is averaged, and the response time is extremely poor. The occurrence of access can be reduced.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of an access management system according to a first embodiment of the present invention.
FIG. 2 is a diagram illustrating a specific example of a measurement module divided for each function according to the first embodiment of this invention.
FIG. 3 is a diagram illustrating a specific example of measurement items of a measurement module divided for each function according to the first embodiment of this invention;
FIG. 4 is a diagram illustrating a distribution process of the response time measurement module according to the first embodiment of this invention.
FIG. 5 is a diagram illustrating a specific example of setting a specified value for module distribution according to the first embodiment of this invention;
FIG. 6 is a diagram illustrating a specific example of an average response time calculated for each web page to be accessed according to the first embodiment of this invention.
FIG. 7 is a diagram illustrating a sum of response times and a total number of accesses for each web page to be accessed according to the first embodiment of this invention.
FIG. 8 is a diagram showing a distribution process of other measurement modules according to the first embodiment of the present invention;
FIG. 9 is a flowchart illustrating the operation of the module distribution determination unit according to the first embodiment of this invention.
FIG. 10 is a block diagram showing a configuration of a conventional end-to-end response measurement system.
FIG. 11 is a diagram showing a conventional end-to-end response measurement operation.
[Explanation of symbols]
11, 12, 13 clients
20 Web server
21 Web server processor
22 Database for contents
23 Measurement module
M1 to M10 Measurement modules for individual functions
24 Module distribution decision section
25 Web page in HTML
30 Measurement server
31 Measurement data collection unit
32 Measurement data collection database
33 Distribution default value setting database
34 GUI section for setting distribution defaults
90, 91 Access management program

Claims (26)

In an access management system that acquires information related to server access by each client,
The server is
A process for referring to a response time required for access to each access target in the server in each of the clients, and access to the server in the clients at the time of accepting access from each of the clients. Access management comprising a module distribution determination unit that executes a process of determining whether or not to distribute a plurality of types of measurement modules for acquiring types of information based on the response time for each access target system. The server is
The definitive client, provided with a processing unit that executes processing for distributing the measurement module comprises a response time measurement module for acquiring the response time to each access target each in the server to the client,
The module distribution determination unit
Processing for referring to the response time for each access target acquired by the response time measurement module distributed to the client, and whether or not to distribute other measurement modules to the client. The access management system according to claim 1, wherein a process for determining based on the response time for each access target acquired by a measurement module is executed . The module distribution determination unit of the server, each of said measuring module by being notified from the measurement server for collecting each of said information acquired in each of said client distribution destination of the measurement modules within the server of each said client The access management system according to claim 2, wherein the content of the response time for each access target is acquired . The said processing part of the said server performs the process which restrict | limits each said measurement module distributed to each said client only to the said measurement module which has not been distributed with respect to the said client. 3. The access management system according to 3. The module distribution determination unit of the server is notified from the measurement server that collects the information acquired by the measurement module at each of the clients to which the measurement module is distributed. Get the response time details for each access target,
The processing unit of the server is
Upon reception of access from the said client, said response time measurement module with respect to the client if it is not yet distributed, according to the response time measurement module to claim 2, characterized in that to distribute to the client Access management system. The server is
Distribution of each of the measurement modules to each of the clients is performed, and upon receipt of access from each of the clients, the measurement module that has not been distributed to the client is determined based on the response content to the access, and 6. The access management system according to claim 2 , wherein the measurement module is transmitted by transmitting the undistributed measurement module . The server is
A predetermined number of each measurement module is distributed to the clients, and after the number of accesses by each client to each access target reaches a predetermined access number, the response time of the access by each client to each access target Compare the average value of and the standard response time
Based on the comparison result, each said access subject on the basis of the response content for access to the access target to determine the measurement module not yet distributed to the client, to the client to distribute to the client The access management system according to claim 6, wherein a process for determining a distribution number of the measurement modules that have not been distributed is executed. Response contents for access to the access target for each access target based on the comparison result between the average response time of the access by each of the clients to each access target and a predetermined reference response time characterized in that to determine the measurement module not yet distributed to the client, the server executes a process of determining the maximum number of the measurement modules of the non-distributed to the clients to be distributed to the client based on the The access management system according to claim 6 or 7 . The server is
It has a web server function .
Accepting access to each web page published by the server by each client,
Each measurement module is distributed to each client by writing a code for distributing the measurement module to the client on the web page that has received a transmission request from each client and transmitting the code to the client. The access management system according to claim 8 , wherein a process is performed . The response time for access to each of said web page by the server of each said client publishes is, from the time when the client requests the transmission of the web page to the server, the client terminates the reception of the Web page 10. The access management system according to claim 9 , wherein the time is up to In the server that accepts access from each client,
In each of the clients, a process of referring to a response time required for accessing each access target in the server, and a plurality of types of information for acquiring the types of information determined for the access to the server in the client. A measurement module;
A module distribution determination unit that executes a process of determining whether to distribute each measurement module to the client based on the response time for each access target when receiving an access from each client;
Each of the measurement modules is distributed to each of the clients. The definitive client, provided with a processing unit that executes processing for distributing the measurement module comprises a response time measurement module for acquiring the response time to each access target each in the server to the client,
The module distribution determination unit
A process of referring to the response time of each access target acquired by the response time measuring module distributed to the client, whether to distribute other the measuring module to the client, the response time Execute the process of determining based on the response time for each access target that the measurement module acquires,
The server according to claim 11 , wherein the processing unit distributes the other measurement modules to the client . The module distribution determination unit
The response time of the access for each access target in the server of each client recorded in the measurement server that collects each piece of information acquired by each measurement module in each of the clients to which the measurement module is distributed. The server according to claim 12 , wherein the server is acquired . The processor is
14. The server according to claim 12 , wherein a process of limiting each measurement module distributed to each client to only the measurement modules not distributed to the client is executed . The access response time for each access target in the server of each client, recorded in the measurement server that collects each piece of information acquired by each measurement module in each client to which the measurement module is distributed. Get
The processor is
The measurement modules distributed to the clients are limited to the measurement modules that have not been distributed to the clients, and the response time measurement module is provided to the clients at the time of accepting access from the clients. The server according to claim 11 , wherein, when not distributed, processing for distributing the response time measurement module to the client is executed . Upon distribution of each measurement module to each client, upon receipt of access from each client, the measurement module that has not been distributed to the client is determined based on the response content to the access, and The server according to any one of claims 12 to 15 , wherein a process of transmitting the undistributed measurement module is executed . A predetermined number of each measurement module is distributed to the clients, and after the number of accesses by each client to each access target reaches a predetermined access number, the response time of the access by each client to each access target Compare the average value of and the standard response time
Based on the comparison result, each said access subject on the basis of the response content for access to the access target to determine the measurement module not yet distributed to the client, to the client to distribute to the client wherein the undistributed Te measuring module server of claim 16, wherein performing the process of determining the number distribution. Means for accepting access to each web page published by the server by each client by the function of the web server;
Each measurement module is distributed to each client by writing a code for distributing the measurement module to the client on the web page that has received a transmission request from each client and transmitting the code to the client. The server according to claim 16 or 17 , further comprising: Distribution of a plurality of types of measurement modules that acquire information of the types determined for each access to the server in the client for each client of the server that receives access from each client by controlling the computer In the access management program to control
A function for the access management program to refer to a response time of access for each access target in the server of the client to the server;
An access management program for executing a function of determining whether to distribute each measurement module to the client based on the response time with respect to the access target at the time of accepting access from each of the clients. To the server,
Definitive to the client, the ability to distribute the measurement module comprises a response time measurement module for acquiring the response time to each access target each in the server to the client,
A function for referring to the response time for each access target acquired by the response time measurement module distributed to the client ;
The function for determining whether or not to distribute the other measurement module to the client based on the response time for each access target acquired by the response time measurement module is executed. 19. An access management program according to 19. To the server,
The response time of the access for each access target in the server of each client recorded in the measurement server that collects each piece of information acquired by each measurement module in each of the clients to which the measurement module is distributed. 21. The access management program according to claim 20, wherein a function to be acquired is executed . To the server,
The access management program according to claim 20 or 21, wherein each measurement module distributed to each client is caused to execute a function of limiting only the measurement modules not distributed to the client. To the server,
The response time of the access for each access target in the server of each client recorded in the measurement server that collects each piece of information acquired by each measurement module in each of the clients to which the measurement module is distributed. The ability to get and
The measurement modules distributed to the clients are limited to the measurement modules that have not been distributed to the clients, and the response time measurement module is provided to the clients at the time of accepting access from the clients. The access management program according to claim 19, wherein when not distributed, a function of distributing the response time measurement module to the client is executed. To the server,
Upon distribution of each measurement module to each client, upon receipt of access from each client, the measurement module that has not been distributed to the client is determined based on the response content to the access, and The access management program according to any one of claims 20 to 23 , wherein a function of transmitting the undistributed measurement module is executed . To the server,
Each said measurement module to distribute a predetermined number to the client, after which the number of accesses by each of said clients to each of said access target has reached a predetermined number of accesses, the response of the access by each of said clients to each of said access Target A function for comparing the average value of time with a set reference response time;
Based on the comparison result, each said access subject on the basis of the response content for access to the access target to determine the measurement module not yet distributed to the client, to the client to distribute to the client access management program according to claim 24, characterized in that to execute a function of determining the number distribution of the measurement module of undelivered Te. To the server,
A function of a web server that accepts access to each web page published by the server by each of the clients;
Each measurement module is distributed to each client by writing a code for distributing the measurement module to the client on the web page that has received a transmission request from each client and transmitting the code to the client. 26. The access management program according to claim 24 or 25 , wherein the access management program is configured to execute a function to execute the function.

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