JP2017045361A - System construction support device and system construction support method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a system construction support device and system construction support method that enable a system to be constructed while reducing dependence on the experience and knowledge level of an operator who constructs the system.SOLUTION: A system construction support device 1 includes a knowledge storage unit 10 and an output unit 11. The knowledge storage unit 10 stores knowledge information pieces corresponding to components of system model information that is a system model. The output unit 11 selects one or more knowledge information pieces corresponding to differences between first system model information and second system model information from the knowledge information pieces which are stored in the knowledge storage unit 10, and outputs it.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a system construction support apparatus and system construction support method, and more particularly to a system construction support apparatus and system construction support method for outputting knowledge information.

Construction of a system based on a system model is known. When constructing such a system, the created system model is checked for problems in performance and configuration, and if there is a problem, the system model is corrected. In realizing a virtual environment, there is known a method for confirming whether the configuration of a created system model, the connection of devices, and the like operate according to an assumed condition before the system is constructed. For example, Non-Patent Document 1 discloses a technique of automatically executing a simulation and changing a system model so as to move according to conditions. Further, without using such a simulation technique, a system model may be confirmed and corrected by a person who is familiar with the creation of a system model and the realization of a virtual environment.
In constructing a system based on such a system model, a mechanism for assisting an operator's work is required.

In addition, there exists a technique described in patent documents 1-3 as a technique for assisting a worker's work, for example.
Patent Document 1 discloses a network configuration verification apparatus that compares a topology at the time of design with a topology after construction and outputs the result as a verification result.
Patent Document 2 describes a development support system that presents knowledge information related to keywords in order to improve the efficiency of development work by accurately presenting necessary information to development staff in various product development projects. Disclosure.
Patent Document 3 describes a process in which, in the repeated analysis process, when information different from information commonly used by everyone is obtained in the analysis, this information is accumulated as knowledge and can be searched by a keyword. A support device is disclosed.

JP 2008-182445 A JP 2004-341749 A JP 2004-62707 A

Sayaka Izukura, 4 others, "Performance and availability evaluation by system model-based SI support environment", IPSJ Research Report, IPSJ, November 2010

  As mentioned above, the system model can be confirmed and changes can be made to eliminate the problem. However, for example, when a change is made to the system model, it is impossible to comprehensively obtain information necessary for realizing the changed portion. Therefore, as a result, the realization of the system model becomes personal, and there is still a risk that a problem occurs in the operation of the completed system when a person who is not used to creating a virtual environment is realized. Regarding the problems peculiar to the system construction based on the system model, no solution is shown in the above prior art document.

  An object of the present invention is to solve such a problem, and is a system construction support capable of constructing a system by reducing dependence on the level of experience and knowledge of workers who construct the system. An apparatus and a system construction support method are provided.

  A system construction support apparatus according to an aspect of the present invention includes a knowledge storage unit that stores knowledge information corresponding to components constituting system model information that is a system model, first system model information, Output means for selecting and outputting one or more pieces of knowledge information corresponding to the difference from the system model information from the knowledge information stored in the knowledge storage means.

  The system construction support method according to one aspect of the present invention stores knowledge information corresponding to components constituting system model information which is a system model, and includes first system model information and second system model. This is a method of selecting and outputting one or more pieces of knowledge information corresponding to the difference from the information from stored knowledge information.

  According to the present invention, it is possible to provide a system construction support apparatus and a system construction support method capable of reducing the dependence on the experience and knowledge level of an operator who constructs a system and constructing the system.

It is a block diagram which shows the outline | summary of a structure of a system construction assistance apparatus. 1 is a block diagram showing details of a configuration of a system construction support apparatus according to a first exemplary embodiment. It is a schematic diagram which shows an example of the system model for design which is a system model before correction by the model correction part, and the system model for construction which is a system model after correction. It is a figure which shows an example of the information memorize | stored in the knowledge memory | storage part. It is a figure which shows an example of the information memorize | stored in the knowledge memory | storage part. It is a figure which shows an example of the information memorize | stored in the knowledge memory | storage part. It is a flowchart which shows an example of the whole operation | movement of a system construction assistance apparatus. It is a flowchart which shows an example of the specific operation | movement of step 20 shown by FIG. It is a flowchart which shows an example of the specific operation | movement of step 30 shown by FIG. FIG. 6 is a block diagram showing details of a configuration of a system construction support apparatus according to a second exemplary embodiment. It is a figure which shows an example of the information memorize | stored in the software knowledge memory | storage part.

<Outline of Embodiment of the Present Invention>
Prior to the description of the embodiment, an outline of the embodiment according to the present invention will be described. FIG. 1 is a block diagram illustrating an outline of a configuration of a system construction support apparatus 1 according to the embodiment. The system construction support device 1 includes a knowledge storage unit 10 and an output unit 11 as shown in FIG.

  The knowledge storage unit 10 stores knowledge information corresponding to components that constitute system model information that is a model of the system. The knowledge storage unit 10 is a knowledge base, and specifically is a database that stores knowledge information used when a system is constructed from system model information. The knowledge storage unit 10 stores, for example, knowledge information that is information from a human viewpoint that is difficult to generate mechanically, such as know-how obtained from human experience in the construction of a virtual environment.

The output unit 11 selects and outputs one or more pieces of knowledge information corresponding to the difference between the first system model information and the second system model information from the knowledge information stored in the knowledge storage unit 10. For example, the output unit 11 outputs knowledge information that is a search result retrieved from the knowledge information stored in the knowledge storage unit 10 based on the difference between the first system model information and the second system model information. To do. Note that the second system model information is information obtained by correcting the first system model information, for example. In this case, the output unit 11 outputs knowledge information related to the change from the first system model information to the second system model information. Thereby, the worker who constructs the system can acquire knowledge that can be used when constructing the system based on the second system model. In particular, the worker can obtain knowledge about points to be noted that occur with changes in the system model.
For this reason, regardless of the level of experience and knowledge of the worker, the worker can perform construction work after recognizing information that should be noted. Therefore, according to the system construction support apparatus 1, it is possible to construct a system without largely depending on the experience and knowledge level of the worker who constructs the system. That is, by using knowledge, the experience and knowledge of the construction worker can be compensated, so that the personality in the realization of the system model is reduced, and related work can be performed more easily.

<Embodiment 1>
The first embodiment will be described below.
FIG. 2 is a block diagram illustrating details of the configuration of the system construction support apparatus 2 according to the first embodiment. As illustrated in FIG. 2, the system construction support apparatus 2 according to the first embodiment includes a model correction unit 20, a difference analysis unit 21, a knowledge storage unit 22, a search unit 23, and an output unit 24. ing.

  The model correction unit 20 predicts the performance of the system defined by the design system model information 51 and corrects the design system model information 51 into the construction system model information 52 so as to be equal to or higher than a predetermined performance. The performance includes not only performance such as processing speed but also availability, reliability, safety, maintainability, maintainability, confidentiality, and the like.

Here, the design system model information 51 corresponds to the first system model information, is information that defines a system model as a design drawing, and is information described in a predetermined modeling language. The system model for design is, for example, a system model prepared to perform user-specific processing in a cloud environment (a model that roughly defines the configuration of individual components to implement business processing on a virtualized system) However, it is not limited to this.
The construction system model information 52 corresponds to the second system model information, and there is a problem (such as room for improvement) in the operation or cost in the system performance prediction result defined by the design system model information 51. Information indicating the system model in which the problem is changed. The construction system model information 52 is also information described in a predetermined modeling language, like the design system model model information. The system model description method is not limited to a specific description method. For example, the description method described in Non-Patent Document 1 may be employed.

  In the present embodiment, the system model information includes four types of information including structural information, processing information, allocation information, and property information as components constituting the system model information. Hereinafter, each information will be described with reference to FIG. FIG. 3 is a schematic diagram illustrating an example of a design system model that is a system model before correction by the model correction unit 20 and a construction system model that is a system model after correction.

  The structure information is information indicating a connection relationship between devices constituting the system. That is, the structure information represents, for example, the type of device, the number of devices, the network configuration, and the like. The device is an element constituting the system, such as a server or a router. In the design system model of the example shown in FIG. 3, information that there are three servers and information that they are connected via a network correspond to structure information. In the structural system model of the example shown in FIG. 3, information that one server and one load balancer (LB) are further added corresponds to the structural information.

  The process information is information indicating a process executed by the system. Specifically, the processing information is information indicating what kind of request is accepted by the system and what kind of processing is performed. In other words, the processing information is information indicating the behavior of each flow in the system, such as what kind of data is handled and what kind of work is performed. For example, in the example shown in FIG. 3, a request from a client is received via the Internet, processing is performed referring to information from a database (DB) and an application in response to the request, and the processing result is sent to the client. Information indicating the processing content, such as returning, corresponds to the processing information.

  The allocation information is information indicating the role of the device constituting the system in the system. More specifically, the allocation information is information that clarifies the role of the device by associating the devices constituting the system with the processes executed in the system. In other words, the assignment is information that defines the operation of each device by associating the devices constituting the system with the processing contents. In the example shown in FIG. 3, a system model is represented as a general Web three-layer model, and each device is assigned a role as a Web server, an AP (application) server, and a DB server. Information about allocation corresponds to allocation information.

  The property information is information indicating the setting contents of the devices constituting the system. For example, in the case of a server, setting contents such as the number of cores of a CPU (Central Processing Unit), the amount of memory, software used, and the like correspond to property information about the server. In addition, about the software used, OS (Operating System) used is also contained. As described above, the property information includes software information that identifies software to be executed on the device.

  Upon receiving the design system model information 51 including the above-described information, the model correction unit 20 predicts the performance of the design system model, and generates a construction system model according to the prediction result. For example, as described in Non-Patent Document 1, the model correction unit 20 corrects the system model as follows.

  The model correction unit 20 performs a simulation under the specified conditions, and when a problematic part is detected, the parameter relating to the problematic part in the system model is reset and the simulation is performed again. The model correction unit 20 includes a repository for a system model whose operation has already been evaluated. If there is a problem with the structure of the system model itself, the model correction unit 20 also resets the structure itself with reference to the repository. Then, the model correction unit 20 repeats the simulation and resetting until a system model that realizes the expected function is obtained, and outputs the finally obtained system model as a construction system model in which no problem is detected.

  In general, the validity of a system model definition can only be confirmed after the system model definition has been converted into a definition that matches the system infrastructure, the environment has been actually built, and the operation of the built system has been tested. It is difficult to judge. However, according to the model correction unit 20, it is possible to confirm whether the resource is sufficient and whether the specification is appropriate for the application without actually performing such a thing. As a result, it is possible to omit operations such as an operation test after provisioning and backtracking that occurs when the environment is not valid. In addition, if less resource performance can be acquired, an operating environment can be easily provisioned at a lower cost.

In the example illustrated in FIG. 3, the model correction unit 20 outputs the system model information 52 for construction as follows, for example.
First, the model correction unit 20 receives the design system model information 51 representing the design system model shown in FIG. 3 as an input, and performs simulation to determine whether there is no problem with the configuration of the system model as designed. Run. In the example shown in FIG. 3, as a result of this simulation, the AP server is in a high load state, and a problem in performance is diagnosed. On the other hand, the model correction unit 20 detects problematic points such as the system model configuration and device properties, and resets the parameters. In the example illustrated in FIG. 3, the model correction unit 20 corrects the load to be distributed by increasing the number of AP servers. The model correcting unit 20 performs simulation again on the corrected system model. And the problem that the distribution for load distribution cannot be performed is discovered. For this reason, the model correction unit 20 adds a load balancer (LB) to the system model. The model correction unit 20 performs simulation again on the system model to which the LB is added, and as a result, confirms that the system operates without any problem, and outputs this as a system model for construction.
Note that, when changing the system model, the model correction unit 20 corrects the information to be changed among the structure information, processing information, allocation information, and property information so as to include information indicating the change purpose.

  However, the model correction unit 20 merely evaluates the validity of the system model by simulation, and the validity of the constructed system is left to the construction worker in the stage of actually constructing the system on a virtual environment or the like. End up. This eliminates the risk of a system that does not meet the desired quality due to lack of knowledge and know-how, even if the system model itself is valid, if the construction worker is not familiar with system construction. I can't do it. In the present embodiment, knowledge that can be used at the time of system construction as shown below, in order to reduce such risks and to construct a system of a desired quality regardless of the ability of the construction worker. Present.

  The difference analysis unit 21 extracts the difference between the input system models. The difference analysis unit 21 receives the first system model information and the second system model information obtained by correcting the first system model information. The difference analysis unit 21 extracts a difference between the input first system model information and the input second system model information. Thereby, the change point at the time of changing from the first system model to the second system model is extracted. Specifically, the difference analysis unit 21 extracts a difference between the design system model information 51 input to the model correction unit 20 and the construction system model information 52 output from the model correction unit 20. Moreover, the difference analysis part 21 outputs the result of having analyzed the extracted difference as a file. In the present embodiment, the difference analysis unit 21 extracts differences regarding the above-described four pieces of information included in the system model information.

  That is, the difference analysis unit 21 extracts a difference between the structure information included in the design system model information 51 and the structure information included in the construction system model information 52. For example, in the example illustrated in FIG. 3, the construction system model is changed such that one AP server connected in parallel with the existing AP server is added. The added AP server is a server having performance equivalent to that of an AP server that already exists in the design system model. Further, the construction system model realizes parallel processing by assigning requests arriving at the Web server to two AP servers, so that one load balancer is added between the Web server and the AP server. Changes have been made. The difference analysis unit 21 extracts such changes as difference information about the structure information.

  Further, the difference analysis unit 21 extracts a difference between the processing information included in the design system model information 51 and the processing information included in the construction system model information 52. For example, in the example illustrated in FIG. 3, the processing information of the construction system model information 52 is “in response to the received request processing” because the AP server is added compared to the processing information of the design system model information 51. One place in the system model is added which behaves as "Cooperating with database and application". In addition, one place is added in the system model that behaves as “a check allocation and operation check is performed between two places in the system model where the cooperative processing is performed”. The difference analysis unit 21 extracts such a change in behavior as difference information about the processing information.

  Further, the difference analysis unit 21 extracts a difference between the allocation information included in the design system model information 51 and the allocation information included in the construction system model information 52. Further, the difference analysis unit 21 extracts a difference between the property information included in the design system model information 51 and the property information included in the construction system model information 52.

  Note that FIG. 3 shows an example in which a change such as an AP server that increases resources is performed. However, the system construction support apparatus 2 may output knowledge in response to a change that decreases resources. In the case where the number of DB servers is two in the design system model, the number is reduced to one in the system model for construction, and in the case of centralized management by this one DB server, the difference between both system models is The following information is extracted:

In this example, due to the modification of the design system model, a change in which the number of DB servers is reduced from two to one occurs, and a change in physical connection also occurs accordingly. These changes are obtained as structural information differences.
Further, since the DB server is changed from the two configuration to the single configuration, it is assumed that the availability and reliability required for the single DB server are also increased. In this case, a difference occurs in information such as the amount of resources provided in the server to meet this request. This difference is obtained as a difference in property information.
In addition, the number of locations having the function of “execute data storage and reference” is reduced by one in the system model, and “synchronize between DB servers” is set in a configuration having a plurality of DB servers. This process becomes unnecessary. Therefore, such a processing change is obtained as a difference in processing information.
In the system model for construction, a role that the DB server performs centralized management is added, and this addition is obtained as a difference of allocation information.

  When the difference analysis unit 21 extracts the difference, the difference analysis unit 21 analyzes the extracted difference, and specifies the difference type, the resource that is the difference target, the role of the resource that is the difference target in the system, and the change purpose. The difference type indicates which information among the information included in the system model information is the difference, and the change purpose is a change purpose when the component of the system model information is changed. . In addition, when the software to be used is changed in the resource, the difference analysis unit 21 further specifies information for identifying the software before the change and information for identifying the software after the change. Examples of the specified resource include network devices such as servers, load balancers, and routers.

The difference analysis unit 21 identifies the difference type by determining which information the extracted difference is for. Moreover, the difference analysis part 21 specifies the resource used as the object of difference by referring structural information. Further, the difference analysis unit 21 identifies the role of the resource that is the target of the difference by referring to the allocation information. Further, the difference analysis unit 21 acquires the change purpose described in the information in which the difference has occurred among the structure information, processing information, allocation information, and property information included in the system model information.
The difference analysis unit 21 outputs the analysis result file to the search unit 23.

  Based on the difference extracted by the difference analysis unit 21, the search unit 23 uses the knowledge information stored in the knowledge storage unit 22 as knowledge information used when actually constructing a system from the system model information 52 for construction. Search from inside. Thereby, the search unit 23 searches for knowledge information related to the change from the system model information for design (first system model information) to the system model information for construction (second system model information). Specifically, the search unit 23 generates a search key for searching the knowledge corresponding to the analysis result from the knowledge storage unit 22 from the analysis result by the difference analysis unit 21. Then, the search unit 23 performs a search using the generated search key. In the present embodiment, the search unit 23 performs a search using at least the change purpose extracted by the difference analysis unit 21 as a search key. A specific example of the generated search key will be described later.

  In the present embodiment, the search unit 23 searches for knowledge related to changes in structure information, searches for knowledge related to changes in processing information, and searches for knowledge related to changes in property information, and searches for knowledge related to changes in allocation information. Do not search. This is because a change only in association between the devices constituting the system and the processing executed in the system does not directly affect the system model realization work. However, the search unit 23 may search for knowledge related to the change in the allocation information.

  According to the example of FIG. 3, for example, the search unit 23 is configured to operate the system when a change is made to add a load balancer and an AP server as knowledge related to the change in the structure information, a setting method thereof, and the like. Extract knowledge. In addition, for example, as the knowledge about the change in the processing information, the search unit 23 extracts knowledge about settings for causing the device to execute processing as a load balancer or AP server, and points to be noted when setting. In addition, the search unit 23, for example, as knowledge related to changes in property information, how the construction system model implementation method and settings change due to changes in resource amount, software, etc., and what precautions are there. Extract knowledge. Furthermore, when there is a software change in the property information, the search unit 23 extracts knowledge that summarizes the characteristics of each type of software before and after the change and what points are different due to the change. .

  The knowledge storage unit 22 is a knowledge base, and is a database that stores knowledge information used when a system is constructed from system model information. As shown in FIGS. 4A, 4B, and 4C, the knowledge storage unit 22 stores, for example, knowledge related to the construction of the virtual environment from the system model information. Specifically, for example, knowledge about changes in structure information, knowledge about changes in processing information, and knowledge about changes in property information are stored. Note that the knowledge storage unit 22 may store not only these knowledges but also knowledge regarding changes in the allocation information. The knowledge stored in the knowledge storage unit 22 includes, for example, a change in construction method and operation method caused by a change in the system model, a countermeasure for the change, a cautionary point in construction, and the like.

  Each knowledge information stored in the knowledge storage unit 22 has unique identification information called “knowledge ID” as a main key. Each knowledge information has “resource”, “role”, “purpose of change”, “software before change”, “software after change”, “difference type”, and “knowledge” as attributes. The correspondence between these attributes and the information specified by the difference analysis unit 21 is as follows.

The “resource” corresponds to the resource that is specified by the difference analysis unit 21 and that is the target of the difference. The “role” corresponds to the role in the system of the resource that is the target of the difference specified by the difference analysis unit 21. “Change purpose” corresponds to the change purpose specified by the difference analysis unit 21. “Software before change” corresponds to information for identifying software before change specified by the difference analysis unit 21. “Changed software” corresponds to information for identifying the changed software specified by the difference analysis unit 21. The “difference type” corresponds to the difference type specified by the difference analysis unit 21. “Knowledge” is information indicating points to be used when actually constructing a system.
The knowledge storage unit 22 returns a search result according to the search key generated by the search unit 23.

  The output unit 24 outputs the knowledge information searched by the search unit 23. The output unit 24 outputs a display to a display device such as a display, for example.

  Next, the operation of the system construction support apparatus 2 will be described with reference to FIGS. FIG. 5 is a flowchart illustrating an example of the overall operation of the system construction support apparatus 2.

  In step 10 (S10), the model correction unit 20 corrects the design system model information 51 to generate construction system model information 52.

  In step 20 (S20), the difference analysis unit 21 extracts the difference between the system model information before and after the correction. That is, the difference analysis unit 21 extracts a difference between the design system model information 51 input to the model correction unit 20 and the construction system model information 52 output from the model correction unit 20. FIG. 6 is a flowchart showing an example of a specific operation of step 20 shown in FIG. Hereinafter, the specific operation of step 20 will be described with reference to FIG.

  In step 201 (S201), the difference analysis unit 21 reads design system model information 51. In step 202 (S202), the difference analysis unit 21 reads the construction system model information 52 output from the model correction unit 20.

  In step 203 (S203), the difference analysis unit 21 compares structural information among the four types of information included in the system model information. That is, the difference analysis unit 21 compares the structure information included in the design system model information 51 with the structure information included in the construction system model information 52. Specifically, the difference analysis unit 21 checks an increase / decrease in the description content of the structure information in the system model information. In step 204 (S204), it is determined whether there is a difference in the structure information. If it is determined in step 204 that there is a difference, the process proceeds to step 205. In this case, it means that a physical change such as system connection or structure has been added. If it is determined in step 204 that there is no difference, the process proceeds to step 206. In step 205 (S205), the difference analysis unit 21 stores the difference obtained by the comparison as a difference in structure information.

  Next, in step 206 (S206), the difference analysis unit 21 compares the property information defined by the system model information. That is, the difference analysis unit 21 compares the property information included in the design system model information 51 with the property information included in the construction system model information 52. Specifically, the difference analysis unit 21 checks whether there is a change in the setting content such as the amount of resource of the device. In step 207 (S207), it is determined whether there is a difference in property information. If it is determined in step 207 that there is a difference, the process proceeds to step 208. In this case, it means that the specification or setting of each device has been changed. If it is determined in step 207 that there is no difference, the process proceeds to step 209. In step 208 (S208), the difference analysis unit 21 stores the difference obtained by the comparison as a difference in property information.

  Next, in step 209 (S209), the difference analysis unit 21 compares the processing information defined in the system model information. That is, the difference analysis unit 21 compares the processing information included in the design system model information 51 with the processing information included in the construction system model information 52. Specifically, the difference analysis unit 21 checks whether there is a change in the process executed by the system. In step 210 (S210), it is determined whether there is a difference in the processing information. If it is determined in step 210 that there is a difference, the process proceeds to step 211. In this case, even if the input / output when the system is viewed as a black box is the same, the configuration of the partial behavior of the contents of the system is changed. If it is determined in step 210 that there is no difference, the process proceeds to step 212. In step 211 (S211), the difference analysis unit 21 stores the difference obtained by the comparison as the difference of the processing information.

  Next, in step 212 (S212), the difference analysis unit 21 compares the allocation information defined in the system model information. That is, the difference analysis unit 21 compares the allocation information included in the design system model information 51 with the allocation information included in the construction system model information 52. In this embodiment, the knowledge about the change of assignment is not searched. However, since the assignment information is information that links the structure information and the processing information, the difference in the operation of the entire system is grasped or the purpose of change is specified. The difference is extracted. In step 213 (S213), it is determined whether there is a difference in the allocation information. If it is determined in step 213 that there is a difference, the process proceeds to step 214. If it is determined in step 213 that there is no difference, the difference extraction process ends. In step 214 (S214), the difference analysis unit 21 stores the difference obtained by the comparison as a difference of allocation information. After step 214, the process proceeds to step 30 shown in FIG.

Returning to FIG. 5, the description of the overall operation of the system construction support apparatus 2 will be continued.
In step 30, the difference analysis unit 21 analyzes the difference obtained in step 20. FIG. 7 is a flowchart showing an example of a specific operation in step 30 shown in FIG. Hereinafter, the specific operation of step 30 will be described with reference to FIG.

The difference analysis unit 21 analyzes the difference obtained in step 20. Specifically, the following processing is performed for each difference obtained in step 20.
In step 301 (S301), the difference analysis unit 21 determines whether or not the difference obtained in step 20 is a difference regarding the structure information. If the difference is a difference for the structural information, the process proceeds to step 302; otherwise, the process proceeds to step 303. In step 302 (S302), the difference analysis unit 21 determines the difference type as “structure change”.

  In step 303 (S303), the difference analysis unit 21 determines whether or not the difference obtained in step 20 is a difference for the property information software. If the difference is for software, the process moves to step 304; otherwise, the process moves to step 306. In step 304 (S304), the difference analysis unit 21 determines the difference type as “SW (software) change”. Further, after step 304, in step 305 (S305), the difference analysis unit 21 acquires the pre-change software and the post-change software.

  In step 306 (S306), the difference analysis unit 21 determines whether the difference obtained in step 20 is a difference for property information. If the difference is a difference for the property information, that is, if the difference is a difference other than the software among the differences for the property information, the process proceeds to step 307; otherwise, the process proceeds to step 308. In step 307 (S307), the difference analysis unit 21 determines the difference type as “change property”.

  In step 308 (S308), the difference analysis unit 21 determines whether or not the difference obtained in step 20 is a difference regarding processing information. If the difference is a difference for the processing information, the process proceeds to step 309; otherwise, the analysis process ends. In step 309 (S309), the difference analysis unit 21 determines the difference type as “process change”. In the present embodiment, knowledge regarding the change in the allocation information is not searched. Therefore, it is not determined whether or not the difference obtained in step 20 is a difference for the allocation information. In the case of searching for knowledge related to the change in, determination may be made as in steps 301, 303, 306, and 308. When it is determined that the difference is a difference for the allocation information, the difference analysis unit 21 may determine the difference type as “allocation change”.

After steps 302, 305, 307, and 309, the process proceeds to step 310.
In step 310 (S310), for the difference obtained in step 20, the difference analysis unit 21 identifies the resource that is the difference target, the role of the resource that is the difference target in the system, and the change purpose. . After step 310, the analysis process ends.

Returning to FIG. 5, the description of the overall operation of the system construction support apparatus 2 will be continued.
After step 30, in step 40 (S40), the search unit 23 generates a search key for each difference extracted in step 20, based on the analysis result of the difference analysis unit 21 in step 30. That is, the search unit 23 performs an AND search according to the difference type, the resource that is the target of the difference, the role of the resource that is the target of the difference in the system, and the purpose of the change specified by the analysis in step 30. Create a key like Specifically, when the difference type is other than “SW change”, a key is generated as follows: search key = difference type * resource * role * purpose of change. When the difference type is “SW change”, a key is generated such as: search key = difference type * resource * role * role * purpose of change * pre-change software * post-change software.

  The reason for using such a search key is to extract and present more appropriate knowledge. Even in the same change to the system model, if any one of the elements of the search key is different, the know-how and the cautions used are different, so it is better to provide them separately. For example, if the change is to add one AP server, different knowledge is provided depending on the purpose of the change. Specifically, in the knowledge with the knowledge ID 1 shown in FIG. 4A and the knowledge with the knowledge ID 2, the difference type, resource, and role are the same, but the change purpose is different (one is load balancing, the other is Is redundant), the knowledge presented is also different as shown in FIG. 4A. As described above, since the knowledge used for realizing the purpose for each event of adding a server having the same role is different, the change purpose is used as a search key. The same applies to resources, roles, and the like. By searching for different knowledge based on these differences, the construction worker can perform work with more accurate knowledge.

  In step 50 (S50), the search unit 23 performs a search in the knowledge storage unit 22 using the search key generated in step 40.

  Finally, in step 60 (S60), the output unit 24 outputs the knowledge information searched in step 50.

The first embodiment has been described above. According to the system construction support apparatus 2 according to the first embodiment, it is possible to automatically extract knowledge relating to the change of the system model from a knowledge base that widely covers knowledge about system construction such as a virtual environment. For this reason, it is possible to construct a system of a desired quality regardless of the level of experience and knowledge of the operator who constructs the system. Hereinafter, such an effect will be described supplementarily.
Even if the performance of the system model is evaluated by simulation, etc., and the system model is modified to an appropriate one, it is referred to during construction work, such as changes to the implementation method and points to note when setting the system model. I couldn't figure out the items (used). For this reason, since it is necessary for the worker to solve these matters independently, the operation and operation of the realized environment depend on the knowledge level of the worker.
In particular, it is difficult for a person who is not familiar with the construction of the virtual environment to accurately analyze the cause of the difference between before and after the correction by the model correction unit 20 and the countermeasure against the difference. This is because, even if the structure information of the system model of the prediction result is the same, the knowledge referred (used) at the time of construction differs depending on the purpose of changing the system model.
However, in the present embodiment, by using the knowledge base, anyone can easily construct a system with a desired quality regardless of the level of knowledge regarding the construction of the worker.

<Embodiment 2>
Next, the system construction support apparatus 3 according to the second embodiment will be described.
In the system construction support apparatus 2 according to the first embodiment, the knowledge related to the software change is stored in the knowledge storage unit 22 for each combination of software before and after the change. However, since there are so many software products in the market and will continue to increase in the future, it is not easy to increase the knowledge of the knowledge storage unit 22 to accommodate new software. Therefore, in the present embodiment, a knowledge base for storing knowledge information about software for each software is separately provided and managed separately from the knowledge stored in the knowledge storage unit 22.

  FIG. 8 is a block diagram showing details of the configuration of the system construction support apparatus 3 according to the second embodiment. As shown in FIG. 8, the system construction support apparatus 3 according to the second embodiment is different from the system construction support apparatus 2 according to the first embodiment in that a software knowledge storage unit 30 is added. Hereinafter, the system construction support device 3 will be described focusing on differences from the system construction support device 2.

  The software knowledge storage unit 30 is a database that stores knowledge information about software for each software.

  FIG. 9 is a diagram illustrating an example of information stored in the software knowledge storage unit 30. The information stored in the software knowledge storage unit 30 has the following attributes. The information stored in the software knowledge storage unit 30 has a software ID (SWID) as a primary key as an element for uniquely identifying software. The information stored in the software knowledge storage unit 30 has the software product name as the software name. Further, the information stored in the software knowledge storage unit 30 has a requirement required for the system base to operate the software as an operation requirement. And the information memorize | stored in the software knowledge memory | storage part 30 has a knowledge including the information regarding the characteristic peculiar to software, and the usage method when using software as a software knowledge (SW knowledge) alone.

Further, unlike the knowledge storage 22 according to the first embodiment, the knowledge storage unit 22 according to the present embodiment stores knowledge information other than knowledge information about software.
Therefore, the search unit 23 according to the present embodiment, based on the difference extracted by the difference analysis unit 21, knowledge information stored in the knowledge storage unit 22 and knowledge information stored in the software knowledge storage unit 30. And get.

  More specifically, the search unit 23 performs a search in the software knowledge storage unit 30 in addition to a search in the knowledge storage unit 22 at the time of searching for knowledge relating to the software change, and information about the software before the change and the change Get information about later software. In the present embodiment, when acquiring information from the software knowledge storage unit 30, the database of the knowledge storage unit 22 is acquired by referring to the software knowledge storage unit 30. Other methods may be used to acquire the information.

  The output unit 24 displays not only the information obtained from the knowledge storage unit 22 but also the information about the software before the change and the information about the software after the change so that they can be compared. As described above, the system construction support device 3 combines the information obtained from the knowledge storage unit 22 and the information obtained from the software knowledge storage unit 30 to provide detailed knowledge regarding the difference.

In this embodiment, since knowledge about software is managed by a software knowledge storage unit 30 different from the knowledge storage unit 22, the management cost of software information in the operation of the system construction support apparatus 3 is as follows. Can be suppressed.
Since software products increase day by day, the combination of pre-change software and post-change software increases as they operate. Therefore, in the system construction support apparatus 2 according to the first embodiment, the information in the knowledge storage unit 22 is enormous. Further, since knowledge information related to software is repeatedly described in the knowledge storage unit 22 according to the first exemplary embodiment, the knowledge stored in the knowledge storage unit 22 when the software product information is changed is stored. You may scrutinize it one by one and reflect this change if necessary. For this reason, in the system construction support apparatus 2 according to the first embodiment, it is desired to reduce the management cost related to software information. However, in the present embodiment, software information is separately managed by the software knowledge storage unit 30 separately. Thereby, since the same software information is not redundantly stored as separate data in the knowledge storage unit 22, it is not necessary to repeatedly input the same software information when changing the software information, thereby reducing the management cost. Can do. In addition, management costs associated with changes in the software product market can be suppressed.

  Note that the present invention is not limited to the above-described embodiment, and can be changed as appropriate without departing from the spirit of the present invention. For example, in the above embodiment, the model correction unit 20 is provided, but the system construction support devices 2 and 3 do not necessarily have the model correction unit 20. The difference analysis unit 21 only needs to input the first system model information and the second system model information obtained by correcting the first system model information. It may be modified by a person.

  The system construction support apparatus has a function as a computer, and each configuration of the system construction support apparatus can be realized by executing a program by the CPU.

  The program may be stored using various types of non-transitory computer readable media and supplied to a computer. Non-transitory computer readable media include various types of tangible storage media. Examples of non-transitory computer-readable media include magnetic recording media (for example, flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (for example, magneto-optical disks), CD-ROMs (Read Only Memory), CD-Rs, CD-R / W and semiconductor memory (for example, mask ROM, PROM (Programmable ROM), EPROM (Erasable PROM), flash ROM, RAM (random access memory)) are included. The program may also be supplied to the computer by various types of transitory computer readable media. Examples of transitory computer readable media include electrical signals, optical signals, and electromagnetic waves. The temporary computer-readable medium can supply the program to the computer via a wired communication path such as an electric wire and an optical fiber, or a wireless communication path.

Further, for example, part or all of the above-described embodiment can be described as in the following supplementary notes, but is not limited thereto.
(Appendix 1)
Knowledge storage means for storing knowledge information corresponding to components constituting system model information which is a model of the system;
System construction support comprising: output means for selecting and outputting one or more pieces of knowledge information corresponding to the difference between the first system model information and the second system model information from the knowledge information stored in the knowledge storage means apparatus.
(Appendix 2)
The system construction support apparatus according to claim 1, wherein the output unit outputs one or more pieces of knowledge information corresponding to a change purpose when the component of the difference and the system model information is changed.
(Appendix 3)
Difference analysis means for extracting a difference between the first system model information and the second system model information;
Search means for searching knowledge information used in constructing a system from the second system model information from knowledge information stored in the knowledge storage means based on the difference extracted by the difference analysis means; ,
Further comprising
The system construction support apparatus according to attachment 1 or 2, wherein the output unit outputs the knowledge information searched by the search unit.
(Appendix 4)
The system model information includes structural information indicating a connection relationship between devices constituting the system,
The system construction support apparatus according to claim 3, wherein the difference analysis unit extracts a difference between the structure information included in the first system model information and the structure information included in the second system model information.
(Appendix 5)
The system model information includes processing information indicating processing executed by the system,
The system construction support according to appendix 3 or 4, wherein the difference analysis unit extracts a difference between the processing information included in the first system model information and the processing information included in the second system model information. apparatus.
(Appendix 6)
The system model information includes assignment information indicating a role in a system of devices constituting the system,
The difference analysis unit extracts a difference between the allocation information included in the first system model information and the allocation information included in the second system model information. System construction support device.
(Appendix 7)
The system model information includes property information indicating setting contents of devices constituting the system,
The difference analysis unit extracts a difference between the property information included in the first system model information and the property information included in the second system model information. System construction support device.
(Appendix 8)
The system construction support apparatus according to appendix 7, wherein the property information includes software information that identifies software executed by the device.
(Appendix 9)
Each software further includes software knowledge storage means for storing knowledge information about the software,
The knowledge storage means stores knowledge information other than knowledge information about software,
The search unit obtains knowledge information stored in the knowledge storage unit and knowledge information stored in the software knowledge storage unit based on the difference extracted by the difference analysis unit. System construction support device.
(Appendix 10)
The system construction support apparatus according to any one of appendices 3 to 9, wherein the search unit performs a search using at least the change purpose extracted by the difference analysis unit as a search key.
(Appendix 11)
The system further includes a model correcting unit that predicts the performance of the system defined by the first system model information and corrects the first system model information to the second system model information so as to be equal to or higher than a predetermined performance. The system construction support apparatus according to any one of appendices 1 to 10.
(Appendix 12)
Stores knowledge information corresponding to components that constitute system model information that is a model of the system,
A system construction support method for selecting and outputting one or more pieces of knowledge information corresponding to a difference between first system model information and second system model information from stored knowledge information.
(Appendix 13)
A knowledge storage step of storing knowledge information corresponding to the components constituting the system model information which is a model of the system in a database;
A program for causing a computer to execute an output step of selecting and outputting one or more pieces of knowledge information corresponding to a difference between the first system model information and the second system model information from the knowledge information stored in the database.

1, 2, 3 System construction support apparatus 21 Difference analysis section 10, 22 Knowledge storage section 23 Search section 11, 24 Output section 20 Model correction section 30 Software knowledge storage section 51 System model information for design 52 System model information for construction

Claims (10)

Knowledge storage means for storing knowledge information corresponding to components constituting system model information which is a model of the system;
System construction support comprising: output means for selecting and outputting one or more pieces of knowledge information corresponding to the difference between the first system model information and the second system model information from the knowledge information stored in the knowledge storage means apparatus. The system construction support apparatus according to claim 1, wherein the output unit outputs one or more pieces of knowledge information corresponding to a change purpose when the component of the difference and the system model information is changed. Difference analysis means for extracting a difference between the first system model information and the second system model information;
Search means for searching knowledge information used in constructing a system from the second system model information from knowledge information stored in the knowledge storage means based on the difference extracted by the difference analysis means; ,
Further comprising
The system construction support apparatus according to claim 1, wherein the output unit outputs the knowledge information searched by the search unit. The system model information includes structural information indicating a connection relationship between devices constituting the system,
The system construction support apparatus according to claim 3, wherein the difference analysis unit extracts a difference between the structure information included in the first system model information and the structure information included in the second system model information. . The system model information includes processing information indicating processing executed by the system,
The system construction according to claim 3 or 4, wherein the difference analysis unit extracts a difference between the processing information included in the first system model information and the processing information included in the second system model information. Support device. The system model information includes property information indicating setting contents of devices constituting the system,
6. The difference analysis unit extracts a difference between the property information included in the first system model information and the property information included in the second system model information. 6. The system construction support apparatus described. The system construction support apparatus according to claim 6, wherein the property information includes software information that identifies software executed by the device. Each software further includes software knowledge storage means for storing knowledge information about the software,
The knowledge storage means stores knowledge information other than knowledge information about software,
The said search means acquires the knowledge information memorize | stored in the said knowledge memory | storage means and the knowledge information memorize | stored in the said software knowledge memory | storage means based on the difference extracted by the said difference analysis means. System construction support device. The system further includes a model correcting unit that predicts the performance of the system defined by the first system model information and corrects the first system model information to the second system model information so as to be equal to or higher than a predetermined performance. The system construction support device according to any one of claims 1 to 8. Stores knowledge information corresponding to components that constitute system model information that is a model of the system,
A system construction support method for selecting and outputting one or more pieces of knowledge information corresponding to a difference between first system model information and second system model information from stored knowledge information.

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