KR102449107B1 - Appratus and method for providing bulletin board service - Google Patents

Abstract

An apparatus and method for providing a bulletin board service are disclosed. A bulletin board service providing method according to an embodiment includes an operation of receiving a request from a client for at least one of a plurality of functions provided through a bulletin board service of a plurality of versions, and a bulletin board service corresponding to the request of the client. Based on the version of , selects one of Monolithic Architecture and Micro services architecture for providing bulletin board services, and performs an operation corresponding to the client's request based on the selected architecture include actions to

Description

Device and method for providing bulletin board service {APPRATUS AND METHOD FOR PROVIDING BULLETIN BOARD SERVICE}

The disclosed embodiments relate to a technology for providing a bulletin board service.

Today, as the social atmosphere in which various people express their opinions is rising, it is not difficult to see mature discussions by exchanging opinions in various fields such as culture, economy, politics, and society.

These discussions take place not only in reality, but also on the web or application that is free from time and space constraints. It is a bulletin board service.

In order to provide a bulletin board service, it is necessary to manage a large number of data transmitted and received between multiple clients and servers. was providing service.

However, the single API-based architecture has limitations in that it is costly to add new functions instead of being stable, and it is difficult for clients to freely utilize the data in the bulletin board.

Accordingly, a plurality of layered API-based architectures are devised to overcome the conventional limitations, but in this case, there is a problem in that it cannot properly respond to clients who want to use the bulletin board service through the conventional single API-based architecture.

Republic of Korea Patent Publication No. 10-2019-0132573 (published on November 27, 2019)

The disclosed embodiments are intended to provide both a legacy version and a latest version of the bulletin board service to a client.

A bulletin board service providing method according to an embodiment of the present disclosure includes an operation of receiving a request from a client for at least one of a plurality of functions provided through a bulletin board service of a plurality of versions, and responding to the request of the client On the basis of the version of the bulletin board service being Includes actions to perform tasks.

In the selection operation, when the version of the bulletin board service corresponding to the client's request is a legacy version earlier than the preset version, the monolithic architecture is selected, and the version of the bulletin board service corresponding to the client's request is set in advance. For later versions, you can choose a microservices architecture.

The selection operation may be performed in a gateway layer including one or more application programming interfaces (APIs).

The monolithic architecture may be a single layer architecture including at least one API based on a relational database (RDB).

The microservices architecture includes: a first layer including one or more high-level APIs divided by one or more logics for performing a task; and a second layer including one or more low-level APIs divided by one or more detailed logics obtained by dividing each of one or more logics.

The one or more logics may include preset business logic corresponding to at least one of a plurality of functions provided through the bulletin board service.

The one or more detailed logic may execute one or more queries to access a database related to data processing for implementing at least one of a plurality of functions provided through the bulletin board service.

In the bulletin board service providing method according to an additional embodiment, when the version of the bulletin board service supported by the client is a legacy version earlier than the preset version, while the version of the bulletin board service corresponding to the client's request is a version after the preset version, The operation of identifying the client's request transmitted by calling the legacy version of the API as being transmitted by calling the API of the version after the preset version and converting the version of the response generated as a result of performing the operation into the legacy version. can do.

A bulletin board service providing apparatus according to an embodiment of the present disclosure includes one or more processors and a memory for storing one or more programs configured to be executed by one or more processors, wherein the programs include a plurality of versions of the bulletin board. A monolithic architecture for providing a bulletin board service based on an operation of receiving a client's request for at least one of a plurality of functions provided through the service and a version of the bulletin board service corresponding to the client's request Architecture) and microservices, and instructions for executing an operation of performing an operation corresponding to a request of a client based on an operation of selecting one of the architectures and the selected architecture.

In the selection operation, when the version of the bulletin board service corresponding to the client's request is a legacy version earlier than the preset version, the monolithic architecture is selected, and the version of the bulletin board service corresponding to the client's request is set in advance. For later versions, you can choose a microservices architecture.

The selection operation may be performed in a gateway layer including one or more application programming interfaces (APIs).

The monolithic architecture may be a single layer architecture including at least one API based on a relational database (RDB).

A microservices architecture includes a first layer including one or more high-level APIs divided by one or more logics for performing a task, and one or more divided by one or more detailed logics that are each divided by one or more logics. It may include a second layer including a low level API.

The one or more logics may include preset business logic corresponding to at least one of a plurality of functions provided through the bulletin board service.

The one or more detailed logic may execute one or more queries to access a database related to data processing for implementing at least one of a plurality of functions provided through the bulletin board service.

In the bulletin board service providing apparatus according to an additional embodiment, when the version of the bulletin board service supported by the client is a legacy version earlier than the preset version, whereas the version of the bulletin board service corresponding to the client's request is a version after the preset version, Execute an operation of identifying a client request sent by calling a legacy version of the API as being transmitted by calling an API of a version after a preset version and converting a version of a response generated as a result of performing the operation into a legacy version It may further include instructions for.

According to the disclosed embodiments, by selecting an architecture for providing a bulletin board service according to a version of the bulletin board service corresponding to a client's request, not only the latest version of the bulletin board service but also the legacy version of the bulletin board service can also be provided.

Also, according to the disclosed embodiments, when a bulletin board service is provided based on a microservice architecture, a process according to a client's request is performed using logic and detailed logic in several layers of an application programming interface (API). By performing as a unit, it is possible to easily provide a new function of the bulletin board service to the client and to allow the client to freely utilize the data in the bulletin board.

1 is an exemplary diagram illustrating a bulletin board service screen provided according to an embodiment;
2 is a block diagram illustrating and explaining a computing environment including a computing device according to an embodiment;
3 is a flowchart illustrating a method for providing a bulletin board service according to an embodiment;
4 is a flowchart illustrating in detail a method of selecting an architecture according to an embodiment;
5 is a flowchart illustrating a method of providing a bulletin board service according to an additional embodiment;
6 is an exemplary diagram illustrating a bulletin board service provision process according to an embodiment;

Hereinafter, specific embodiments will be described with reference to the drawings. The following detailed description is provided to provide a comprehensive understanding of the methods, apparatus, and/or systems described herein. However, this is merely an example and the disclosed embodiments are not limited thereto.

In describing the embodiments, if it is determined that a detailed description of a related known technology may unnecessarily obscure the gist of the disclosed embodiments, the detailed description thereof will be omitted. And, the terms to be described later are terms defined in consideration of functions in the disclosed embodiments, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the content throughout this specification. The terminology used in the detailed description is for the purpose of describing the embodiments only, and should in no way be limiting. Unless explicitly used otherwise, expressions in the singular include the meaning of the plural. In this description, expressions such as “comprising” or “comprising” are intended to indicate certain features, numbers, steps, acts, elements, some or a combination thereof, one or more other than those described. It should not be construed to exclude the presence or possibility of other features, numbers, steps, acts, elements, or any part or combination thereof.

In the following embodiments, 'Bulletin Board Service' is a series of providing posts, comments, or related contents written by users who use bulletin board services, operators providing bulletin board services, etc. means the service of

1 is an exemplary diagram illustrating a bulletin board service screen 100 provided according to an embodiment.

In FIG. 1 , a bulletin board service provided in the 'Server' tab on the web page for the game 'Lineage' is illustrated as an example.

Referring to FIG. 1, in the 'My Server Server Keeper & Latest Articles' column on the left side of the central part, there is a list of the currently set server keepers ('Grandpas next door') of our server ('Deporoju') and the latest articles contributed by the server keepers. are exposed On the other hand, in the 'All Server Keepers Latest Articles' column on the right side of the center part, a list of the latest articles contributed by each server manager of all Lineage servers is exposed.

In addition, in the lower part of FIG. 1 , the title of the post written by the clients playing the game on each server, the picture attached display, the number of likes, the number of comments, etc. are exposed in the form of a list.

As such, in one embodiment, the server providing the bulletin board service provides a function related to the title of a post, a picture attachment display, a number of likes, a number of comments, etc., a function related to the latest article written recently, a function related to the server keeper of each server, etc. can be provided to the client.

In other words, the bulletin board service according to an embodiment may be a service related to posts, comments, or related content itself written by a user who uses the bulletin board service or an operator providing the bulletin board service, and includes information and information newly created by processing it. It may be a related service.

2 is a block diagram illustrating and describing a computing environment 10 including a computing device according to an embodiment.

In the illustrated embodiment, each component may have different functions and capabilities other than those described below, and may include additional components in addition to those described below.

The illustrated computing environment 10 includes a computing device 12 . In one embodiment, the computing device 12 may be a bulletin board service providing device. Computing device 12 includes at least one processor 14 , computer readable storage medium 16 , and communication bus 18 . The processor 14 may cause the computing device 12 to operate in accordance with the exemplary embodiments discussed above. For example, the processor 14 may execute one or more programs stored in the computer-readable storage medium 16 . The one or more programs may include one or more computer-executable instructions that, when executed by the processor 14, configure the computing device 12 to perform operations in accordance with the exemplary embodiment. can be

Computer-readable storage medium 16 is configured to store computer-executable instructions or program code, program data, and/or other suitable form of information. The program 20 stored in the computer readable storage medium 16 includes a set of instructions executable by the processor 14 . In one embodiment, computer-readable storage medium 16 includes memory (volatile memory, such as random access memory, non-volatile memory, or a suitable combination thereof), one or more magnetic disk storage devices, optical disk storage devices, flash It may be memory devices, other forms of storage medium that can be accessed by computing device 12 and store desired information, or a suitable combination thereof.

Communication bus 18 interconnects various other components of computing device 12 , including processor 14 and computer readable storage medium 16 .

Computing device 12 may also include one or more input/output interfaces 22 and one or more network communication interfaces 26 that provide interfaces for one or more input/output devices 24 . The input/output interface 22 and the network communication interface 26 are coupled to the communication bus 18 . Input/output device 24 may be coupled to other components of computing device 12 via input/output interface 22 . Exemplary input/output device 24 may include a pointing device (such as a mouse or trackpad), a keyboard, a touch input device (such as a touchpad or touchscreen), a voice or sound input device, various types of sensor devices, and/or imaging devices. input devices and/or output devices such as display devices, printers, speakers and/or network cards. The exemplary input/output device 24 may be included in the computing device 12 as a component constituting the computing device 12 , and may be connected to the computing device 12 as a separate device distinct from the computing device 12 . may be

3 is a flowchart illustrating a method for providing a bulletin board service according to an embodiment.

The method illustrated in FIG. 3 may be performed, for example, by the computing device 12 described above.

First, the computing device 12 receives a request from a client for at least one of a plurality of functions provided through a bulletin board service of a plurality of versions ( 310 ).

Then, the computing device 12 selects one of a monolithic architecture and a micro services architecture for providing a bulletin board service, based on the version of the bulletin board service corresponding to the request of the client. (320).

In fact, among various requests from numerous clients, there may be a request for a relatively old version of the bulletin board service, and conversely, there may also be a request for the latest version of the bulletin board service. However, since the architecture for providing the bulletin board service may be modified in the process of updating the version of the bulletin board service, it is necessary to provide the bulletin board service by selecting one of the previously implemented architectures as described above.

In the following embodiments, 'monolithic architecture' means an integrated architecture of one service or application. Specifically, the monolithic architecture has a characteristic that internal components are strongly coupled to each other, so that when a service or application is updated, the whole must be updated at the same time.

Meanwhile, in the following embodiments, the 'microservice architecture' refers to an architecture that provides services by decomposing complex and diverse software functions into small, independent, and loosely coupled modules. Specifically, the microservice architecture has the characteristic that modules are combined for each bounded context.

According to an embodiment, the computing device 12 may perform the above-described selecting operation 320 in a gateway layer including one or more application programming interfaces (APIs).

In the following embodiments, 'API' refers to an interface made to control a function provided by an operating system or a programming language to be used by an application. Specifically, the API provides an interface for file control, window control, image processing, character control, and the like, but is not limited thereto.

Meanwhile, in the following embodiments, the 'gateway layer' refers to a network point serving as an entrance to another network from one network, and specifically, the network space in which the process according to the client's request is performed is located on the client side. It means a point that is switched to the architecture side for providing bulletin board service.

In this case, the communication network may include the Internet, one or more local area networks, wire area networks, cellular networks, mobile networks, other types of networks, or a combination of these networks. .

According to an embodiment, the monolithic architecture may be a single-layer architecture including one or more relational database (RDB)-based APIs.

In the following embodiments, the 'relational database' refers to a database that stores a relationship between a key and data values in the form of a table.

According to one embodiment, the microservices architecture includes a first layer including one or more high-level APIs divided by one or more logics for performing a task corresponding to a request of a client, and one or more logics, respectively. A second layer including one or more low-level APIs divided by one or more divided detailed logic may be included.

Hereinafter, 'logic' means subdividing the entire process for performing a client's request into one or more detailed processes.

According to an embodiment, the one or more logics may include preset business logic corresponding to at least one of a plurality of functions provided through the bulletin board service.

In the following embodiments, 'business logic' refers to a part of an application that performs data processing necessary for business, and specifically refers to logic for performing input, modification, inquiry and report processing of various data. .

For example, the business logic may include "logic to increment the number of comments by 1 when a comment is written on a post", "logic to display a written post in 'My post list' when a post is written", etc. In addition, logic related to various functions provided through the bulletin board service may be included.

In the following embodiments, 'high-level API' means an API corresponding to each of one or more logics, and specifically, an API that indirectly accesses a database (DB) according to one or more logics within a microservice architecture. it means. To this end, each high-level API may call an API corresponding to each of one or more detailed logics on the second layer.

In the following embodiments, the 'low-level API' refers to an API corresponding to each of one or more detailed logics, and specifically refers to an API that directly accesses a database according to one or more detailed logics within a microservice architecture. To this end, each low-level API can access the database according to the corresponding detailed logic and perform input, modification, inquiry, report processing, etc. on data that meets preset conditions.

According to an embodiment, the one or more detailed logic may execute one or more queries to access a database related to data processing for implementing at least one of a plurality of functions provided through the bulletin board service.

In the following embodiments, 'query' refers to a set of languages or sentences for manipulating data of a desired condition in a database. Such a query may be expressed in various forms, for example, in the form of calling a method accessing a database.

Specifically, a database accessed by one or more queries may include one or more Not only Structured Query Language (NoSQL)-based databases.

In the following embodiments, the 'NoSQL-based database' refers to a relational database (RDB) based on a structured query language (SQL) as well as a database not based on SQL. The NoSQL-based database may include, for example, Apache Cassandra, MongoDB, Apache HBase, and the like, but is not necessarily limited thereto.

That is, the computing device 12 according to an embodiment provides the bulletin board service by accessing the NoSQL-based database, thereby having the following comparative advantage over the bulletin board service provided using the conventional relational database. However, this is only an example, and it is obvious that additional comparative advantage factors may exist.

(1) Performance improvement when multiple clients read and write data at the same time

(2) The database can be used even if a part of the database management system fails

(3) Ease of horizontal scale-out of database equipment to cope with increase in data traffic (traffic)

(4) No need for Objective Relational Mapping (ORM) framework as it includes data of various structures

Thereafter, the computing device 12 performs a task corresponding to the request of the client based on the selected architecture ( 330 ).

Thereafter, according to an embodiment, the computing device 12 may generate a response to the client's request based on the result of performing the task.

Specifically, the response to the client's request may include at least one of reading, writing, modifying, and deleting data corresponding to the client's request, but is not limited thereto and corresponds to the functions provided through the bulletin board service. It is self-evident that various responses may be generated.

Then, according to an embodiment, the computing device 12 may transmit a response to the client's request to the client.

According to an embodiment, when the computing device 12 selects the microservice architecture and processes the client's request, the second layer, the first layer, and the gateway layer are used to process the client's request in the reverse order from when the request is processed. You can send a response to

In the illustrated flowchart, the operation is divided into a plurality of operations, but at least some of the operations are performed in a different order, are performed in combination with other operations, are omitted, are divided into detailed operations, or are not shown. One or more operations may be added and performed.

4 is a flowchart for describing in detail a method of selecting an architecture according to an embodiment.

The method illustrated in FIG. 4 may be performed, for example, by the computing device 12 described above.

First, the computing device 12 identifies the version of the bulletin board service corresponding to the request of the client ( 410 ).

Thereafter, the computing device 12 compares the identified version of the bulletin board service with a preset version ( 420 ).

Thereafter, when the identified version of the bulletin board service is a legacy version earlier than the preset version, the computing device 12 selects a monolithic architecture as an architecture for providing the bulletin board service ( 430 ).

In the following embodiments, 'legacy' refers to a concept term referring to relatively old technology, methodologies, computer systems, software, and the like.

Meanwhile, when the identified version of the bulletin board service is a version after the preset version, the computing device 12 selects a microservice architecture as an architecture for providing the bulletin board service ( 440 ).

In the illustrated flowchart, the operation is divided into a plurality of operations, but at least some of the operations are performed in a different order, are performed in combination with other operations, are omitted, are divided into detailed operations, or are not shown. One or more operations may be added and performed.

5 is a flowchart illustrating a method for providing a bulletin board service according to an additional embodiment.

The method illustrated in FIG. 5 may be performed, for example, by the computing device 12 described above.

First, the computing device 12 receives a request from a client for at least one of a plurality of functions provided through a plurality of versions of the bulletin board service ( 310 ).

Thereafter, the computing device 12 determines whether the version of the bulletin board service supported by the client is a legacy version earlier than the preset version, and whether the version of the bulletin board service corresponding to the client's request is a version after the preset version ( 510 ).

Thereafter, when it is determined that the version of the bulletin board service supported by the client is a legacy version earlier than the preset version, and the version of the bulletin board service corresponding to the client's request is a version after the preset version, the computing device 12 returns the legacy version The request of the client, transmitted by calling the API of , is identified as being transmitted by calling the API of the version after the preset version ( 520 ).

Thereafter, the computing device 12 selects one of a monolithic architecture and a microservices architecture for providing the bulletin board service based on the version of the bulletin board service corresponding to the client's request ( 320 ).

Thereafter, the computing device 12 performs a task corresponding to the request of the client based on the selected architecture ( 330 ).

Thereafter, the computing device 12 converts the version of the response generated as a result of performing the task corresponding to the request of the client into the legacy version ( 530 ).

Thereafter, according to one embodiment, the computing device 12 may transmit the translated version of the response to the client.

For example, when a client supporting the legacy version of the bulletin board service requests the latest version of the bulletin board service, the computing device 12 performs an operation corresponding to the request based on the microservice architecture, and the result of the operation based on the response to the request. In this case, the version of the generated response may be the latest version, but since this is not a version supported by the client, the computing device 12 converts the generated response into a legacy version and transmits it to the client.

According to an embodiment, the computer device 12 may perform at least one of the above-described operations 510, 520, and 530 in the gateway layer.

On the other hand, when it is determined that the version of the bulletin board service supported by the client does not correspond to the legacy version or the version of the bulletin board service corresponding to the client's request does not correspond to a version after the preset version, the computing device 12 The bulletin board service is provided by performing only operations 320 and 330 described above in FIG. 3 without performing operations 520 and 530 described above.

In the illustrated flowchart, the operation is divided into a plurality of operations, but at least some of the operations are performed in a different order, are performed in combination with other operations, are omitted, are divided into detailed operations, or are not shown. One or more operations may be added and performed.

6 is an exemplary diagram illustrating a bulletin board service providing process 600 according to an embodiment.

As shown, the request and provision of the bulletin board service according to an embodiment go through the gateway layer 620 , the monolithic architecture 630 and the database 640 from the client 610 , or the gateway from the client 610 . This is done through a layer 620 , a microservices architecture 650 , and a database 660 .

In FIG. 6 , there are K clients 610 (in this case, K is a natural number greater than or equal to 3), N APIs of the first layer 651 (in this case, N is a natural number greater than or equal to 3), and APIs of the second layer 653 are Although it is illustrated as being M (in this case, M is a natural number greater than N), this is for convenience of description and the number of clients 610, the number of APIs in the first layer 651, and the number of APIs in the second layer 653 may be changed according to the embodiment.

Referring to FIG. 6 , a total of K clients 610 from client #1 to client #K may request at least one function provided through the bulletin board service by calling the API of the gateway layer 620 , respectively.

Next, the gateway layer 620 may identify a version of the bulletin board service corresponding to the client's request and compare it with a preset version.

As a result, when the version of the identified bulletin board service is the legacy version, the API of the gateway layer 620 uses one or more APIs in the monolithic architecture 630 to provide the bulletin board service of the legacy version according to the request of each client. can be called

Subsequently, each API of the monolithic architecture 630 may access the database 640 related to data processing for implementing the legacy version of the bulletin board service, and generate a response to the client's request.

In this case, the database 640 to be accessed may include one or more Structured Query Language (SQL)-based relational databases.

On the other hand, when the identified version of the bulletin board service is a version after the preset version (hereinafter, referred to as a 'new version'), the API of the gateway layer 620 provides a new version of the bulletin board service according to the request of each client. In order to do this, a total of N high-level APIs divided for each logic from API #1 to API #N included in the first layer 651 in the microservice architecture 650 may be called.

Then, each API of the first layer 651 is divided by each detailed logic from API #1 to API #M included in the second layer 653, based on one or more logics according to the process, for a total of M low-level APIs. can be called

In the illustrated embodiment, API #1 of the first layer 651 has one detailed logic dependent on the logic in charge, and calls API #2 of the second layer 653 in charge of the detailed logic, Since API #2 of the first layer 651 has two detailed logics dependent on the corresponding logic, API #1 and API #M of the second layer 653 responsible for the two detailed logics are called.

Then, each API of the second layer 653 performs each detailed logic, accesses the database 660 related to data processing for implementing the bulletin board service, and responds to the request of the client based on the execution result of the detailed logic response can be generated.

In this case, the database 660 to be accessed may include one or more NoSQL-based databases.

In the illustrated embodiment, each of the components may have different functions and capabilities other than those described below, and may include additional components in addition to those described below.

Further, in one embodiment, gateway layer 620, monolithic architecture 630, and microservices architecture 650 are implemented using one or more physically separate devices, or one or more processors or one or more processors and software. may be implemented by a combination of , and may not be clearly distinguished in specific operation unlike the illustrated example.

Meanwhile, an embodiment of the present invention may include a program for performing the methods described in this specification on a computer, and a computer-readable recording medium including the program. The computer-readable recording medium may include program instructions, local data files, local data structures, etc. alone or in combination. The medium may be specially designed and configured for the present invention, or may be commonly used in the field of computer software. Examples of computer-readable recording media include hard disks, magnetic media such as floppy disks and magnetic tapes, optical recording media such as CD-ROMs and DVDs, and program instructions specially configured to store and execute program instructions such as ROMs, RAMs, flash memories, and the like. Hardware devices are included. Examples of the program may include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like.

Although representative embodiments of the present invention have been described in detail above, those of ordinary skill in the art to which the present invention pertains will understand that various modifications are possible within the limits without departing from the scope of the present invention with respect to the above-described embodiments. . Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims described below as well as the claims and equivalents.

10: Computing Environment
12: computing device
14: Processor
16: computer readable storage medium
18: communication bus
20: Program
22: input/output interface
24: input/output device
26: network communication interface

Claims (16)

In the bulletin board service providing method performed by the bulletin board service providing device,
receiving a request from a client for at least one of a plurality of functions provided through a bulletin board service of a plurality of versions;
selecting one of a monolithic architecture and a micro services architecture for providing a bulletin board service based on the version of the bulletin board service corresponding to the request of the client; and
Based on the selected architecture, comprising the operation of performing a task corresponding to the request of the client,
The selection operation is
If the version of the bulletin board service corresponding to the client's request is a legacy version earlier than the preset version, selecting the monolithic architecture,
and selecting the microservice architecture when the version of the bulletin board service corresponding to the client's request is a version after the preset version. delete The method according to claim 1,
The selection operation is
A method of providing a bulletin board service, which is made in a gateway layer including one or more application programming interfaces (APIs). The method according to claim 1,
The monolithic architecture is
A method of providing a bulletin board service, which is a single-layer architecture that includes one or more APIs based on a relational database (RDB). The method according to claim 1,
The microservices architecture is
a first layer including one or more high-level APIs divided by one or more logics for performing the task; and
and a second layer including one or more low-level APIs divided by one or more detailed logics obtained by dividing each of the one or more logics. 6. The method of claim 5,
The one or more logic is
and a predetermined business logic corresponding to at least one of a plurality of functions provided through the bulletin board service. 6. The method of claim 5,
The one or more detailed logic is
and executing one or more queries to access a database related to data processing for implementing at least one of a plurality of functions provided through the bulletin board service. The method according to claim 1,
When the version of the bulletin board service supported by the client is a legacy version earlier than the preset version, while the version of the bulletin board service corresponding to the client's request is a version after the preset version,
identifying the request of the client, transmitted by calling the legacy version of the API, as being transmitted by calling the API of a version after the preset version; and
and converting a version of a response generated as a result of performing the task into the legacy version. one or more processors; and
an apparatus comprising a memory storing one or more programs configured to be executed by the one or more processors,
The program is
receiving a request from a client for at least one of a plurality of functions provided through a bulletin board service of a plurality of versions;
selecting one of a monolithic architecture and a micro services architecture for providing a bulletin board service based on the version of the bulletin board service corresponding to the request of the client; and
Based on the selected architecture, comprising instructions for executing an operation to perform a task corresponding to the request of the client,
The selection operation is
If the version of the bulletin board service corresponding to the client's request is a legacy version earlier than the preset version, selecting the monolithic architecture,
and selecting the microservice architecture when the version of the bulletin board service corresponding to the client's request is a version after the preset version. delete 10. The method of claim 9,
The selection operation is
A bulletin board service providing device made in a gateway layer including one or more application programming interfaces (APIs). 10. The method of claim 9,
The monolithic architecture is
A bulletin board service providing device that is a single-layer architecture that includes one or more APIs based on a relational database (RDB). 10. The method of claim 9,
The microservices architecture is
a first layer including one or more high-level APIs divided by one or more logics for performing the task; and
and a second layer including one or more low-level APIs divided by one or more detailed logics obtained by dividing each of the one or more logics. 14. The method of claim 13,
The one or more logic is
and a preset business logic corresponding to at least one of a plurality of functions provided through the bulletin board service. 14. The method of claim 13,
The one or more detailed logic is
and executing one or more queries to access a database related to data processing for implementing at least one of a plurality of functions provided through the bulletin board service. 10. The method of claim 9,
When the version of the bulletin board service supported by the client is a legacy version earlier than the preset version, while the version of the bulletin board service corresponding to the client's request is a version after the preset version,
identifying the request of the client, transmitted by calling the legacy version of the API, as being transmitted by calling the API of a version after the preset version; and
and instructions for executing an operation of converting a version of a response generated as a result of performing the task into the legacy version.

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