• Journal of Korea Multimedia Society
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• v.9 no.1
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• pp.101-108
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• 2006

Developing a network game that is serviced on the internet requires a lot of work, time and manpower. Therefore, it is important to design a game in such a way so that existing design codes could be used. The database for the multi-player network game is accessed from many clients. To manage the resource effectively, it is required to design the APIs to be minimized the database access and to be dealt with the related data efficiently. For this, it is needed to apply the object-oriented design for the related software modules. In the paper, we propose the design patterns of GoF to implement the APIs thatis needed to deal with the database resource. The database design through the analysis of some game's GUI has the advantage to create the optimized schema set more quickly, because it minimize the review step and the modification step of the database design generally. In addition, we apply to the design patterns of GoF for the APIs design of the server-side database. These reduce the times of the program call between the game server and the database server. These also make easily the maintenance for the already developed APIs, and it makes easily the addition of new APIs.

• Journal of Korea Game Society
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• v.1 no.1
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• pp.31-36
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• 2001

Generally, the internet online game systems are divided into two parts, clients and servers. The clients provide a connection with game server to each user and communicate between them. And, the server controls all clients by the game rules fairly and manages database systems to maintain the user information. In this paper, we propose a configuration method for internet online game servers using distributed scheme. To apply this method, we divide game server into three sub-level parts again. First part of game server is login server to establish the connection between communication server and clients. Second part is communication server to connect between clients and main game server during playing the game. And last part is DBMS that performs database independently. Our proposed scheme suggests that the game server operates very stable because of decreasing of processing load by distributed scheme. So, our proposed server configuration applies to similar online game easily.

• The Journal of the Korea Contents Association
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• v.20 no.5
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• pp.665-680
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• 2020

This study analyzed changes in Korean online-game market from RPG to MOBA and FPS/TPS genre, based on Azuma Hiroki's database consumption theory. After selecting the representative game for each genre: World of Warcraft, League of Legends, and Overwatch, we analyzed the games' story, characters, progress, and simulacre produced by game users. The results of this study confirmed that changes in popular genre in the domestic online-game market proceed from consumers' verging toward database consumption. We also found that Korean game users prefer smaller stories and characters based on database, and that consumers have produced more rigorous simulacre than those in other cultural areas and re-databased it for next consumption. This study is the first to analyze changes in the domestic online-game market and adds a contribution to the literature in terms of incorporating Azuma Hiroki's consumption theory into the domestic game market.

• Journal of information and communication convergence engineering
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• v.18 no.2
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• pp.82-87
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• 2020

This paper discusses how to design a game server that is scalable, adaptable, and re-buildable with components. Furthermore, it explains how various implementation issues were resolved. To support adaptability, the server comprises three layers: network, user, and database. To ensure independence between the layers, each layer was designed to communicate with each other only via message queues. In this architecture, each layer can have an arbitrary number of threads; thus, scalability is guaranteed for each layer. The network layer uses input/output completion ports(IOCP), which shows the best performance on the Windows platform, it can handle up to 5,000 simultaneous connections on a typical entry-level computer, despite being built with a single-threaded user layer. To completely separate the database from the game server, the SQL code was not directly embedded in the database layer.

• KIPS Transactions on Software and Data Engineering
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• v.11 no.1
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• pp.59-66
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• 2022

In this paper, by applying IoT technology to the Ultimate game, which is one of the games using Flyingdisc, the process of the game is traced based on the players and the flyingdisc, and a comprehensive relationship analysis between players is performed on the results of the game. A WiFi module with built-in GPS is attached in the players and flyingdisc. The player's ID, latitude/longitude values received from GPS and time are stored in the database in realtime during the game. Process informations of the game is also stored in the database at the same time using mobile Ultimate game App. Based on this informations after the game is over, we developed a system that can perform comprehensive analysis of the game contents. By using the informations stored in the database, the player-based game process and the flyingdisc-based scoring process are visualized in the virtual playground. Various game result informations for players are graphically analyzed using Python.

• Journal of Korea Game Society
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• v.15 no.2
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• pp.83-94
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• 2015

Methodology of server development is so important for the development of online game because the client where the users play the online game depends on the server. In this research, we have studied data linkage methods of the online game server which permits the server to save and retrieve the user data on the database. The data linkage method of the server is critical to make the users continue their games anywhere online. In this paper, several data linkage methods have been proposed and classified with their definitions. The proposed methods have been evaluated with the experimental data. It will contribute for the developer of online game server to choose a good data linkage method for the features of the game.

• Journal of the Korea Computer Industry Society
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• v.7 no.3
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• pp.237-244
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• 2006

The purpose of this study is to propose the online game server architecture which can expand as the number of users increases. In most online game servers, there is a server group composed of a login server, a cache server, a database server, a game server, and an NPC server, and when the number of users increases, an additional server group with the same structure is installed. The server architecture proposed in this study does not install a server group composed of a login server, a cache server, a database server, a game server, an NPC server, etc., but installs a game server only. When there is a need for the cache server and database server, the required servers will be additionally installed, thus reducing costs.

• Journal of the Korea Society of Computer and Information
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• v.20 no.9
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• pp.55-60
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• 2015

This paper introduces a program structure that minimizes the client's business logic by reducing the client's specifications as a way of minimizing the limitations of online game platforms. The objective of this thesis is to design an online game that is based on a 3-tier client/server structure, and thus using this 3-tier structure to ultimately create an online Sutda game that anyone can enjoy. The progression of newly released games is highly based on the mobile market and the number of online games being launched is decreasing. As the mobile game market grows, more and more multi-platform games are being developed and target platforms within online games are greatly diversifying. Through these situations, this thesis minimizes the client's business logic through a 3-tier structure of application-middleware-database, and also proposes an online game client/server that allows three or more users to participate simultaneously through the server.

• Digital Contents
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• no.12 s.139
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• pp.129-150
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• 2004

• Digital Contents
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• no.10 s.137
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• pp.129-148
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• 2004