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Server-based gaming, or SBG, is a solution employed by video lotteries and casinos to operate Video Lottery Terminals (VLTs) and Electronic Gaming Machines (EGMs), the latter commonly referred to as slot machines. An SBG system includes a central system and gaming terminals which connect to the central system. SBG systems may be operated locally over a LAN or span large geographical areas, even entire nations, over a WAN, such as the Internet. SBG systems differentiate themselves from other types of video lottery and casino systems by centralizing both game logic and Random number generation. Game terminals in an SBG system must per definition be authorized and connected to the central system in order to function, something that is not true for systems where all critical game components reside locally in the terminal. == History == SBG shares its roots with Server Supported Gaming (SSG). Both types of systems are examples of server centric gaming, which means that they share some similarities. Server centric gaming combines classic video poker and video lottery with features of a modern client-server computer network. Compared to traditional standalone slot machines, SBG and SSG systems facilitate automated remote game and configuration management for example. SBG further builds upon the server centric gaming concept with technology and design principles from thin client computing and online gaming, thus making it fundamentally different from SSG which employs thick client game terminals that have more in common with standalone terminals. The development of SBG has been driven by technological advancements and the benefits made possible thereof. "For example, a system described in U.S. Pat. No. 6,409,602 is known as a casino game system of this sort. This system comprises a server and a plurality of clients, and the server can execute a plurality of game programs. Each client can access the plurality of game programs that the server executes, and a game image created by the accessed game program is displayed on a display unit of the client. Thereafter, a player can play a game from the game program being executed by the server by performing the game operation to the client. A typical conventional casino game system comprises a plurality of independent game devices, and each game device independently executes a game program. According to the system described in U.S. Pat. No. 6,409,602, most of the functions that each game device in this typical conventional casino game system is equipped with can be centralized in the server. In this way, each client only needs to be equipped with minimum functions, i.e. user interfaces (display unit and operation accepting unit) and a communication function that enables communication with the server. This dramatically reduces the costs for both hardware and software in the entire casino game system." "CASINO GAME SYSTEM AND CASINO GAME TERMINAL THAT CAN BE USED THEREIN", United States Patent Application 20070213134, "Background of the Invention" section. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Server-based gaming」の詳細全文を読む スポンサード リンク
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