Construction and assessment of an in-hospital thin client network system for Internet access

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  • シンクライアントシステムを用いた病院内インターネット閲覧システムの構築
  • シンクライアント システム オ モチイタ ビョウイン ナイ インターネット エツラン システム ノ コウチク

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An in-hospital thin client network system was constructed for access to the Internet, and its usefulness and advantages were assessed.<br>The thin client system comprised a server-based centralized computing system containing centralized computers on modular circuit cards （so-called blade PCs） placed in a secure server rack. The terminal units did not contain central processing units or storage devices and were equipped only with a graphic display and input mechanisms such as a keyboard and mouse. These units comprised a local area network with several types of servers and resources that were connected to the Internet service provider outside the hospital.<br>The thin client system offered many advantages including reduced cost, ease of maintenance and use, and security. The number of blade PCs and software required was only the number actually in use at one time, which was less than the number of terminal computers used in a standard decentralized system. Total cost of equipment acquisition was reduced due to centralization, consolidation, and standardization. Running costs were also reduced because of minimized power consumption and ease of maintenance. If one blade PC failed, the user could simply access another blade PC and log in again, and all of their files would still be accessible. This system also offered greater security over that of a decentralized system because all of the processing was controlled at a central location. All data could be maintained in the datacenter and easily saved to a mass storage device, so if the access device were stolen or destroyed, the data would not be compromised.<br>In summary, in terms of economy, security, and convenience, we found the thin client system to be a useful tool for in-hospital network system access to the Internet.

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