Global Digital Museum(2) Network Architecture

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A museum is a place Which has a huge amount of a culutural heritage. Museums in the world usually have a good quality of contents that are sculputure, ancient manuscripts, cultural photographs, historical goods and so on. Their locations are geographically dispersed to the world wide. If we need to study the history and its related research using museums in the world, we have to go to museums to see museum contents. In addition of that, it is difficult to find the specific contents exactly from museums. Therefore, before going to museums, we have to know what kind of the conents those museums have. If the museum contents is digitized, is stored into databases, can be searched and retrieve them via the network, it will be easy to get the high quality of valuable data on the desktop computer. On the other hand, the population of Internet users is rapidly increasing and the Internet is widely used for many areas. The main reason of the acceptance for the Internet was the development of the World Wide Web(WWW). The most wildely used application in the Internet is new the WWW. 0n the WWW client called the browser, you can navigate a large amount of the hyperlink data, and you can get information which consists of texts and images with the page layout in HTML(Hyperlink Text Markup Language). You can also search the database through the WWW. You only need to have a general WWW broswer to decode the HTML on the client side, and this is the major advantage of the WWW. You can also create contents with the homepage editor, put it to the server and show the results of your creative work to other people., Other reason for the Internet to be widely accepted is the low cost of the installation for netowork equipments. The Internet is the simple network protocol suite and there is the good reference implementation of the protocol suite, therefore it's easy to implement the networking software to the computer, and the Internet can be constructed by inexpensive routers that can transfer datagrams without a guaranteed of QoS(Quality of Services). There is a issue to be difficult to transfer the realtime data such as video and audio because of the lack of QoS, but it's not a major problem. There is only few functions to forward datagrams between network interfaces in the router, therefore the installation and the maintenance cost of network equipments is low. In following sections we describe the basic concept the GDM, technical advantages of the GDM and the networking architecture of the GDM. In the networking architecture, we describe that how to query data to distributed databases in dispersed servers, how to retrieve data from them with an efficient method and how to collaborate among users.
一般社団法人情報処理学会の論文
1996-09-04

Global Digital Museum(2) Network Architecture

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