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Delivery of Advanced Network Technology to Europe (DANTE) is a not-for-profit company that plans, builds and operates the consecutive generations of the backbone network that interconnects the national research and education networks (NRENs) in Europe. The organisation is based in Cambridge, United Kingdom and was formed in 1993 as a limited liability company owned by Réseaux Associés pour la Recherche Européenne (RARE). Ownership was transferred to a number of NRENs and government agencies in 1994. DANTE Ltd. currently operates the third generation of the GÉANT pan-European backbone network, and previously operated the earlier-generation EuropaNET, TEN-34, TEN-155, GÉANT and GÉANT2 networks. ==History== At a first European research networking workshop, held in Luxembourg in May 1985, the NRENs decided to create the RARE association as their joint European organisation. The first few years were dominated by the Co-operation for Open Systems Interconnection Networking in Europe (COSINE) project (1985-1993). RARE was tasked with he execution of the project and created a COSINE Project Management Unit (CPMU) within its secretariat to manage the various sub-projects. One of the sub-projects of COSINE aimed to create a backbone network interconnecting the national research networks of the participating countries. The first two generations of the European backbone were developed as part of COSINE: IXI (International X.25 Infrastructure Backbone Service) and EMPB (European Multi-Protocol Backbone). By 1991, consensus was growing that it would make sense to split off RARE's Operational Unit from the association. In May 1991 RARE created a task force to examine the possibility of creating a new entity to take responsibility for the provision of pan-European backbone services; the task force's proposals were accepted by the RARE membership in December 1991. After a comparison of alternatives it was decided to found the Operational Unit as a company limited by shares under English law with its headquarters in Cambridge. The company was incorporated on 30 March 1993 as Operational Unit Ltd. and changed its name to DANTE Ltd. on 2 July 1993. The organisation was launched at an event at St John's College, Cambridge on 6 July 1993. Initially all shares were owned by RARE, but on 25 March 1994 RARE transferred its shares to eleven NRENs and government agencies. On 20 October 1994 RARE changed its name to TERENA. The original eleven shareholders were Ariadnet (Greece), ARNES (Slovenia), INFN (Italy), DFN (Germany), FCCN (Portugal), HEFCE (United Kingdom), HUNGARNET (Hungary), NORDUnet (Nordic countries), RedIRIS (Spain), SURFnet (Netherlands) and SWITCH (Switzerland). Later INFN and RedIRIS transferred their shares to GARR and CSIC, respectively. Other NRENs were given the opportunity to buy shares later; this offer was taken up by RENATER (France) and CESNET (Czech Republic) in 1999, by HEAnet (Ireland) in 2000 and by RESTENA (Luxembourg) in 2002, bringing the total number of shareholders to fifteen.〔 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「DANTE」の詳細全文を読む スポンサード リンク
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