CARNet Infrastructure
Basic activities of the Croatian Academic and Research Network - CARNet are network development, building and maintenance. CARNet network is a private network of the Croatian academic, scientific and research community and the primary and secondary school system institutions.
Network infrastructure is owned by the CARNet institution, but cables are rented from a number of telecommunication providers. CARNet network is an example of a WAN network which enables CARNet members throughout Croatia to be connected into a compact information and communication system.
CARNet network is a data network whose principal purpose is to transfer data through the TCP/IP protocol. The currently supported version of the TCP/IP protocol in the CARNet network as its integral part is version 4 (IPv4). The key characteristic of every private network is its connection to the global network - the Internet. The CARNet network established this connection through the GÉANT pan-European research network, with the current connection speed of 10 Gbit/s. The connection to other Internet service providers in Croatia has been implemented through the Croatian Internet Exchange Point – CIX.
In Croatia, the CARNet network connects the major Croatian towns and cities on the mainland and a number of settlements on the islands. The larger university centres (Dubrovnik, Osijek, Pula, Rijeka, Split, Zadar, Zagreb) have high speed connections (ranging from 155 Mbit/s to 1 Gbit/s), while smaller centres are connected at the speeds ranging from 2 Mbit/s to 100 Mbit/s. Zagreb has a particularly advanced infrastructure, connecting larger faculties and scientific institutions at the speeds of up to 10 Gbit/s. Thanks to the project "e-Split,", which CARNet has accomplished in cooperation with the City of Split, Split is the first city in which CARNet has its own optical network. Through that optical network 158 CARNet member institutions, in the city area, are connected to CARNet network.
More than 900 institutions from the primary and secondary school systems are also connected to the CARNet network via ADSL connections, and schools on Croatian islands have been connected to CARNet network in the framework of the e-Islands project.
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