CERNET (China Education and Research Network) is managed in four levels, namely, national network center, regional network center and regional master node, provincial education and research network and campus network. The National Network Center is located in Tsinghua University and is responsible for the operation and management of the national backbone network. CERNET provincial nodes are distributed in 38 universities in 36 cities and all over the country.
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The overall goal of CERNET construction is to use advanced and practical computer technology and network communication technology to realize computer networking and information resource sharing between campuses, and connect with IN TERNET to establish a fully functional network management system. CERNET is an important platform for developing modern distance education in China.
In order to meet the requirements of the distance education project in the National Action Plan for Revitalizing Education Facing the 265438+20th Century, CERNET started to build its own high-speed backbone network from 1999. By the end of 2002, CERNET had built a 20,000-kilometer DWDM/SDH high-speed transmission network jointly invested by the state and local governments.
Covering nearly 200 cities in China, the total trunk capacity can reach 40Gbps；; On this basis, CERNET's high-speed backbone network was upgraded to 2.5Gbps, and 155M CERNET's medium and high-speed regional network connected 35 key cities in China. More than 1000 colleges and universities in China have connected to CERNET, and the campus networks of more than 1000 colleges and universities have connected to CERNET at the rate of 1000 Mbps.
Baidu Encyclopedia-China Education and Research Computer Network