Design goals of educational networks
The overall guiding ideology of the educational information network scheme design is: seeking truth from facts, overall planning, system integration; classified guidance, point and face; construction in stages, gradually expanding functions; focusing on application and improving efficiency.
The construction of the education information network must not only organically combine the internal parts of the system, but also connect with all aspects outside the system for comprehensive coordination, and gradually expand after the realization of the main functions. Can realize browsing (choose to collect educational information), file transfer (upload higher education administrative department, release the primary education unit), e-mail (exchange education and teaching information) and interactive multimedia teaching function of some units in the local area network; then realize data broadcasting , Online telephone and the construction of a complete education information database, later expanded to full-range two-way interactive modern distance education, video conferencing and other functions, so as to achieve the purpose of resource sharing and common development.
The overall implementation of the network
In mid-July, the content of the contract formally signed by the Dazu County Education Commission was to complete the interconnection between 100 schools and the central website with the broadcast and television network transmission company as the center, which mainly includes the comprehensive wiring project of 100 schools and the central education commission , Equipment provision and network debugging. From October 4th to 18th, the network system was fully tested.
In order to ensure that the entire metropolitan area network project is in place, and at the same time take into account the economic affordability of the Dazu County Education Commission, the contract amount of the Dazu "School School" project is more than 11.35 million yuan. The Dazu Education Commission will pay 6 times in 3 years.
The project includes the construction of a central website and 100 campus LANs. The 100 campus networks are connected to the central website through the optical fiber of the Dazu County Radio and Television Network Transmission Company to form an educational metropolitan area network. In addition, it also includes the construction of a teacher training center, satellite receiving system, and multimedia production system. At the same time, a 10M dedicated line was opened on the central website to provide Internet services, and a Web server, database server, mail server, DNS server, network management server, and video server were built on the central website.
Features of Metropolitan Area Network
Each school is equipped with a set of "school-school communication" management software of Zhejiang University Network, and the center of the Education Bureau is equipped with a set of metropolitan area network management software of Zhejiang University network. Zhejiang University's "School-to-School" metropolitan integrated information platform is composed of four parts: a metro office platform, an information publishing platform, a metro resource center and an e-government system. The campus comprehensive information platform is composed of a campus management platform, a teaching application platform, and information release The platform, campus resource center and e-government platform are composed of five parts.
It is worth mentioning that Zhejiang University Network Metro Integrated Information Platform provides comprehensive information support for education authorities. Among them, the first ZDSoft.net metro network software platform certified by the Ministry of Education can complete the collection, query, statistical analysis of basic education information, and provide data interfaces with the schools under its jurisdiction and higher education authorities. The education metropolitan area network or the Internet can directly receive, report, and distribute all kinds of information, and realize the automation of the transmission, processing, analysis, and query of education information. The ZDSoft.net website information release system (city version) is the window for the education authorities to exchange external information. It can quickly and easily allow the education authorities to construct a regional education information network as they wish, and realize the dynamic release of news, documents, announcements and other information. And the sharing of various educational information, but also provide a space for research, learning and communication for teachers and students. The Metropolitan Resource Center is a comprehensive and common resource database of the region, and an effective platform for education authorities and school users to search, use, develop, optimize, accumulate and manage resources. ZDSoft.net Education Statistics System (Metro Edition) is specially designed according to the data statistics requirements of the Ministry of Education, and provides any definition function of education reports to realize the reception, statistics, summary and higher-level data submission of lower-level data. There are 106 schools built with this structure, and a total of 670 information points.
After the construction of such a complete metropolitan area network system including complete network facilities, hardware and software is completed, the functions it can have can be summarized as follows:
1. The Dazu County Education Commission and each school have their own homepages that can be published on both the intranet and the public network.
2. The education committee and each school have established an advanced management information system. The entire network management between the school and the education committee has been implemented. The data can be reported in real time. A distributed and centralized application system has been implemented. Unified management of teacher and student information, online enrollment, and paperless office.
3. Provide 10M public network bandwidth, teachers and students can access the Internet at a high speed; provide more than 100GB of educational resources for local teachers and students to download at high speed; equipped with VOD on-demand system, can provide VOD services for school teachers and students on the metropolitan area network.
4. Each teacher has a large-capacity mailbox, which can share the internal network of the education system with the public network.
5. Can monitor the online behavior of teachers and students in real time, and can generate reports. It can effectively block pornographic, violent, and undesirable websites that the country explicitly prohibits access, thereby purifying and protecting the education metropolitan area network.
6. The advanced network management system can easily manage the huge education metropolitan area network.
After the project construction is completed, Dazu County has been in use for nearly a year, and all the functions of the original planning and design have reached the design requirements, and the entire network is running well and stable. Through the system, the education system has realized the receipt and distribution of electronic official documents, the inquiry of online teacher information, the VOD on-demand of high-quality classes and open classes, and the academic exchanges between teachers through e-mail.
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