What is campus network

The campus network is a broadband multimedia network that provides teaching, scientific research and comprehensive information services to school teachers and students; it provides resource sharing, information exchange and collaboration within the scope of the school for school teaching, scientific research and management. Working computer network. The campus network is not an application product, but a network operating system, a technology platform like WINDOWS; many web application-level products can be developed and extended on the campus network platform.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

The campus network is a broadband multimedia network that provides teaching, scientific research and comprehensive information services to teachers and students of the school.

Campus network is a computer network within the school that provides resource sharing, information exchange and collaborative work for school teaching, scientific research, management and other education.

The campus network is not an application product, but a network operating system, a technology platform like WINDOWS. Many web application-level products can be developed and extended on the campus network platform. It is a new network operating system provided for individuals and small companies who do not have server resources but have strong information creation capabilities and need a large number of free network applications.

• First of all, the campus network should provide an advanced information-based teaching environment for school teaching and scientific research. This requires: the campus network is a broadband, interactive and professional local area network. Multimedia teaching software development platforms, multimedia demonstration classrooms, teacher lesson preparation systems, electronic reading rooms, and teaching and examination databases can all run on this network. If a school includes multiple professional disciplines (or multiple departments), multiple local area networks can also be formed and connected through wired or wireless methods.

• Secondly, the campus network should have academic, administrative and general affairs management functions.

Features

1. High-speed LAN connection - the core of the campus network is the network for teachers and students within the campus, so the campus LAN is The construction focus of this system, and network information contains a large amount of multimedia information, so large-capacity and high-speed data transmission is a basic requirement of the network;

2. Diversified information structure-campus network application analysis It consists of three parts: electronic teaching (multimedia classrooms, electronic libraries, etc.), office management, and remote communications (distance teaching, Internet access, FTP services, online games, etc.). The data types are complex, and different types of data have different quality requirements for network transmission;

3. Safe and reliable - there is also a large amount of important data about teaching and file management in the campus network, whether it is damaged, lost or If it is stolen, it will bring great losses;

4. Easy to operate and easy to manage - the campus network is large and the access is complex. Network maintenance must be convenient and fast, and the equipment network management must be strong to facilitate network failures. exclude.

5. Authentication and billing - schools must implement effective control and billing strategies for students' access to the Internet to ensure network utilization.

The campus network system is divided into core layer, aggregation layer and access layer from the structural level; from the functional point of view, it can be basically divided into campus network center, teaching subnet, office subnet, dormitory area subnet, Library subnet, etc. According to the number of campus network users and network applications, it can be divided into three types: large campus network, medium campus network, and small campus network. Based on the above characteristics of the campus network, we must fully consider the advancement, standardization and openness, reliability and availability, flexibility and compatibility, practicality and economy, security and confidentiality, and expansion of the network when designing the campus network. characteristics such as security and network flexibility, making full use of limited investment to build a cost-effective comprehensive network.

Construction Principles

• Advancedness: advanced design ideas, network structures, development tools, high market coverage, standardization and mature technology Software and hardware products;

• Practicality: When building a network, you should consider utilizing and protecting existing resources and giving full play to equipment benefits;

• Openness: Complying with international standards, system design should adopt open technology, open structure, open system construction and open user interface to facilitate network maintenance, expansion and upgrade and communication with external information;

• Flexibility: Using building block module combination and structured design, the system configuration is flexible, meeting the school's gradually put in place network construction principles, and making the network highly scalable;

• Reliability: It has fault-tolerant function and is easy to manage and maintain. Conduct unified planning and analysis of network design, selection, installation, debugging and other aspects;

• Strong cost performance: Don’t blindly pursue the latest, but also consider current actual needs and choose reasonable The equipment is matched to achieve a good performance-price ratio.

• Security: includes two aspects, 1. Network user-level security; 2. Data transmission-level security.

  Network user-level security should be considered in the network's operating system, while data transmission security must be addressed during network transmission.

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