New Campus Network Construction Project of a University – Project Background

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To accommodate the expanding student enrollment scale, a university launched the construction of a new campus in 2017. As civil engineering works of the new campus were gradually completed, the construction of the supporting campus network was scheduled. After open bidding, Company H was awarded the contract to build the campus network for the new campus.

Most campus networks adopt identical general network architectures, with differences only reflected in specific equipment models, equipment quantities, cloud deployment of servers and server capacity. The typical campus network architecture is described as follows:

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Access Layer supports two access types: Wi-Fi access and wired Ethernet access. Canteens, classrooms, dormitories, gymnasiums, natatoriums and other public areas adopt Wi-Fi as the primary access mode with wired Ethernet as backup. Laboratory buildings and labs take fiber and wired Ethernet as the main access methods; Wi-Fi is deployed as an auxiliary option or omitted entirely to avoid unnecessary signal interference in lab environments.
Aggregation Layer: Access switches are interconnected via ring topologies to cut down consumption of fiber cores.
Core Layer: Aggregation switches are deployed in a rectangular dual-ring topology to enhance network reliability.
IP PBX, various service servers and Wireless Access Controllers (ACs) are deployed at the core layer.

Company H adopted this standard architecture for the new campus network deployment.

The new campus is divided into three major functional zones: teaching zone, student living zone and faculty residential zone. The campus network shall provide full coverage for all functional buildings within the three zones.

Fiber routing is preliminarily designed based on the layout of buildings in each zone. The routing scheme shall meet the access demands of all campus buildings while minimizing the total fiber laying length.

Core layer equipment is deployed in the central equipment room of the Computer Science Department.
Aggregation layer equipment is placed in aggregation equipment rooms located in buildings at fiber convergence nodes.
Access layer equipment is installed in access cabinets inside all functional campus buildings.
Access Points (APs) are mounted at indoor and outdoor AP locations specified in the planning and design documents.

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By Lanbras

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