User profile
China Concord Medical University, the only key medical university in China with an 8-year clinical medicine major, its predecessor was "Peking Union Medical College", founded by the Rockefeller Foundation in 1917. Founded in 1956, the Chinese Academy of Medical Sciences is the only national medical science academic center and comprehensive scientific research institution in China.
Concord Medical University is under the dual leadership of the Ministry of Education and the Ministry of Health, and implements a unified management system with the Academy of Medical Sciences. The Academy of Medical Sciences provides strong faculty and technical strength to the Concord Medical University. , Complement each other's strengths, teaching and research together. The college has 18 research institutes (and 2 branches), 5 branches, 7 clinical hospitals, 4 colleges, and 1 graduate school and 1 department of laboratory animal science. The school has the largest establishment and the strongest strength in the country, with a complete range of research disciplines and significant comprehensive advantages. The school is run in a relatively broad scientific research and clinical medical environment. Its purpose is small-scale, high-level, high-quality, and implement a new medical education model that focuses on the cultivation of medical doctors.
Concord Medical University has a strong faculty and has a large number of well-known experts and professors with rich experience, high academic level and outstanding contributions in the field of medical health. There are currently 10 academicians of the Chinese Academy of Sciences and 11 academicians of the Chinese Academy of Engineering (Both academicians of the two academies), 55 young and middle-aged experts with outstanding contributions at the national and ministerial levels, 286 doctoral supervisors and 446 master supervisors. The school has 7 national key subject points, 17 college-level key subject points, 3 national key laboratories, 5 ministry-level key laboratories, 4 national drug production bases and research centers, 4 first-level The post-doctoral mobile station of the discipline, 9 World Health Organization cooperation centers. The school has achieved remarkable scientific research achievements. From 1956 to 1998, the colleges and universities passed 1,382 scientific and technological achievements appraisals, and won 177 national achievement awards, 584 ministerial committee achievement awards, and 732 college achievement awards.
Network requirements
The original campus network foundation of the Concord Medical University is weak. This network system construction involves the construction of the local area network of the headquarters of the Concord Medical University and the interconnection of the five units in the park. The campus backbone network is based on a 3-layer architecture. The network design must follow the principles of high reliability, economy, reasonable distribution of traffic, minimum transmission delay, and ease of management. Choose advanced, reliable, and network technology that meets future technology trends. The selection of newly purchased equipment should be open, conform to international standards, take into account the advanced nature and maturity, be compatible with existing equipment, and have good manageability. The network should have high reliability, including equipment reliability, link reliability, and routing redundancy. At the same time, it has the ability to support IPv6 protocol, multicast routing and other next-generation Internet technologies.
Key equipment
This campus network uses the Quidway S8016, S6506R, S5516, S3500 series, S3000 series and high-power WLAN AP products to form the Xiehe Medical University campus network.
Network construction plan and characteristics
Considering the information distribution and network application of the Concord network, this network construction uses a dual core to build the campus backbone layer. The core equipment uses Quidway S8016 core routing switch to provide high-speed Gigabit access for aggregation switches. At the same time, the two S8016s are interconnected through a Gigabit link, and the interconnection bandwidth is increased by binding technology, which improves the carrying capacity and security of the backbone layer of the Concord Medical University campus network. S8016 not only has strong exchange capabilities, but also has good service delivery capabilities. Through its powerful ACL execution capabilities and rich QoS strategies, S8016 ensures the normal development of network teaching and scientific research activities. Moreover, according to the network plan, S8016 can perfectly support IPv6 protocol through software upgrade when needed, so that the campus network of Xiehe Medical University can still meet the changes in demand brought by technology upgrade in the foreseeable future.
Concord Medical University adopts a flat network design idea, which ensures high-level data exchange between users and puts forward higher requirements for the equipment at the convergence layer. According to the actual networking requirements, Quidway S6506R is used as an aggregation device in important links of the network. S6506R not only has large-capacity Gigabit and 100-megabit network access capabilities, but also has the redundant configuration characteristics of all key components of core equipment. Through the redundant routing switching engine and the dual-link upstream, the S6506R provides a powerful guarantee for the stable and efficient operation of the Concorde campus network. For smaller units and regions, this network uses S5516 all-gigabit routing switches to provide a cost-effective networking. And through the flexible configuration of the photoelectric port, it can reduce the cost and provide expandable space for the future development of the network. At the same time, the S5516's QoS provision capability ensures the consistency of the service provision capabilities of the entire network's convergence layer equipment, so that the overall development of the network is balanced.
Concord Medical University network from scratch, will face many common network problems, such as hacker attacks, user IP / MAC address theft, broadcast storms, etc. In order to improve the reliability and stability of the overall network, this networking uses Quidway S3026E and S3050 as access devices, providing 24-port and 48-port 10 / 100M Ethernet access, respectively. These two devices have strong network adaptability, can effectively prevent the theft of IP / MAC addresses through 802.1x technology, control the use of Proxy on campus, can implement fine-grained management of bandwidth, effectively suppress broadcast storms, and provide L2- L7's flow classification function and rich QoS strategy. It can be said that the use of S3026E and S3050 ensures the end-to-end security and reliability of the Concorde campus network, and enables the network service resources to be provided throughout the entire network, and better serves the teachers and students of the Concorde.
Concord Medical University Campus Network Network Diagram
The characteristics of the Concord Medical University campus network are as follows:
Flat network structure: the core, convergence, and access three-layer network structure form the campus network of Union Medical University. The flat design reduces the intermediate links of network switching, reduces the delay of network data transmission, simplifies the routing switching model, and is a light and efficient campus network.
Redundant link design: a simple network does not mean an insecure network. Both the core equipment and the important aggregation equipment adopt a redundant design, which not only improves the reliability of a single unit, but also ensures the safety of the entire network through redundant links. Even if there is a problem, you can still ensure that the loss is controlled to a minimum.
High-performance network equipment: Whether it is the core, aggregation or access, it has been fully certified and considered in terms of forwarding performance and service provision capabilities, so that the entire network maintains consistent service quality and constitutes an end-to-end secure campus network.
Realization of business benefits
As the most prestigious medical school in China, Union Medical University has trained many experts and scholars to greatly promote the development of medicine in China. Now, the completion of the campus network will provide a good network platform for Xiehe Medical University so that it can better utilize the resources of the world to develop China's medical science in the information age, and escort the motherland's take-off.
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