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The growth of information communication technology has seen advancements in diagnosis and treatment methods in hospitals. Prescriptions are handled electronically and medical records can be seamlessly shared across hospital departments, improving both diagnosis and treatment efficiency. As a top-ranked hospital in Shenzhen, China, Huazhong University of Science and Technology Union Shenzhen Hospital is dedicated to providing excellent care for patients. The hospital integrates the functions of medical service, medical prevention, teaching, and scientific research. Patients can be efficiently transferred between Union Shenzhen Hospital and affiliated hospitals and community healthcare hospitals depending on their health conditions. Test results can be quickly shared through the electronic medical system, and remote medical consultation is available for patients.
To improve the quality of medical care, Union Shenzhen Hospital is equipped with a full-coverage wireless network, digital signage systems, video backhaul in public areas, and data backhaul from medical devices. The networks are distributed in offices, diagnosis and treatment rooms, test rooms, conference rooms, and wards. If all the networks are independently employed, cabling and construction are challenging, and management and upgrade of IT networks are extremely complex. In addition, the traditional switching network is limited by the 100-meter transmission distance of network cables, so the networks of the outpatient department and inpatient department need to be converged layer by layer, occupying a large number of IT weak-current rooms and considerable cabling space. However, hospital space is limited, especially during an epidemic. Moreover, the equipment in weak-current rooms and air conditioners require a power supply, which further increases the overall running costs. Alterations to the hospital's network plan may be necessary once the hospital is put into use. For example, terminals or medical devices may need to be added to consultation rooms or offices, which complicates the re-cabling and reconstruction of traditional networks. Therefore, a future-oriented network is required.
The health industry is vital to society. Compared with other campus networks, hospital networks have the following characteristics:
• Medical personnel need a fast and low-latency network. Diagnosis and treatment information need to be accessed, and real time HD video quality needs to be guaranteed, especially during remote surgery.
• Wi-Fi in hospitals can provide entertainment for patients and visitors.
• The medical network is logically isolated from the guest network to ensure the security and reliability of the medical network.
• Traditional LANs use copper cables with a limited capacity, so regular maintenance and upgrade are required. New cabling needs to be installed by removing the ceiling or drilling extra holes, which can cause dust particles to enter the air and potentially damage the health of patients and medical personnel, or interfere with sensitive medical instruments.
In short, there is a clear urgency to deploy simple, green, reliable, and flexible networks in hospitals.
Regional Internet hospitals are the new mode of medical resource integration. Based on the digital work in hospitals, technical collaboration is strengthened and the integration mode is gradually adopted. Based on the interconnection of medical information, remote consultation and transferring patients between community and major hospitals are supported. Test results can be shared across different hospitals to improve the cross-hospital cooperation and communication. The new building of Union Shenzhen Hospital embodies the new "Internet+" healthcare concept.
Huawei Campus OptiX all-optical campus solution combines the advantages of the IP and passive optical LAN (POL) simplified architecture. The access layer network uses the passive two-layer architecture, which based on the point-to-multipoint networking mode, and can efficiently connect a large number of terminals. Optical fibers are used as transmission media, which is green and reliable. Union Shenzhen Hospital adopted Huawei's Campus OptiX solution to improve healthcare service efficiency with lower costs, greener network media, and more efficient network O&M.
Huawei Campus OptiX solution brings the following benefits to hospital networks:
Simplified architecture: The Huawei Campus OptiX solution adopts Passive Optical LAN (POL) point-to-multipoint network architecture, which is suitable for hospitals with dense access points.
• Featuring a simple and centralized architecture, the POL includes the optical line terminal (OLT) deployed in the equipment rooms and optical network units (ONUs) deployed in rooms. The POL architecture does not require the multi-layer distribution of traditional LAN networks. It manages the entire network, delivers and changes configurations, in addition to upgrading terminals from a single point. The network administrator only needs to perform operations on the OLT. The ONUs in rooms are maintenance free, improving overall O&M efficiency by 60%.
Secure and reliable: Optical fiber cabling achieves higher data security. In addition, the solution ensures high reliability for hardware and software.
• The hospital intranet, Internet, wireless network, and intelligent network are planned separately. Sub-layer networks are logically isolated from each other, preventing interference. Medical data sharing is preferentially ensured.
• The hospital networks offer multiple security features, such as advanced encryption standard (AES128), hard pipe QoS, security service segmentation, IEEE 802.1x authentication and authorization, and Layer 2 and Layer 3 access control, ensuring network security.
• To ensure hospital networks run as normal, multi-layer protection and redundancy configuration is implemented at the device, board, and port levels.
• Fibers outperform copper cables in ensuring data security and integrity, and are immune to electromagnetic interference that is common in radiology departments in hospitals.
Flexible evolution: The Huawei Campus OptiX solution optimizes the existing networks in terms of cabling mode and facilitates a highly flexible and scalable high-speed campus bearer network to implement "one cloud, one network" for the campus.
• Four-core fibers are deployed in each room to adapt to changes in function and access point, as well as meet future expansion requirements, such as medical terminals or IoT terminals.
• Reserved fibers in the new building's rooms can be used in multiple ONU installation scenarios, such as wall-mounted 86-type box, desktop, and ceiling-mounted installation.
• The solution can be used to continuously upgrade networks, meaning re-cabling is unnecessary. It uses single-mode optical fibers (SMFs), which can provide a capacity of up to Tbps in the future without replacing the cabling infrastructure.
Easy O&M: One optical network carries office computers, printers, video conference systems, wireless backhaul, voice systems, information release systems, and room information points. All services can be managed on one network, reducing O&M workload.
Not only will medical experts benefit from advanced applications such as remote diagnosis, treatment, and seamless medical record sharing, but patients will also benefit by enjoying superior care thanks to these technologies. All-optical networks are the only viable solution for carrying high-density, high-speed, and high-quality services. The Huawei Campus OptiX solution greatly improves the operation and maintenance efficiency of hospitals. Its simplified architecture, scalability, security and reliability make it suitable for hospital networks and will continue to grow in popularity as hospitals seek to implement advanced technology into the healthcare industry.