Ensuring Reliable WiFi and Robust Security in Korean General Hospital
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General Hospital in Pyeongtaek
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Overview
In the newly built general hospital in Pyeongtaek, the introduction of a mobile
EMR system required an upgrade of the WiFi network for smooth operations.
Zyxel Networks’ comprehensive network solution, featuring the security
firewall, smart managed PoE switches, and wireless APs, all manageable via
the cloud, was selected. This enables both hospital staff and visitors to enjoy
uninterrupted WiFi connectivity throughout the premises and ensures
strengthened cybersecurity protection for both the hospital staff and guest
users.
Challenges
Throughout the hospital, network routers were installed, but managing them
became a headache. The hospital struggled to respond promptly to network
issues due to the complexity of handling multiple routers. The lack of
segregation between business and guest networks posed significant security
risks. Additionally, the limitation of around 250 IP addresses often led to WiFi
disconnections during peak visitor times, leading to the issue of frequent
interruptions while moving around the hospital.
The hospital relies on mobile EMR systems for various tasks such as patient
rounds and treatment. Therefore, it urgently needed a reliable network solution
to ensure the seamless operation of the mobile EMR system, maintain stable
WiFi connectivity, and strengthen network security.
Solutions
The hospital's new wireless network architecture features the USG FLEX 700
firewall at the forefront, connecting to GS1920-8HPv2 Smart Managed PoE
Switches. The switches power 28 WAX510D WiFi APs installed from the first to
the seventh floors, ensuring seamless wireless connectivity.
The WiFi Quality of Service (QoS) ensures optimal WiFi
speeds for different purposes. Moreover, segregating WiFi
into business and guest networks with adjusted speeds
ensures fair traffic distribution, particularly benefiting
patients and caregivers on the guest network. This allows
smooth streaming even with multiple users. Additionally,
visitors can easily access WiFi via a QR code, which
directs them to the hospital’s webpage for news and
announcements through an integrated advertising
function.
Given the hospital’s high visitor traffic, security remains
paramount. The USG FLEX 700 firewall offers various UTM
functions, including virus and malicious traffic blocking,
to ensure a secure network environment. Segregation of
business and guest networks into VLANs based on usage
purposes further strengthened network security.
The devices can be managed via the Nebula cloud
platform, which automatically configures equipment even
in complex network configurations. This platform enables
easy identification of equipment configuration, status,
fault location, and troubleshooting.
Results
Configuration of tablet PCs and medical equipment to
automatically connect to nearby access points via the
cloud controller ensures uninterrupted workflow for medical
staff, even while on the move. Patients and caregivers can
also enjoy uninterrupted streaming services as they move
around different areas of the hospital.
After the Nebula solution is implemented, the hospital’s IT
staff can remotely monitor equipment and network
status in real-time, promptly addressing issues through
email or smartphone app notifications in case of failures.
- Uninterrupted WiFi and high connectivity speed while moving around the hospital
- Strengthened network security by blocking harmful sites and separating the business networks from guest ones
- Easy-to-use network management that promptly fixes network issues
Products used
GS1920-8HPV2 Smart Managed PoE Switch
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