Background on the application of SD-WAN in the medical field
　　
In the Internet+ era, all walks of life are trying to break the barriers of data occlusion and carry out data sharing and open informatization construction.

The medical and health field is no exception. New business formats such as hierarchical diagnosis and treatment, telemedicine and health management are promoting the orderly flow, rational utilization and safe sharing of data.

The national level also advocates the application of more flexible, convenient and secure network technologies, such as SD-WAN, in the medical field.

This article will introduce how SD-WAN can quickly build a medical private network based on the actual needs of a medical customer.

This case successfully provided customers with a reliable, secure and efficient private network, setting an example for the construction of private networks in the medical industry.

SD-WAN solution

The needs of a city center blood station and higher-level medical institutions have promoted the comprehensive informatization upgrade of medical data, as well as disaster recovery and backup requirements. Plan to fully migrate the business to the cloud.

SD-WAN (Software-Defined Wide Area Network) comprehensively utilizes multiple public or private links to build an overlay of a dedicated network based on the customer’s existing underlay network.

This enables ordinary links to reach the quality level of dedicated line networks, while reducing traffic costs and improving bandwidth utilization efficiency. In addition, SD-WAN equipment also provides link optimization, security protection, access control and other functions to meet customers’ security management needs.

After applying SD-WAN, the blood system data transmission network of the central blood station has brought many advantages:

1. Simplify network complexity: The central hospital and district hospitals can switch to dedicated Internet lines, and mobile blood donation vehicles only need to use ordinary IoT cards, simplifying the network structure.

New branches only need to plug in network cables or SIM cards, and after simple configuration, the SD-WAN orchestration control platform will automatically issue the configuration, establish a link between the branch and the headquarters, and realize a wide area network with secure interconnection, link optimization and collaborative protection. connect.

2. Cost savings: Abandoning the private network or dedicated APN for each node and directly using the ordinary Internet, eliminating most of the dedicated line costs.

3. Improve network security: SD-WAN builds an overlay network, protects data through ipsec encrypted tunnels, and is not open to the public network on the cloud and local servers, ensuring network security. In addition, SD-WAN equipment also has security functions such as virus protection and anti-DDoS attacks, which improves network security.

4. Improve overall reliability: The network is managed and scheduled uniformly, and local and cloud servers are active-active, improving overall reliability.

Outlook

Compared with traditional dedicated lines, SD-WAN technology is more flexible and cost-effective, and is also one of the most recognized SDN/NFV solutions on the market.

More and more medical institutions are considering upgrading traditional complex dedicated line network systems to SD-WAN network systems to speed up deployment, reduce operation and maintenance difficulties, and reduce overall costs.

Whether from a security, cost or performance perspective, SD-WAN provides customers with a better balance.

The above is an example of SD-WAN application in the medical industry. SD-WAN can also be used in many other industries.

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