The world of IT is vast and constantly evolving. These constant innovations require companies to adapt their working methods to the new tools made available to them while ensuring the security of their data on a daily basis.
Today, more and more companies are working remotely and using a "cloud" to store their data. At the same time, some of them are using a SD WAN (Software-Defined Wide Area Network) to carry out their business. This technology makes it possible to simplify the configuration and management of WAN (Wide Area Network) networks, i.e. networks that connect remote sites, in a more flexible and efficient way. What is SD-WAN technology? How does it work? What are its main advantages?
What is SD-WAN?
SD-WAN is based on the idea that traditional Wide Area Networks (WANs), which connect remote sites, are expensive and complex to manage. Its goal is simple: to simplify network management and reduce costs by outsourcing some of its functions.
By using virtualization technologies, SD-WAN provides better data traffic management and high-quality connectivity between different sites. It also uses advanced routing algorithms to select the best path for each data set, based on different criteria such as latency, available bandwidth, and quality of service.
SD-WAN also allows for centralized network management and simplifies the configuration of different devices. By using a single management interface, it is possible to configure and manage the entire network from a single location.
How does SD-WAN work?
SD-WAN technology can be managed remotely without the need for an on-site IT team. This type of virtualized network operates from three main components: the SD-WAN edge, the SD-WAN orchestrator, and the SD-WAN controller.
The edge is where all the network endpoints are located, such as the remote data center, the cloud platform or branch office. The orchestrator is a virtualized manager for the network, it applies the protocol and policy defined by the business or IT manager, and monitors the traffic. The controller, on the other hand, allows IT managers to visualize the network, centralizes management and defines the policies to be applied by the orchestrator. These three components form the basis of the structure of an SD-WAN.
The main advantages of SD-WAN
Using an SD-WAN can provide various benefits:
- It allows businesses to have full visibility and control of their network.
- Il facilitates work-from-home capabilities ensuring remote access to the company network and office security.
- By optimizing the paths taken, it improves user experience and application performance.
- It allows you to outsource the IT management of a company and focus on other aspects of the business.
- It helps save on IT resources and improve business productivity.
Conclusion
SD-WAN is particularly suitable for companies that need to connect remote sites reliably and efficiently. By using SD-WAN, companies can reduce maintenance costs and simplify the management of their network, while offering a better quality of service to their users.
