Glossary

Software-Defined Wide Area Network (SD-WAN)

Software-Defined Wide Area Network (SD-WAN) is a technology that enables the management and optimization of a wide area network (WAN) using software-defined networking (SDN) principles.

 SD-WAN separates the network control from the hardware, allowing organisations to centrally manage traffic across multiple locations more efficiently. It enhances performance, improves security, and reduces costs by routing traffic over various connections, such as MPLS, broadband, or 4G/5G, based on application needs and network conditions.

Key benefits of SD-WAN include:

  • Centralised management and control of network traffic
  • Dynamic path selection for optimal application performance
  • Improved security through encryption and segmentation

Implementing SD-WAN involves:

  • Deploying SD-WAN devices at branch locations and data centres
  • Configuring policies to manage traffic based on application requirements
  • Monitoring performance and adjusting routing as needed

SD-WAN provides flexibility, improved performance, and security for organisations with distributed networks, enhancing connectivity between branches, cloud services, and data centres.

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