What is SD-WAN?

What is SD-WAN?

A Software-defined Wide Area Network (SD-WAN) is a virtual WAN architecture that allows enterprises to leverage any combination of transport services – including MPLS, LTE and broadband internet services – to securely connect users to applications.

An SD-WAN uses a centralized control function to securely and intelligently direct traffic across the WAN. This increases application performance, resulting in enhanced user experience, increased business productivity and reduced costs for IT.

In this segment, we’ll define what is an SD-WAN. An SD-WAN is a more intelligent, cloud-first way to build a WAN that improves business productivity, end-user quality of experience, accelerates business initiatives and lowers costs.

Traditional WANs based on conventional routers are not cloud-friendly. They typically require backhauling all traffic – including that destined to the cloud – from branch offices to a hub or headquarters data center where advanced security inspection services can be applied. The delay caused by backhaul impairs application performance resulting in a poor user experience and lost productivity. Unlike the traditional router-centric WAN architecture, the SD-WAN model is designed to fully support applications hosted in on-premise data centers, public or private clouds and SaaS solutions such as Salesfore.com, Workday, Office365 and Dropbox, while delivering the highest levels of application performance.

What is SD-WAN? An SD-WAN securely connects users to any application, whether hosted in the data center or in the cloud across any WAN transport service including broadband internet services.

Here are some SD-WAN Stocks: