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A Beginner's Guide to SD-WAN

SD-WAN can transform your expensive and complex network into one that is much more cost-effective, secure and simpler to manage.

A Beginner’s Guide to SD-WAN
October 3, 2019 Mark London

SD-WAN changes the way you manage your network. In our Beginner’s Guide to SD-WAN, we’ll define SD-WAN, discuss the reasons you might want to deploy one, and explain the benefits you’ll experience by doing so.

What Is SD-WAN?

SD-WAN is a progressive approach to WAN that offers simplified management, improved application performance, greater resiliency and cost savings when compared to traditional approaches. It can replace or work with MPLS, and is delivered directly, via carriers, or via MSPs. A simple way to think about SD-WAN is it is an appliance-based solution that provides a simpler, smarter, more resilient WAN leveraging various types of connectivity.

Watch me to learn more about SD-WAN


As applications continue to migrate to the cloud, IT staff are quickly realizing that traditional WANs were never built for the cloud. What does this mean? The conventional router-centric model that backhauls traffic from the branch to headquarters, to the internet and back again, no longer makes sense.

SD-WAN Benefits for Enterprises:

  • Increase business productivity and user satisfaction
  • Enhance business agility and responsiveness
  • Improve security and reduce threats
  • Simplify branch WAN architecture
  • Reduce WAN costs by up to 90 percent

Benefits of SD-WAN

SD-WAN provides a number of benefits to businesses by enabling a fundamental shift from homogenous, discrete WAN connections and configuration to an architecture where heterogeneity and unified connections are established. With an SD-WAN, measurements are taken at various places in the network and over each of the available WAN links to determine which WAN path an application should use in order to provide the highest levels of availability and performance. For example, a business could introduce broadband as an additional means of connectivity in the remote office to add bandwidth capacity or to provide a faster path to the cloud or SaaS applications, and SD-WAN will automatically monitor these links and use them according to availability and performance.

Explore SD-WAN Benefits

Is SD-WAN Right for My Business?

Are you looking to…

  • Improve application performance, particularly for cloud apps?
  • Increase bandwidth at remote or international sites?
  • Replace an expensive private network?
  • Simplify or outsource the management of your network?
  • Build resiliency into your network to guarantee uptime?
  • Decrease turn-on time for new sites?

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