SD-WAN Buyer’s Guide Part 2: Exploring the Potential Functional Benefits

Joel Stradling – Research Director, Business Network and IT Services

Summary Bullets:

• Many enterprise IT departments find their current WAN solutions unwieldy when it comes to adding, or reducing, the number of connected sites. SD-WAN solutions should provide greater agility for turning up new branch sites.

• Service orchestration and a single-pane online tool for managing circuits and path-selection for critical apps also give greater functional agility.

SD-WAN services are becoming more widely available across the globe, with large global and smaller regional service providers increasingly including various SD-WAN options from within their portfolios examples include AT&T, Masergy, Colt, CenturyLink, Tata Communications, and NTT Communications. In parallel with such activity in the operator community, there are dozens of SD-WAN platform developers in the market, such as Nuage Networks (a Nokia company), Versa Networks, VeloCloud, and Viptela. The landscape makes it confusing to understand which type of SD-WAN supplier to work with, and thus businesses need to conduct conversations with several vendors from the categories above before making a choice. One theme remains constant: enterprise clients need to understand the network transformation path they intend to take in order to achieve a robust SD-WAN overlay. IT department heads can look at the functional positives that SD-WAN may bring and line these up with requirements.
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