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IDG

Software-defined WAN (SD-WAN) technology is sweeping across the industry, growing from an emerging technology in 2017 to become mainstream in 2018.

Research firm IDC predicts SD-WAN revenues will hit $2.3 billion in 2018, growing 69% on a compound annual growth rate to reach more than $8 billion by 2021. “2017 saw a lot of early adopters of SD-WAN that were limited to maybe two or three sites,” says IDC networking analyst Brad Casemore. “Now, rollouts are getting a lot bigger; we’re starting to see hockey-stick inflection point.”

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Why 2018 will be the year of the WAN