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VSG unveils inaugural SD-WAN leaderboard

AT&T came out on top in Vertical Systems Group's inaugural leaderboard for the managed software-defined WAN market with Verizon, Windstream and CenturyLink also ranking in the top five for 2018. VSG said telcoms with heavy backgrounds in MPLS, Ethernet and IP technologies are likely to led the sector in the transition to SDN.

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