#AT&T today jumped headfirst into the fast-growing software-defined Wide Area Network ( #SD-WAN ) market with a new offering it hopes to bring to market next year based on technology from SD-WAN startup #VeloCloud. SD-WAN is gaining steam thanks to its ability to bring software-defined networking (SDN) controls to the wide area network. SD-WANs allow customers to integrate multiple network connection types and let software intelligently route traffic based on application profiles and available network types. Gartner has estimated that SD-WAN can save customers significant costs compared to traditional WAN architectures too. IDC predicts SD-WAN will be a $6 billion market by 2020. #IBM
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