Software-Defined Wide Area Networking (SD-WAN) allows companies to build high-performance WANs using relatively low-cost and commercially available broadband Internet links. The AT&T SD-WAN – Over the Top (OTT) service makes the most of these links by providing customers with end-to-end application performance and availability. We use the network simply for the transport of traffic. By creating an overlay network on top of any public or private network and encrypting all application traffic with an IPSec tunnel, your connections to applications, services, and resources are highly secure.
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