Software-defined infrastructure gives it organisations deploying complex hardware and applications the ability to automate the rapid provisioning of network resources.
Today, most WAN traffic, to and from the branch and remote sites, is destined for the cloud, either to SaaS services or applications hosted in an IaaS environment. The traditional WAN was architected for branch-to-data-centre traffic flows, not to efficiently support new cloud-driven traffic patterns, notes David Hughes, Founder and CEO, Silver Peak. “Starting in 2018, most enterprises will adopt a “cloud-first” SD-WAN architecture designed to efficiently and effectively support the ongoing evolution in their application mix,” Hughes asserts.
A software-defined WAN edge enables improved security architectures, says Hughes. “For years, enterprises have been hamstrung, forced to choose between backhauling all branch office traffic to one of several next-gen firewall-equipped hubs or deploying a firewall at every branch site.
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