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June 2017, Vol. 8, No. 5

Enterprises learn to lock down SD-WAN security

To paraphrase Sir Isaac Newton's third law, for every action there is a reaction. In the case of deploying software-defined WANs, his law applies directly to some security consequences. SD-WANs increasingly are becoming an option for enterprises that want to combat the expense of using Multiprotocol Label Switching, which offers high-quality service and a hefty price tag. Enterprises can implement SD-WANs and not sacrifice quality, but the technology can open organizations to the vulnerabilities found in any data exchange over the internet. As a result, companies have to focus on SD-WAN security to be sure they aren't creating unwanted or unintended vulnerabilities. The big advantage is that SD-WANs can save companies money on costly MPLS lines and help them add and manage bandwidth and applications more efficiently, according to Gartner analyst Andrew Lerner. Instead of sending out network managers to run firmware updates or fix problems, most routine setup and maintenance can be done remotely over a central console. The ...

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