In a sense, SDNs enable organizations to always have the exact level of meshing configured to optimize application performance - without the configuration headaches. The ability to orchestrate network changes with application requirements, combined with the automation capabilities of SDNs, makes it an ideal solution to for WAN management.
So for those looking to figure out what to do with SDNs, look past the data center and focus on the WAN, where many of today's network management challenges reside.
Source: Network World
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