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Long Term Benefits

IT operations will save money by using more broadband and less private networking. The SD WAN will actively measure the data transfer volume possible on a list of links to ensure bandwidth for desired traffic, be it streaming video, voice, or static data. When broadband connections cannot handle the intended data rates, the SD WAN can divert traffic to a private link. In this manner, more and more links can rely on the less expensive broadband connections.


The Internet connections to a private WAN transfer data in the same manner as connections within the Internet. In this one aspect, private networks seem like extensions to Internet resources. However, when it comes to Cloud networking, where not only data, but all users’ applications completely rely on networking, an organization’s data center must partition user application resources per cloud virtual network. This is needed to ensure security and privacy between different users sharing the same WAN. One user’s apps cannot affect any other user’s apps, requiring complete logical separation by partitioning each user’s resources. The virtual networking of traditional IP and LAN technologies are quite limited in effecting such partitioning for very large numbers of simultaneous users. One of the solutions SD WANs provide solves this problem, which is basically an issue of automatic scaling.

Another benefit is that IT workers will spend much less time doing load balancing chores. The SD WAN includes technology to automatically respond to any sudden changes in network conditions, dynamically reconfiguring and allocating resources and links as bottlenecks in data traffic are encountered. The IT department may only need to review logs to ensure the software is responding correctly and in a timely fashion. This brings more flexibility to clouds