Making the Choice of ​SD-WAN vs. MPLS vs. SDN:

There are SD-WAN providers that have taken the best of both worlds by combining the advantages of SD-WAN while overcoming the challenges of a vanilla SD-WAN solution. That means the predictability and performance like MPLS while also offering an integrated firewall-as-a-service that makes firewall services available to all locations. In this case, the entire WAN is connected to a single, logical firewall with an application-aware security policy that allows for a unified security policy and a holistic view of the entire WAN. The other challenges such as cloud and mobile are also resolved with SD-WAN-as-a-service offerings.

Read more: What are the Advantages of SDN

When comparing hybrid WAN to SD-WAN, the decision for most organizations comes down to whether they feel MPLS can be replaced. With the dramatic improvement of Internet performance, unless there are specific locations that have poor Internet connectivity, an enterprise should feel confident that an SD-WAN solution can meet the demands while also providing cost and agility advantages over MPLS or hybrid WAN. If a business has a scenario where they feel MPLS is a must, then a hybrid WAN solution can be employed.

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