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Most people have heard of SD-WAN but don't know what it actually is. The software-defined wide-area network (SD-WAN or SDWAN) is an application of SDN technology applied to certain WAN connections such as broadband internet, 4G, LTE, or MPLS. SD-WAN connects enterprise networks over large geographic distances.
SD-WAN offers your business advantage over traditional MPLS networks. Let's take a look at some of those:
- Dramatically impact the entire enterprise networking ecosystem. Geographic boundaries are erased
- Visibility, scalability, performance, and control are enhanced.
- SD-WAN comes with no bandwidth penalties.
- Ability to cost-effectively mix and match network links according to content type or priority.
- High level of security.
- End-to-end encryption across the entire network, including the Internet.
- All devices and endpoints are completely authenticated.
Source: SD WAN Pros and Cons
