Software-defined wide area network (SD-WAN) is a software approach to managing and controlling the underlying enterprise network technologies to optimize costs and application performance. SD-WAN delivers the flexible, scalable, high-performance, and intelligent networks that enterprises need to support their complex configurations, which include cloud, software-as-a-service (SaaS), work-from-anywhere, and multiple branch and data center locations. Managed SD-WAN includes the network overlay (the software portion) and the underlay, representing a mix of network technologies.
• The North American managed SD-WAN sector encompasses about 35 companies, with the top 4 making up about 55.1% of the overall connections.
• Although the SD-WAN sector started in 2014, it is still in the mid-growth stage, with many years of steady growth ahead before maturity.
• No longer considered the lower-cost alternative to—and cause of the demise of—enterprise multi-protocol label switching (MPLS) networks, SD-WAN is now recognized as the approach that is driving the network transformation needed to enable digital operations.
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