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The patchwork of appliances and network services comprising our wideareanetworks (WAN) have been with us for so long its easy to overlook their impact on IT. They represented a cross-section of the IT market with telecommunications, computers & electronics, and manufacturing being the most popular sectors.
According to Gartner that coined the term, SASE is the future of network security. SD-WAN Software-Defined WideAreaNetwork (SD-WAN) is a virtual WAN architecture offering optimized traffic routing over multiple different media (broadband, MPLS, 5G/LTE, etc.). A LAN is connected to the Internet via one or more ISPs.
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