SD-WAN vs SDN

CDN or SD-WAN – Both Needed in a Cloud-First World

As the digital age continues to transform the way we work, live, and communicate with each other, the availability and performance of online services are vital. The ability to send, receive, and consume data is a critical utility many businesses and individuals rely on to participate and compete in the modern economy. SD-WANs and CDNs form a vital part of this infrastructure. While both provide the security, performance, and availability needed, the roles they play in the larger networking platform differ.

SD-WANs use centralized software to virtualize the control layer of a network, giving them the capability to leverage any combination of Internet connectivity, orchestrate network operations, and increase efficiencies with zero-touch provisioning. CDNs, on the other hand, deploy a globally distributed content caching service, increasing the page load speeds of websites and providing end-users with uninterrupted video and audio streaming services.

Know more: MPLS WAN

In addition to their technical differences, both technologies serve different end-user groups. SD-WANs increase the performance and availability of internal services that end-users access via the corporate Wide Area Network. CDNs perform a similar function but these are targeted towards public-facing sites and services customers access via the Internet. For organizations utilizing cloud-services, both platforms provide the performance, security, and reliability needed in today’s cloud-first, mobile world.

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