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Network Infrastructure Magazine | Friday, February 26, 2021
SD-WAN allows enterprises to use a dual-connectivity solution covering public and private network networks. IT teams can employ public services to unload specific traffic from their private network, consequently reserving the private network for applications that need its particular performance characteristics.
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FREMONT, CA: Now that the technology has been with everyone for some time, interest in and usage of the SD-WAN (software-defined wide-area networks) is on the rise. It is good to look at what pushes organizations to adopt SD-WAN and what sort of technologies organizations are ideally suited to.
SD-WAN covers the size, market, and vertical of consumers. SD-WAN is ideally tailored to businesses involved in collecting, reviewing, and operating on data to enhance market results – which, again, are almost all companies. Although practically every industry is a nominee for SD-WAN, the most comprehensive use cases fall into four categories:
Geographic Expansion
When a business adds to its existing footprints, like retail or branch locations, it must consider SD-WAN. This category also suits mergers and acquisitions. In this situation, the acquiring company may keep the existing services used at the acquired company's different locations but use the SD-WAN as an overlay to put them under the same organizational umbrella and add standard policies, security, and others.
Optimizing Existing WAN Capacity
SD-WAN allows enterprises to use a dual-connectivity solution covering public and private network networks. IT teams can employ public services to unload specific traffic from their private network, consequently reserving the private network for applications that need its particular performance characteristics.
Adding Resiliency to the WAN
In an active-active setup, SD-WAN allows for a virtual network environment containing multiple network links to the same location. In normal conditions, traffic should be balanced between networks, but traffic can refuse to transfer to the alternate service or services if one link goes down.
Cloud migration
SD-WAN is a good match for the company's 'cloudification' as businesses shift separate software to the cloud. With application-based routing support, SD-WAN helps each app to use the most suitable wide-area service, depending on the requirements.
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