Beyond cost savings of SD WAN
An SD-WAN offers a much more agile and affordable platform compared with traditional branch office network connectivity, as it avoids organisations having to make relatively costly capital expenditure (capex)-intensive purchases. All costs are now transformed to operational expenditure (opex).
With the addition of aggregation technologies, centralised management and application-aware routing, SD-WAN delivers flexible and scalable connectivity that can be significantly cheaper than a traditional WAN architecture. But there is much more to SD-WAN than just cheaper branch office connectivity, so IT buyers have a lot more to consider.
For instance, Brad Casemore, vice-president of research, datacentre networks at IDC, says: “As the digital transformation initiatives and cloud strategies of large enterprises mature and become increasingly sophisticated, SD-WAN offerings must be capable not only of scaling to accommodate large numbers of sites, but also of providing multi-tenant and segmentation capabilities that the world’s largest enterprise customers demand for control, manageability and consistent security across multi-cloud environments.”
In December 2019, a study from Cato Networks found that failing to fully consider digital transformation requirements can undermine firms’ long-term SD-WAN satisfaction. The fourth annual state of the WAN report, Networking in 2020: Understanding digital transformation’s impact on IT confidence in enterprise networks, said nearly three-quarters of respondents expressed significantly less confidence in their networks after digital transformation.
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