"Over the past years, enterprises have been transitioning their on premises network infrastructure to the cloud and have embraced the use of cloud based applications. This evolution has created challenges for traditional WAN architecture, which is inadequate to support the new network demands. Traditional WAN lacks quick scalability and flexibility, and its high complexity results in high costs for connectivity. SD-WAN is a solution that addresses the challenges of modern network infrastructures. It offers an overlay architecture that provides centralized management tools, enabling organizations to build secure, scalable, and cost effective networks. This brings benefits such as improved quality of service for applications, increased network resiliency, centralized real time network monitoring, integrated security and enhanced network visibility. To maximize the benefits of SD-WAN, a well defined operating model is crucial. The SD WAN solution can gather valuable network performance information to identify areas for improvement, optimize network performance, and ensure that the organization can fully leverage its capabilities. This paper outlines an end to end process for implementing and operating an SD-WAN solution on a global scale. It provides a comprehensive overview of the key activities for enterprises through their journey towards a digital and cloud oriented WAN environment."
* Download the paper from Deloitte.
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