If you’re involved in enterprise networking in any way, you’ve assuredly heard of SD-WAN (Software-Defined Wide Area Network). The term has been in use since at least 2014, which in IT years is a lifetime ago. Still, most of us have not yet actually deployed an enterprise-wide production SD-WAN solution. And many of us have doubts, questions, or blind spots when it comes to the evolution of the modern WAN, which is now well underway.

This post aims to help address your curiosity about SD-WAN and to describe how best to update and upgrade your own WAN network. We’ll start with a quick history of the traditional (fast-becoming “legacy”) enterprise WAN architecture and why change is needed. Then we’ll dive into a few of the technical SD-WAN use cases, as well as some of the ways that SD-WAN may be able to address your most pressing enterprise networking (and security) challenges. Finally, we’ll focus out a bit further, looking toward the horizon in an attempt to see what’s coming next for enterprise networking and cybersecurity in the WAN, branch, cloud, edge, and everywhere in-between.

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Chris Grundemann

Creative BizTech & TechBiz Consultant

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