Enterprises with more than one location have always needed some form of wide-area network (WAN). And now, enterprises of all sizes and shapes are becoming more and more distributed (even more locations). While this scenario has always been prevalent in specific industries, retail is one great example where it has quickly become the norm. At the same time, Software as a Service, Internet as a Service, Platform as a Service (SaaS, IaaS, PaaS), and various other forms of cloud services have become more widely adopted. This public cloud adoption often makes traditional solutions to corporate WANs, like managed, private, multiprotocol label switching (MPLS) networks, sub-optimal or even obsolete.

In addition to these fundamental shifts in the demands on WANs, the modern enterprise is more acutely aware of the need for security. It is more dependent than ever before on pervasive connectivity and network performance. This combination of trends has left IT managers scrambling for a secure method of reliably connecting their users, their data, and their applications. The software-defined wide area network (SD-WAN) has emerged to fill this growing need.

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Chris Grundemann

Creative BizTech & TechBiz Consultant

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