28. What If the Shoe Doesn’t Fit?

Throughout this book, you’ve now seen case after case of how virtualization, software-defined networking (SDN), and network functions virtualization (NFV) have transformed businesses and lives, and it’s all been rainbows and unicorns so far. The problem is that although these technologies do work for most organizations, they’re not a great fit (a least for the time being) for all companies. Such is the problem when a new technology comes along, especially one that works; there’s a lot of hype. As a result, some companies jump in when in fact they should not—and the result is usually not good. This chapter focuses on why these technologies are not right for everyone, at least right now.

But first, let’s look at ...

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