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SDN and NFV Simplified: A Visual Guide to Understanding Software Defined Networks and Network Function Virtualization by Jim Doherty

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20. What’s Wrong With the Network We Have?

One of the most important shifts in networking technology has been the trend toward user-developed applications. Whether it’s a phone application, corporate financial tool, or web widget, we have arrived at a place where the user community is now a legitimate creative force and a significant driver of application development rather than being just passive consumers.

Users are now so accustomed to this that they are no longer willing to wait for, or completely rely on, the company or large suppliers and vendors to create the tools and applications they want to use, and have shown not only a willingness but also an expectation that they will go find (or even create) the tools they need. In some cases, ...

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