Software-Defined WAN (SD-WAN)

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Software-Defined WAN (SD-WAN) is the second "software-defined" marketing attempt (after the original SDN) to dress a conglomerate of old technologies into shiny new clothes. Even Wikipedia article promotes some of the usual software-defined hype, quoting Network World claim that:

SD-WAN simplifies the management and operation of a WAN by decoupling the networking hardware from its control mechanism. This concept is similar to how software-defined networking implements virtualization technology to improve data center management and operation.

For an in-depth coverage of SD-WAN watch these webinars:

You might also want to start your journey with this series of myth-busting blog posts:

Does SD-WAN make sense? Sure:

Does it work as promised? Maybe not...

Is it secure? Some products seem to be nothing more than a bunch of open-source component glued together with clueless Python code:

Does it work within a public cloud? Yeah, sort of... with a few challenges:

Love marketing-related rants? Here are a few:

Finally, we also covered more esoteric technologies: