While I have high hopes and dreams for SDXX an early concern is how the overlay of additional abstraction through software can be done while limiting exposure to new complexity. In other words, if I've implemented SDN do I need to be concerned that a failure of SDN (as a product) means a failure in my network? An example might be HP Openview. While OV gives you significant management options, and power over the environment, it will not impact system availability if its down.
no plus ones
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