Through this (probably far too long) series on SDNs, we have looked at BGP, Fibbing, and Openflow. BGP and Fibbing would be described as augmented control planes; the distributed control plane is not replaced, but rather augmented with a controller that modifies the best path decisions of the control plane by interacting with the control itself in a somewhat “native” way.
The Blog Series
This is the fifth in a series of blogs on the topic of the evolving enterprise WAN that is based on a survey that was completed in May 2016 by 110 network professionals. The previous blogs were: