Whether for economic reasons, political reasons, and social reasons, every industry is working towards lowering overall energy consumption and carbon footprint. In the telecom industry, the increasing demand for bandwidth has made this a difficult goal. However, the modern networking industry can make a strong claim towards being a leader in the green movement.
Every time I read a trade article or go to an event, it’s always about some new breakthrough in telecoms technology or service delivery: NFV, SDN, 400G, SD-WAN, E-VPN, Alien Superchannels, CDC-F. The list goes on and on. You’d think consumers are more demanding than ever and that service providers are rapidly evolving their networks to keep up.
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.
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: