Open networking brings experts from across the industry together to focus on common problems, says Stuart Elby, SVP, Data Center Business Group at Infinera. This leads to faster time-to-market, more use cases, and more security, as more eyes can look out for vulnerabilities.
Disruptive innovations first occur through proprietary solutions but are later subsumed by the open source community. We are on the verge of seeing that for SDN and NFV.
Everything that can be virtualized will be virtualized. However, no one has figured out how to virtualize photons. This means there are still real optical layer with photons moving through ROADMs, transponders and amplifiers.
http://open.convergedigest.com/2015/06/everything-that-can-be-virtualized-will.html