Verizon: Should a "Standard SDN" be Also Open?

A recent article by Carol Wilson, Editor-at-Large, Light Reading, quotes Chris Emmons [pictured]. Director, Network Planning, Corporate Network & Technology, Verizon from a presentation made at Light Reading Carrier SDN Networks - about "Having a standard version of SDN is "a prerequisite" to deployment because Verizon needs to be sure that whatever it deploys can interoperate not only with