MOUNTAIN VIEW, Calif.--(BUSINESS WIRE)--ConteXtream Inc., a leading provider of carrier-grade network virtualization solutions, today announced they will be unveiling their SDN-enabled virtual EPC Gateway in an ETSI-compliant framework proof-of-concept (PoC) at this year’s NFV World Congress taking place May 5-8, 2015 in San Jose, Calif. (http://www.layer123.com/nfv) ConteXtream, who is a silver sponsor of the event, is contributing the SDN fabric for ETSI NFV ISG PoC #34. ConteXtream’s SDN con