MOUNTAIN VIEW, Calif.--(BUSINESS WIRE)--ConteXtream, a leading provider of carrier-grade network virtualization solutions, today announced that Orange Silicon Valley (OSV), a subsidiary of Orange, a leading telecommunications operator, has teamed up with ConteXtream in using and testing ConteXtream’s ContexNet carrier-grade SDN fabric. ContexNet is part of OSV’s NFV/SDN testbed for creating a solution that virtualizes Gi-LAN services and provides network interconnectivity and visibility with su