STOCKHOLM & NAPERVILLE, Ill.--(BUSINESS WIRE)--TeliaSonera International Carrier (TSIC) and Coriant, a global vendor of SDN-enabled end-to-end transport networking solutions, today announced the successful completion of a field trial demonstrating innovative flexi-rate technology that supports the dynamic and cost-efficient provisioning of optical transmission speeds up to 400G per channel based on application-specific bit rate, reach, and modulation requirements. “Staying ahead of the customer