Nokia and Telecom Italia (TIM) have demonstrated data transfer rates of 600Gbps over a 1,008km link on the telco’s live backbone network between Turin and Rome. The trial utilised Nokia PSE-V fifth-generation super coherent optics. Alberto Maria Langellotti, Head of IP, Transport & SDN Engineering at TIM Italy, said: ‘This live network field trial validates our plans to seamlessly scale network capacity everywhere over our existing long-haul network, using the latest generation of high performance coherent optics. With this trial, we demonstrate a record spectral efficiency over our advanced network to ensure the best dissemination of new digital services.’