Press Release Nokia and Viettel roll out high-capacity optical network after achieving 1.2Tb/s optics transmission speed record in Vietnam Viettel to deploy high-capacity optical network while ensuring more energy-efficient network operations Network to support growing demand for 5G and Data Center Interconnect, consumer data and crossborder connectivity. Nokia's solution is based on its sixth-generation super-coherent Photonic Service Engines (PSE-6s) and 1830 Photonic Service Switch (PSS) The initiative m ...