Telecoms embraces 400ZR optics for IP-over-DWDM
Thursday, October 15, 2020 at 7:45AM Verizon Media has trialled 400-gigabit coherent pluggable optics to improve the delivery of video content to subscribers.
Tomas Maj
Verizon Media added a 400ZR QSFP-DD module from Inphi to a switch already using 100-gigabit optics to upgrade its content delivery network.
Adding dense wavelength-division multiplexing (DWDM) optics to a switch enables it to send IP traffic (IP-over-DWDM) directly without needing a separate DWDM data centre interconnect box and additional client-side optics to link the two platforms (see diagram).
“Verizon Media, showing leadership outside the hyperscalers, is moving to IP-over-DWDM,” says Tomas Maj, senior director, marketing, optical interconnect at Inphi. “It shows the maturity of the ecosystem and the confidence of more and more operators in IP-over-DWDM and 400ZR.”
