
Verizon Media, which operates a high-capacity content delivery network, validated a seamless upgrade from Inphi's 100GbE QSFP28 optics to its 400GbE QSFP-DD over the same production Open Line System. The demonstration consisted of adding a 400ZR from an Arista 400G switch into a 100GHz DWDM channel without affecting any of the existing 100GbE waves.Verizon Media's CDN needs connect super PoPs with low latency and high capacity DWDM interconnects....