QSFP112 400Gb/s Transceiver: Choosing Between VR4 and SR4 for 400G Links
The move toward 400Gb/s networking has changed the way data center optical links are planned. Higher bandwidth is essential, but bandwidth alone does not determine whether a transceiver is suitable for a particular connection. Cable distance, multimode fiber, connector configuration, routing conditions, and the future layout of the network all [...]