OIF Launches CEI-112G Projects, Forms Network Operator Working Group

The Optical Internetworking Forum (OIF) announced that it has begun work on long reach (LR) and medium reach (MR) CEI-112G, building upon two existing 100G serial electrical link projects. Forum members continue to support and approve the development of projects addressing CEI-112G as bandwidth needs increase. Dr. Chongjin Xie of Alibaba was invited to present to members at the quarterly meeting in Shanghai.…

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 The OIF’s 400ZR coherent interface starts to take shape

Roy Rubenstein, Gazzetabyte

The Optical Internetworking Forum’s (OIF) group tasked with developing two styles of 400-gigabit coherent interface is now concentrating its efforts on one of the two.

When first announced last November, the 400ZR project planned to define a dense wavelength-division multiplexing (DWDM) 400-gigabit interface and a single wavelength one. Now the work is concentrating on the DWDM interface, with the single-channel interface deemed secondary.…

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