Bear with my ignorance, I'm genuinely surprised at this: Does this have to be Ethernet? You could look into line gear with coherent > optics. >
Specifically, do you mean something like: "does this have to be IEEE-standardized all the way down to L1 optics?" Because you can transmit Ethernet frames over line gear with coherent optics, right ? Please don't flame me, I'm just ignorant and willing to learn. Cheers, Etienne On Fri, Sep 24, 2021 at 11:25 PM Bill Blackford <bblackf...@gmail.com> wrote: > Does this have to be Ethernet? You could look into line gear with coherent > optics. IIRC, they have built-in chromatic dispersion compensation, and > depending on the card, would include amplification. > > On Fri, Sep 24, 2021 at 1:40 PM Randy Carpenter <rcar...@network1.net> > wrote: > >> >> How is everyone accomplishing 100GbE at farther than 40km distances? >> >> Juniper is saying it can't be done with anything they offer, except for a >> single CFP-based line card that is EOL. >> >> There are QSFP "ZR" modules from third parties, but I am hesitant to try >> those without there being an equivalent official part. >> >> >> The application is an ISP upgrading from Nx10G, where one of their fiber >> paths is ~35km and the other is ~60km. >> >> >> >> thanks, >> -Randy >> > > > -- > Bill Blackford > > Logged into reality and abusing my sudo privileges..... > -- Ing. Etienne-Victor Depasquale Assistant Lecturer Department of Communications & Computer Engineering Faculty of Information & Communication Technology University of Malta Web. https://www.um.edu.mt/profile/etiennedepasquale