100GbE beyond 40km

Fri Sep 24 21:22:13 UTC 2021

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 <rcarpen at 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.....
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