[c-nsp] Long range 10G ethernet?

Peter Rathlev peter at rathlev.dk
Thu May 17 06:14:06 EDT 2012


On Wed, 2012-05-16 at 11:46 +0100, Phil Mayers wrote:
> Out of curiosity, is this an immensely long leg, or is it just really 
> crappy?

A bit of both. :-) I think it's just short of 100 Km in total, but with
several patch cords/ODFs along the way. Some of these can be removed but
removing all would probably make too expensive compared to what we win
by running 10G.

> One possibility might be to use a transponder with G.709 capability, and 
> appropriate optics.
...
> You didn't say what specific complexity puts you off amps, but if it's 
> just "more kit" then this solution isn't really any better, and I doubt 
> much cheaper, than a pair of 9dB amps.

Hadn't thought of the G.709 angle. But since it still requires external
equipment (for a 6500) the amplification path is probably easier.

-- 
Peter




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