CWDM equipment (current favorites) (fwd)
deepak at ai.net
Fri Nov 3 22:26:05 UTC 2006
> As there's no specification for 2.5 gigabit ethernet (that I'm aware
> of), and SONET gear with pluggable optics is likely out of your
> league, I'm afraid that's a decision you'll have to make. :-)
> There are plenty affordable options available 1U for switches with
> 10GE uplink ports. I've had good luck with the Extreme Summit x450.
> If you're a bit more daring, Allied Telesyn recently announced a
> switch with a similar port density, though lacking in the useful
> "bunch of SFPs rather than 10/100/1000 ports" configuration.
> More and more, I'm finding it difficult to justify deploying n x GE
> port-channels across dark fiber, when 10GE is a lot easier to scale
> and troubleshoot...
Since we are clarifying...
Yes, 10G is a nice option when you can use reasonably priced optics
(<80km). CWDM (nx2.5 or nx1G) works happily up to 30+db of loss and
reduces complexity if you can avoid all the associated pieces of DWDM
you may need to address conditions in the long reach end of the range.
More information about the NANOG