[EMAIL PROTECTED] wrote:<snip>
On Wed, Mar 03, 2004 at 04:42:39PM -0500, Joshua Gitlin wrote:If you read the fine print at this link, you may come to the realization that I have: It's not 10Gb, it's 400Gb. They're using DWDM (Dense Wavelength Division Multiplexing) - which from my fiber experience (many years ago) sounds like the big brother to multi-mode fiber. With the obvious differences being it works over distances previously only possible via single-mode fiber (i.e. only one beam of light down one tube of glass), and it's a heckuva' lot more transmission paths (beams of light down one tube of glass).
Just saw this in the News and Observer. [ http://newsobserver.com/business/story/3385140p-3011134c.html ]. Thought it might interest some people here. I'd love to learn more about it. I can't tell if it's IP based, or what. Sounds cool though!
Take a look at http://www.nationallambdarail.org/architecture.html
WDM and DWDM both use single mode fiber. The modes in MM fiber are there only because of the multiple injection angles of a single wavelength light source.
keith
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