<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>FS has reasonable pricing on their amplification systems for DWDM.<br><br>The problem in the states is the dark fiber consolidation, so it's difficult to find someone that'll sell it to you. Those that do, charge astronomically for it.<br><br><div><span name="x"></span><br><br>-----<br>Mike Hammett<br>Intelligent Computing Solutions<br>http://www.ics-il.com<br><br>Midwest-IX<br>http://www.midwest-ix.com<span name="x"></span><br></div><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Tom Hill" <tom@ninjabadger.net><br><b>To: </b>nanog@nanog.org<br><b>Sent: </b>Sunday, November 25, 2018 3:56:01 PM<br><b>Subject: </b>Re: Cheap switch with a couple 100G<br><br>On 25/11/2018 21:43, Ben Cannon wrote:<br>> At this point, with 400g coherent in production never mind long-haul<br>> testing; why bother lighting with anything slower than 100g coherent,<br>> especially at essentially the same price. It just makes no sense.<br>> It got skipped. We’re better for it IMO.<br><br><br>To be fair, I did say that to begin with. ;)<br><br>Outside of the US, in our quaint little European countries, passive<br>muxing with direct detect does often make more sense financially Those<br>coherent hardware providers have some eye-watering price lists, and only<br>begin to make sense on spans >100km. Or if you actually need 400G<br>transport to make use of N*100G services.<br><br>-- <br>Tom<br></div><br></div></body></html>