Microwave is used for long haul wireless transmission for the ultra-latency 
crowd. Free space laser has more bandwidth, but is sensitive to fog and at 
least until the last few years much less range. I sell ULL routes to financial 
players. A 10 meg microwave circuit CME/Secaucus Equinix ranges from $185K per 
month to $20K a month.

________________________________
From: NANOG <[email protected]> on behalf 
of Joe Hamelin <[email protected]>
Sent: Saturday, June 20, 2020 10:19 PM
To: Alejandro Acosta <[email protected]>
Cc: NANOG list <[email protected]>
Subject: Re: 60 ms cross-continent

On Sat, Jun 20, 2020 at 12:56 PM Alejandro Acosta 
<[email protected]<mailto:[email protected]>> wrote:

Hello,

  Taking advantage of this thread may I ask something?. I have heard of 
"wireless fiber optic", something like an antenna with a laser pointing from 
one building to the other, having said this I can assume this link with have 
lower RTT than a laser thru a fiber optic made of glass?

See: Terrabeam from about the year 2000.

--
Joe Hamelin, W7COM, Tulalip, WA, +1 (360) 474-7474



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