[12404] in North American Network Operators' Group

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Re: ATM (was Re: too many routes)

daemon@ATHENA.MIT.EDU (Adrian Bool)
Mon Sep 15 09:37:51 1997

Date: Mon, 15 Sep 1997 14:28:49 +0100 (BST)
From: Adrian Bool <aid@u-net.net>
To: "Susan R. Harris" <srh@merit.edu>
Cc: nanog@merit.edu
In-Reply-To: <Pine.SUN.3.95.970915084334.14846C-100000@home.merit.edu>

On Mon 15 Sep, Susan R. Harris wrote:
> > Photons propagate at 0.65c in fibre - the exact speed does vary
> > depending on whether its single or multimode fibre.  
> 
> Hi Geoff - not to reveal my ignorance or anything, but ... is that 65
> degrees celcius? 

65% the speed of light in a vacuum ?

> > The equivalent EMR propagation speed in coppr is 0.75c
> 
> What is EMR?

Electo-Magnetic Radiation.  Electrons don't count as EMR do they though,
(hell they have a mass!)  so data in the form we transmit it down
copper won't move at this speed will it?

aid


-- 
Adrian J Bool			| mailto:aid@u-net.net
Network Operations		| http://www.u-net.net/
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