nanog mailing list archives

Re: ATM (was Re: too many routes)


From: Vadim Antonov <avg () pluris com>
Date: Thu, 11 Sep 1997 21:28:00 -0700

Quote from Jim Steinhardt's <jsteinha () cisco com>
personal message:

a) light is slower in dense media

  The index of refraction of glass is 1.5 vs 1.0 for
 a vacuum.  Hence, the speed of light in glass is 2 * 10 **8 m/s.

That gives 60 ms RTT on 4000 mile line.

Case closed.

Thanks, Jim!

--vadim


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