nanog mailing list archives

Re: Forward Erasure Correction (FEC) and network performance


From: Lamar Owen <lowen () pari edu>
Date: Fri, 10 Apr 2009 14:31:42 -0400

On Friday 10 April 2009 13:43:26 Matthew Kaufman wrote:
The bit error rate of copper is better than 1 error in 10^9 bits. The
bit error rate of fiber is better than 1 error in 10^12 bits. So the
packet loss rate of the transport media is approximately zero.*

This sounds pretty good, until you realize that it means you can expect 36 
errors in 10 hours on a 100% utilized gigabit fiber link.


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