[93119] in North American Network Operators' Group
Re: ICMP & PathMTU (was: Re: Extreme Slowness)
daemon@ATHENA.MIT.EDU (Randy Bush)
Thu Oct 26 23:12:43 2006
From: Randy Bush <randy@psg.com>
Date: Thu, 26 Oct 2006 17:06:55 -1000
To: Jim Popovitch <jimpop@yahoo.com>
Cc: nanog@merit.edu
Errors-To: owner-nanog@merit.edu
> 1) What value is ICMP if everybody pretty much considers it's accuracy
> suspect?
because for some uses, narrow precision is not needed. like is it
pingable? what is the current path?
my eyes are not highly accurate at measuring distance, color, size,
motion, ... accurately. but i'll keep them, thanks.
> 2) How does ICMP's suspect nature affect Path MTU?
pmtu is hosed for other sicker reasons
randy
---
on precision
guy is at mummy exhibit in british museum
asks guard how old mummy is
guard says 2007 years
guy asks how he knows 2007
guard replies that he's been here seven years and mummy was 2000
years old when he got here
