[103413] in North American Network Operators' Group
latency (was: RE: cooling door)
daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Sat Mar 29 20:33:51 2008
Date: Sun, 30 Mar 2008 01:20:16 +0100 (CET)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: nanog@merit.edu
In-Reply-To: <3197.1206828242@dticonsulting.com>
Errors-To: owner-nanog@merit.edu
On Sat, 29 Mar 2008, Frank Coluccio wrote:
> We often discuss the empowerment afforded by optical technology, but we've barely
> scratched the surface of its ability to effect meaningful architectural changes.
If you talk to the server people, they have an issue with this:
Latency.
I've talked to people who have collapsed layers in their LAN because they
can see performance degradation for each additional switch packets have to
pass in their NFS-mount. Yes, higher speeds means lower serialisation
delay, but there is still a lookup time involved and 10GE is
substantionally more expensive than GE.
--
Mikael Abrahamsson email: swmike@swm.pp.se
