[130003] in North American Network Operators' Group
Re: Routers in Data Centers
daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Sat Sep 25 15:16:02 2010
From: Joel Jaeggli <joelja@bogus.com>
To: Seth Mattinen <sethm@rollernet.us>
In-Reply-To: <4C9E1DC9.1010809@rollernet.us>
Date: Sat, 25 Sep 2010 12:16:33 -0700
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sep 25, 2010, at 9:05, Seth Mattinen <sethm@rollernet.us> wrote:
> On 9/24/10 5:28 PM, Alex Rubenstein wrote:
>>> While this question has many dimensions and there is no real
>>> definition of either I suspect that what many people mean when they
>>> talk about a DC routers is:
>>=20
>>> =46rom the datacenter operator prospective, it would be nice if some =
of these vendors would acknowledge the need for front-to-back cooling. I =
mean, it is 2010.
Bakplanes make direct front to back cooling hard. non-modular platforms =
can do it just fine however.
>>=20
>=20
> Well, if you look at the hardware it's dead obvious: airflow goes =
across
> the linecards. Nexus 7k 10-slot has front bottom to back top airflow
> because it uses vertically oriented cards.
>=20
> ~Seth
>=20